Midmark® Dental Operatory Error Code Charts

WARNING

To prevent risk of shock always disconnect power before removing covers or performing any service procedure.

WARNING

Some procedures require power to be connected with covers removed. Line voltage is present. Use extreme caution to prevent electric shock.

Delivery System
  nnccssmx Component nnccssmx Component
Error Codes

15xxxxxx

Assistant Touchpad

21xxxxxx

Doctor Control

16xxxxxx

Doctor Touchpad

20xxxxxx

Doctor Interface
Chair
  nnccssmx Component nnccssmx Component
Error Codes

00xxxxxx

Base Motor Control

11xxxxxx

Connectivity Mode

01xxxxxx

Back Motor Control

19xxxxxx

Foot Control

07xxxxxx

Machine Control

 

 
Light
  nnccssmx Component
Error Code

1Axxxxxx

Light Control or Light Head
Doctor's Touch Pad Error Code Error Description Cause Action
1602410D Clock Fault Board malfunction Remove power for at least five seconds; plug back in and see if error clears.
Replace touch pad.
Doctor's Touch Pad Error Code Error Description Cause Action
1602420D Core Voltage Fault Loose wire connection Check all wire connections associated with this touch pad.
Remove power for at least five seconds; plug back in and see if error clears.
Board malfunction Ensure the proper voltage is being supplied to the microcontroller.
Replace touch pad.
Doctor's Touch Pad Error Code Error Description Cause Action
1603410D Microcontroller Temperature Out of Range Board malfunction Disconnect power to allow touch pad to cool.
Check touch pad components for overheating.
Doctor's Touch Pad Error Code Error Description Cause Action
1604410D Non-Volatile Memory Corrupt Last save to memory failed Remove power for at least five seconds; plug back in and see if error clears.
Replace touch pad.
Doctor's Touch Pad Error Code Error Description Cause Action
1604420D Non-Volatile Memory Save Error Saving to memory failed Remove power for at least five seconds; plug back in and see if error clears.
Replace touch pad.
Doctor's Touch Pad Error Code Error Description Cause Action
1604430D Non-Volatile Memory Recall Error Recalling information from memory failed Remove power for at least five seconds; plug back in and see if error clears.
Doctor's Touch Pad Error Code Error Description Cause Action
1604440D Non-Volatile Memory Erase Error Erasing information from memory failed Remove power for at least five seconds; plug back in and see if error clears.
Replace touch pad.
Doctor's Touch Pad Error Code Error Description Cause Action
16060119 CAN Bus Error One or more CAN bus errors were detected by the microcontroller CAN peripheral. Check operatory CAN connections.
Verify operatory CAN configuration has CAN properly terminated.
Remove power for at least five seconds; plug back in and see if error clears.
Doctor's Touch Pad Error Code Error Description Cause Action
16071518 Watchdog Expired Board malfunction If error continues, replace touch pad.
Doctor's Touch Pad Error Code Error Description Cause Action
160B2025 I2C EEPROM Master Arbitration Loss Bus contention If error continues, replace touch pad.
Doctor's Touch Pad Error Code Error Description Cause Action
160B1F25 I2C EEPROM Slave NACKed Address Board malfunction If error continues, replace touch pad.
Doctor's Touch Pad Error Code Error Description Cause Action
160B1E25 I2C EEPROM Slave NACKed TX Data Bus contention If error continues, replace touch pad.
Doctor's Touch Pad Error Code Error Description Cause Action
160B4125 I2C EEPROM Master Start/Stop Error Bus contention If error continues, replace touch pad.
Doctor's Touch Pad Error Code Error Description Cause Action
16054119 Back Down Button Active on Initialization User is pressing Back Down button during power up of Value Doctor's/Assistant's HMI board. User releases touch pad Back Down button.
If Back Down button is not being pressed on touch pad, then issue is with the Value Doctor's/Assistant's HMI board and/or its touch pad.

If Back Down button is not being pressed on touch pad and error continues, replace touch pad.
Doctor's Touch Pad Error Code Error Description Cause Action
16054219 Back Up Button Active on Initialization User is pressing Back Up button during power up of Value Doctor's/Assistant's HMI board. User releases touch pad Back Up button.
If Back Up button is not being pressed on touch pad, then issue is with the Value Doctor's/Assistant's HMI board and/or its touch pad. If Back Up button is not being pressed on touch pad and error continues, replace touch pad.
Doctor's Touch Pad Error Code Error Description Cause Action
16054319 Base Down Button Active on Initialization User is pressing base Down button during power up of Value Doctor's/Assistant's HMI board. User releases touch pad base Down button.
If base Down button is not being pressed on touch pad, then issue is with the Value Doctor's/Assistant's HMI board and/or its touch pad. If base Down button is not being pressed on touch pad and error continues, replace touch pad.
Doctor's Touch Pad Error Code Error Description Cause Action
16054419 Base Up Button Active on Initialization User is pressing base Up button during power up of Value Doctor's/Assistant's HMI board. User releases touch pad base Up button.
If base Up button is not being pressed on touch pad, then issue is with the Value Doctor's/Assistant's HMI board and/or its touch pad. If base Up button is not being pressed on touch pad and error continues, replace touch pad.
Doctor's Touch Pad Error Code Error Description Cause Action
16054519 Preset1 Button Active on Initialization User is pressing preset1 button during power up of Value Doctor's/Assistant's HMI board. User releases touch pad preset1 button.
If preset1 button is not being pressed on touch pad, then issue is with the Value Doctor's/Assistant's HMI board and/or its touch pad. If preset1 button is not being pressed on touch pad and error continues, replace touch pad.
Doctor's Touch Pad Error Code Error Description Cause Action
16054619 Preset2 Button Active on Initialization User is pressing preset2 button during power up of Value Doctor's/Assistant's HMI board. User releases touch pad preset2 button.
If preset2 button is not being pressed on touch pad, then issue is with the Value Doctor's/Assistant's HMI board and/or its touch pad. If preset2 button is not being pressed on touch pad and error continues, replace touch pad.
Doctor's Touch Pad Error Code Error Description Cause Action
16054719 Preset3 Button Active on Initialization User is pressing preset3 button during power up of Value Doctor's/Assistant's HMI board. User releases touch pad preset3 button.
If preset3 button is not being pressed on touch pad, then issue is with the Value Doctor's/Assistant's HMI board and/or its touch pad. If preset3 button is not being pressed on touch pad and error continues, replace touch pad.
Doctor's Touch Pad Error Code Error Description Cause Action
16054819 Home Preset Button Active on Initialization User is pressing Home preset button during power up of Value Doctor's/Assistant's HMI board. If Home preset button is not being pressed on touch pad and error continues, replace touch pad.
If Home preset button is not being pressed on touch pad, then issue is with the Value Doctor's/Assistant's HMI board and/or its touch pad. If Home preset button is not being pressed on touch pad and error continues, replace touch pad.
Doctor's Touch Pad Error Code Error Description Cause Action
16056019 Composite Button Active on Initialization User is pressing Composite button during power up of Value Doctor's/Assistant's HMI board. User releases touch pad Composite button.
If Composite button is not being pressed on touch pad, then issue is with the Value Doctor's/Assistant's HMI board and/or its touch pad. If Composite button is not being pressed on touch pad and error continues, replace touch pad.
Doctor's Touch Pad Error Code Error Description Cause Action
16054129 Back Down Button Stuck User has been pressing and holding the Back Down button longer than 30 seconds. User releases touch pad Back Down button.
If Back Down button is not being pressed on touch pad, then issue is with the Value Doctor's/Assistant's HMI board and/or its touch pad. If Back Down button is not being pressed on touch pad and error continues, replace touch pad.
Doctor's Touch Pad Error Code Error Description Cause Action
16054229 Back Up Button Stuck User has been pressing and holding the Back Up button longer than 30 seconds. User releases touch pad Back Up button.
If Back Up button is not being pressed on touch pad, then issue is with the Value Doctor's/Assistant's HMI board and/or its touch pad. If Back Up button is not being pressed on touch pad and error continues, replace touch pad.
Doctor's Touch Pad Error Code Error Description Cause Action
16054329 Base Down Button Stuck User has been pressing and holding the base Down button longer than 30 seconds. User releases touch pad base Down button.
If base down button is not being pressed on touch pad, then issue is with the Value Doctor's/Assistant's HMI board and/or its touch pad. If base down button is not being pressed on touch pad and error continues, replace touch pad.
Doctor's Touch Pad Error Code Error Description Cause Action
16054429 Base Up Button Stuck User has been pressing and holding the base Up button longer than 30 seconds. User releases touch pad base Up button.
If base Up button is not being pressed on touch pad, then issue is with the Value Doctor's/Assistant's HMI board and/or its touch pad. If base Up button is not being pressed on touch pad and error continues, replace touch pad.
Doctor's Touch Pad Error Code Error Description Cause Action
16054529 Preset1 Button Stuck User has been pressing and holding the preset1 button longer than 30 seconds. User releases touch pad preset1 button.
If preset1 button is not being pressed on touch pad, then issue is with the Value Doctor's/Assistant's HMI board and/or its touch pad. If preset1 button is not being pressed on touch pad and error continues, replace touch pad.
Doctor's Touch Pad Error Code Error Description Cause Action
16054629 Preset2 Button Stuck User has been pressing and holding the preset2 button longer than 30 seconds. User releases touch pad preset2 button.
If preset2 button is not being pressed on touch pad, then issue is with the Value Doctor's/Assistant's HMI board and/or its touch pad. If preset2 button is not being pressed on touch pad and error continues, replace touch pad.
Doctor's Touch Pad Error Code Error Description Cause Action
16054729 Preset3 Button Stuck User has been pressing and holding the preset3 button longer than 30 seconds. User releases touch pad preset3 button.
If preset3 button is not being pressed on touch pad, then issue is with the Value Doctor's/Assistant's HMI board and/or its touch pad. If preset3 button is not being pressed on touch pad and error continues, replace touch pad.
Doctor's Touch Pad Error Code Error Description Cause Action
16054829

Home Preset Button Stuck

 User has been pressing and holding the Home preset button longer than 30 seconds. User releases touch pad home preset button.
If Home preset button is not being pressed on touch pad, then issue is with the Value Doctor's/Assistant's HMI board and/or its touch pad. If home preset button is not being pressed on touch pad and error continues, replace touch pad.
Doctor's Touch Pad Error Code Error Description Cause Action
16056029 Composite Button Stuck User has been pressing and holding the composite button longer than 30 seconds. User releases touch pad composite button.
If composite button is not being pressed on touch pad, then issue is with the Value Doctor's/Assistant's HMI board and/or its touch pad. If composite button is not being pressed on touch pad and error continues, replace touch pad.
Doctor's Touch Pad Error Code Error Description Cause Action
160F0215 Contract Manufacturer UART Initialization Board malfunction If error continues, replace touch pad.
Doctor's Touch Pad Error Code Error Description Cause Action

160F4115

 Contract Manufacturer UART RX Framing Error Board or cabling/connector malfunction Check cabling between touch pad and Contract Manufacturer.
Doctor's Touch Pad Error Code Error Description Cause Action

160F4215

 Contract Manufacturer UART RX Parity Error Board or cabling/connector malfunction Check cabling between touch pad and Contract Manufacturer.
Doctor's Touch Pad Error Code Error Description Cause Action

160F4315

 Contract Manufacturer UART RX Noise Board or cabling/connector malfunction Check cabling between touch pad and Contract Manufacturer.
Doctor's Touch Pad Error Code Error Description Cause Action

160F4415

 Contract Manufacturer UART RX Overrun Board malfunction If error continues, replace touch pad.
Assistant's Touch Pad Error Code Error Description Cause Action
1502410D Clock Fault Board malfunction Remove power for at least five seconds; plug back in and see if error clears.
Replace touch pad.
Assistant's Touch Pad Error Code Error Description Cause Action
1502420D Core Voltage Fault Loose wire connection Check all wire connections associated with this touch pad.
Remove power for at least five seconds; plug back in and see if error clears.
Board malfunction Ensure the proper voltage is being supplied to the microcontroller.
Replace touch pad.
Assistant's Touch Pad Error Code Error Description Cause Action
1503410D Microcontroller Temperature Out of Range Board malfunction Disconnect power to allow touch pad to cool.
Check touch pad components for overheating.
Assistant's Touch Pad Error Code Error Description Cause Action
1504410D Non-Volatile Memory Corrupt Last save to memory failed Remove power for at least five seconds; plug back in and see if error clears.
Replace touch pad.
Assistant's Touch Pad Error Code Error Description Cause Action
1504420D Non-Volatile Memory Save Error Saving to memory failed Remove power for at least five seconds; plug back in and see if error clears.
Replace touch pad.
Assistant's Touch Pad Error Code Error Description Cause Action
1504430D Non-Volatile Memory Recall Error Recalling information from memory failed Remove power for at least five seconds; plug back in and see if error clears.
Assistant's Touch Pad Error Code Error Description Cause Action
1504440D Non-Volatile Memory Erase Error Erasing information from memory failed Remove power for at least five seconds; plug back in and see if error clears.
Replace touch pad.
Assistant's Touch Pad Error Code Error Description Cause Action
15060119 CAN Bus Error One or more CAN bus errors were detected by the microcontroller CAN peripheral. Check operatory CAN connections.
Verify operatory CAN configuration has CAN properly terminated.
Remove power for at least five seconds; plug back in and see if error clears.
Assistant's Touch Pad Error Code Error Description Cause Action
15071518 Watchdog Expired Board malfunction If error continues, replace touch pad.
Assistant's Touch Pad Error Code Error Description Cause Action
150B2025 I2C EEPROM Master Arbitration Loss Bus contention If error continues, replace touch pad.
Assistant's Touch Pad Error Code Error Description Cause Action
150B1F25 I2C EEPROM Slave NACKed Address Board malfunction If error continues, replace touch pad.
Assistant's Touch Pad Error Code Error Description Cause Action
150B1E25 I2C EEPROM Slave NACKed TX Data Bus contention If error continues, replace touch pad.
Assistant's Touch Pad Error Code Error Description Cause Action
150B4125 I2C EEPROM Master Start/Stop Error Bus contention If error continues, replace touch pad.
Assistant's Touch Pad Error Code Error Description Cause Action
15054119 Back Down Button Active on Initialization User is pressing Back Down button during power up of Value Doctor's/Assistant's HMI board. User releases touch pad Back Down button.
If Back Down button is not being pressed on touch pad, then issue is with the Value Doctor's/Assistant's HMI board and/or its touch pad.

If Back Down button is not being pressed on touch pad and error continues, replace touch pad.
Assistant's Touch Pad Error Code Error Description Cause Action
15054219 Back Up Button Active on Initialization User is pressing Back Up button during power up of Value Doctor's/Assistant's HMI board. User releases touch pad Back Up button.
If Back Up button is not being pressed on touch pad, then issue is with the Value Doctor's/Assistant's HMI board and/or its touch pad. If Back Up button is not being pressed on touch pad and error continues, replace touch pad.
Assistant's Touch Pad Error Code Error Description Cause Action
15054319 Base Down Button Active on Initialization User is pressing base Down button during power up of Value Doctor's/Assistant's HMI board. User releases touch pad base Down button.
If base Down button is not being pressed on touch pad, then issue is with the Value Doctor's/Assistant's HMI board and/or its touch pad. If base Down button is not being pressed on touch pad and error continues, replace touch pad.
Assistant's Touch Pad Error Code Error Description Cause Action
15054419 Base Up Button Active on Initialization User is pressing base Up button during power up of Value Doctor's/Assistant's HMI board. User releases touch pad base Up button.
If base Up button is not being pressed on touch pad, then issue is with the Value Doctor's/Assistant's HMI board and/or its touch pad. If base Up button is not being pressed on touch pad and error continues, replace touch pad.
Assistant's Touch Pad Error Code Error Description Cause Action
15054519 Preset1 Button Active on Initialization User is pressing preset1 button during power up of Value Doctor's/Assistant's HMI board. User releases touch pad preset1 button.
If preset1 button is not being pressed on touch pad, then issue is with the Value Doctor's/Assistant's HMI board and/or its touch pad. If preset1 button is not being pressed on touch pad and error continues, replace touch pad.
Assistant's Touch Pad Error Code Error Description Cause Action
15054619 Preset2 Button Active on Initialization User is pressing preset2 button during power up of Value Doctor's/Assistant's HMI board. User releases touch pad preset2 button.
If preset2 button is not being pressed on touch pad, then issue is with the Value Doctor's/Assistant's HMI board and/or its touch pad. If preset2 button is not being pressed on touch pad and error continues, replace touch pad.
Assistant's Touch Pad Error Code Error Description Cause Action
15054719 Preset3 Button Active on Initialization User is pressing preset3 button during power up of Value Doctor's/Assistant's HMI board. User releases touch pad preset3 button.
If preset3 button is not being pressed on touch pad, then issue is with the Value Doctor's/Assistant's HMI board and/or its touch pad. If preset3 button is not being pressed on touch pad and error continues, replace touch pad.
Assistant's Touch Pad Error Code Error Description Cause Action
15054819 Home Preset Button Active on Initialization User is pressing Home preset button during power up of Value Doctor's/Assistant's HMI board. If Home preset button is not being pressed on touch pad and error continues, replace touch pad.
If Home preset button is not being pressed on touch pad, then issue is with the Value Doctor's/Assistant's HMI board and/or its touch pad. If Home preset button is not being pressed on touch pad and error continues, replace touch pad.
Assistant's Touch Pad Error Code Error Description Cause Action
15056019 Composite Button Active on Initialization User is pressing Composite button during power up of Value Doctor's/Assistant's HMI board. User releases touch pad Composite button.
If Composite button is not being pressed on touch pad, then issue is with the Value Doctor's/Assistant's HMI board and/or its touch pad. If Composite button is not being pressed on touch pad and error continues, replace touch pad.
Assistant's Touch Pad Error Code Error Description Cause Action
15054129 Back Down Button Stuck User has been pressing and holding the Back Down button longer than 30 seconds. User releases touch pad Back Down button.
If Back Down button is not being pressed on touch pad, then issue is with the Value Doctor's/Assistant's HMI board and/or its touch pad. If Back Down button is not being pressed on touch pad and error continues, replace touch pad.
Assistant's Touch Pad Error Code Error Description Cause Action
15054229 Back Up Button Stuck User has been pressing and holding the Back Up button longer than 30 seconds. User releases touch pad Back Up button.
If Back Up button is not being pressed on touch pad, then issue is with the Value Doctor's/Assistant's HMI board and/or its touch pad. If Back Up button is not being pressed on touch pad and error continues, replace touch pad.
Assistant's Touch Pad Error Code Error Description Cause Action
15054329 Base Down Button Stuck User has been pressing and holding the base Down button longer than 30 seconds. User releases touch pad base Down button.
If base down button is not being pressed on touch pad, then issue is with the Value Doctor's/Assistant's HMI board and/or its touch pad. If base down button is not being pressed on touch pad and error continues, replace touch pad.
Assistant's Touch Pad Error Code Error Description Cause Action
15054429 Base Up Button Stuck User has been pressing and holding the base Up button longer than 30 seconds. User releases touch pad base Up button.
If base Up button is not being pressed on touch pad, then issue is with the Value Doctor's/Assistant's HMI board and/or its touch pad. If base Up button is not being pressed on touch pad and error continues, replace touch pad.
Assistant's Touch Pad Error Code Error Description Cause Action
15054529 Preset1 Button Stuck User has been pressing and holding the preset1 button longer than 30 seconds. User releases touch pad preset1 button.
If preset1 button is not being pressed on touch pad, then issue is with the Value Doctor's/Assistant's HMI board and/or its touch pad. If preset1 button is not being pressed on touch pad and error continues, replace touch pad.
Assistant's Touch Pad Error Code Error Description Cause Action
15054629 Preset2 Button Stuck User has been pressing and holding the preset2 button longer than 30 seconds. User releases touch pad preset2 button.
If preset2 button is not being pressed on touch pad, then issue is with the Value Doctor's/Assistant's HMI board and/or its touch pad. If preset2 button is not being pressed on touch pad and error continues, replace touch pad.
Assistant's Touch Pad Error Code Error Description Cause Action
15054729 Preset3 Button Stuck User has been pressing and holding the preset3 button longer than 30 seconds. User releases touch pad preset3 button.
If preset3 button is not being pressed on touch pad, then issue is with the Value Doctor's/Assistant's HMI board and/or its touch pad. If preset3 button is not being pressed on touch pad and error continues, replace touch pad.
Assistant's Touch Pad Error Code Error Description Cause Action
15054829

Home Preset Button Stuck

 User has been pressing and holding the Home preset button longer than 30 seconds. User releases touch pad home preset button.
If Home preset button is not being pressed on touch pad, then issue is with the Value Doctor's/Assistant's HMI board and/or its touch pad. If home preset button is not being pressed on touch pad and error continues, replace touch pad.
Assistant's Touch Pad Error Code Error Description Cause Action
15056029 Composite Button Stuck User has been pressing and holding the Composite button longer than 30 seconds. User releases touch pad Composite button.
If Composite button is not being pressed on touch pad, then issue is with the Value Doctor's/Assistant's HMI board and/or its touch pad. If Composite button is not being pressed on touch pad and error continues, replace touch pad.
Assistant's Touch Pad Error Code Error Description Cause Action
150F0215 Contract Manufacturer UART Initialization Board malfunction If error continues, replace touch pad.
Assistant's Touch Pad Error Code Error Description Cause Action
150F4115 Contract Manufacturer UART RX Framing Error Board or cabling/connector malfunction Check cabling between touch pad and Contract Manufacturer.
Assistant's Touch Pad Error Code Error Description Cause Action
150F4215 Contract Manufacturer UART RX Parity Error Board or cabling/connector malfunction Check cabling between touch pad and Contract Manufacturer.
Assistant's Touch Pad Error Code Error Description Cause Action
150F4315 Contract Manufacturer UART RX Noise Board or cabling/connector malfunction Check cabling between touch pad and Contract Manufacturer.
Assistant's Touch Pad Error Code Error Description Cause Action
150F4415 Contract Manufacturer UART RX Overrun Board malfunction If error continues, replace touch pad.
Delivery System Error Code Error Description Cause Action
2002410D Clock Fault Board malfunction. Remove power for at least five seconds; plug back in and see if error clears.
Replace touch pad.
Delivery System Error Code Error Description Cause Action
2002420D Core Voltage Fault Loose wire connection. Check all wire connections associated with this touch pad.
Remove power for at least five seconds; plug back in and see if error clears.
Board malfunction Ensure the proper voltage is being supplied to the microcontroller.
Replace touch pad.
Delivery System Error Code Error Description Cause Action
2003410D Microcontroller Temperature Out of Range Board malfunction. Disconnect power to allow Value board to cool.
Check Value board components for overheating.
Delivery System Error Code Error Description Cause Action
2004410D Non-Volatile Memory Corrupt Last save to memory failed. Remove power for at least five seconds; plug back in and see if error clears.
Replace Value board.
Delivery System Error Code Error Description Cause Action
2004420D Non-Volatile Memory Save Error Saving to memory failed. Remove power for at least five seconds; plug back in and see if error clears.
Replace Value board.
Delivery System Error Code Error Description Cause Action
2004430D Non-Volatile Memory Recall Error Recalling information from memory failed. Remove power for at least five seconds; plug back in and see if error clears.
Replace Value board.
Delivery System Error Code Error Description Cause Action
2004440D Non-Volatile Memory Erase Error Erasing information from memory failed. Remove power for at least five seconds; plug back in and see if error clears.
Replace Value board.
Delivery System Error Code Error Description Cause Action
20060119 CAN Bus Error One or more CAN bus errors were detected by the microcontroller CAN peripheral. Check operatory CAN connections.
Verify operatory CAN configuration has CAN properly terminated.
Remove power for at least five seconds; plug back in and see if error clears.
Delivery System Error Code Error Description Cause Action
20071528 Watchdog Expired Board malfunction. If error continues, replace Value board.
Delivery System Error Code Error Description Cause Action
200B1524 Control EEPROM: I2C Pin Low Timeout Communication failure with the Control EEPROM. If error continues, replace Value board.
Delivery System Error Code Error Description Cause Action
200B4124 Control EEPROM: I2C FIFO Error Communication failure with the Control EEPROM. If error continues, replace Value board.
Delivery System Error Code Error Description Cause Action
200B2024 Control EEPROM: I2C Arbitration Lost Communication failure with the Control EEPROM. If error continues, replace Value board.
Delivery System Error Code Error Description Cause Action
200B1E24 Control EEPROM: I2C NACK Error Communication failure with the Control EEPROM. If error continues, replace Value board.
Delivery System Error Code Error Description Cause Action
200B0C24 Control EEPROM: I2C Retry Count Exceeded Communication failure with the Control EEPROM. If error continues, replace Value board.
Delivery System Error Code Error Description Cause Action
200B1424 Control EEPROM: I2C Bus Busy Communication failure with the Control EEPROM. If error continues, replace Value board.
Delivery System Error Code Error Description Cause Action
200B1554 Interface EEPROM: I2C Pin Low Timeout Communication failure with the Interface EEPROM. If error continues, replace Value board.
Delivery System Error Code Error Description Cause Action
200B4154 Interface EEPROM: I2C FIFO Error Communication failure with the Interface EEPROM. If error continues, replace Value board.
Delivery System Error Code Error Description Cause Action
200B2054 Interface EEPROM: I2C Arbitration Lost Communication failure with the Interface EEPROM. If error continues, replace Value board.
Delivery System Error Code Error Description Cause Action
200B1E54 Interface EEPROM: I2C NACK Error Communication failure with the Interface EEPROM. If error continues, replace Value board.
Delivery System Error Code Error Description Cause Action
200B0C54 Interface EEPROM: I2C Retry Count Exceeded Communication failure with the Interface EEPROM. If error continues, replace Value board.
Delivery System Error Code Error Description Cause Action
200B1454 Interface EEPROM: I2C Bus Busy Communication failure with the Interface EEPROM. If error continues, replace Value board.
Delivery System Error Code Error Description Cause Action
200B1574 RTC: I2C Pin Low Timeout Communication failure with the RTC. If error continues, replace Value board.
Delivery System Error Code Error Description Cause Action
200B4174 RTC: I2C FIFO Error Communication failure with the RTC. If error continues, replace Value board.
Delivery System Error Code Error Description Cause Action
200B2074 RTC: I2C Arbitration Lost Communication failure with the RTC. If error continues, replace Value board.
Delivery System Error Code Error Description Cause Action
200B1E74 RTC: I2C NACK Error Communication failure with the RTC. If error continues, replace Value board.
Delivery System Error Code Error Description Cause Action
200B0C74 RTC: I2C Retry Count Exceeded Communication failure with the RTC. If error continues, replace Value board.
Delivery System Error Code Error Description Cause Action
200B1474 RTC: I2C Bus Busy Communication failure with the RTC. If error continues, replace Value board.
Delivery System Error Code Error Description Cause Action
200B1534 Air Transducer: I2C Pin Low Timeout Communication failure with the Air Transducer. If error continues, replace Value board.
Delivery System Error Code Error Description Cause Action
200B4134 Air Transducer: I2C FIFO Error Communication failure with the Air Transducer. If error continues, replace Value board.
Delivery System Error Code Error Description Cause Action
200B2034 Air Transducer: I2C Arbitration Lost Communication failure with the Air Transducer. If error continues, replace Value board.
Delivery System Error Code Error Description Cause Action
200B1E34 Air Transducer: I2C NACK Error Communication failure with the Air Transducer. If error continues, replace Value board.
Delivery System Error Code Error Description Cause Action
200B0C34 Air Transducer: I2C Retry Count Exceeded Communication failure with the Air Transducer. If error continues, replace Value board.
Delivery System Error Code Error Description Cause Action
200B1434 Air Transducer: I2C Bus Busy Communication failure with the Air Transducer. If error continues, replace Value board.
Delivery System Error Code Error Description Cause Action
200B1544 ADC Potentiometer: I2C Pin Low Timeout Communication failure with the ADC Potentiometer. If error continues, replace Value board.
Delivery System Error Code Error Description Cause Action
200B4144 ADC Potentiometer: I2C FIFO Error Communication failure with the ADC Potentiometer. If error continues, replace Value board.
Delivery System Error Code Error Description Cause Action
200B2044 ADC Potentiometer: I2C Arbitration Lost Communication failure with the ADC Potentiometer. If error continues, replace Value board.
Delivery System Error Code Error Description Cause Action
200B1E44 ADC Potentiometer: I2C NACK Error Communication failure with the ADC Potentiometer. If error continues, replace Value board.
Delivery System Error Code Error Description Cause Action
200B0C44 ADC Potentiometer: I2C Retry Count Exceeded Communication failure with the ADC Potentiometer. If error continues, replace Value board.
Delivery System Error Code Error Description Cause Action
200B1444 ADC Potentiometer: I2C Bus Busy Communication failure with the ADC Potentiometer. If error continues, replace Value board.
Delivery System Error Code Error Description Cause Action
200B1504 Overall Bus: I2C Pin Low Timeout Communication failure to any of the I2C peripheral devices. If error continues, replace Value board.
Delivery System Error Code Error Description Cause Action
200B1404 Overall Bus: I2C Bus Busy Communication failure to any of the I2C peripheral devices. If error continues, replace Value board.
Delivery System Error Code Error Description Cause Action
20424119 Navigation Enter Switch Active on Initialization User is pressing Navigation Enter Switch during power up of value doctors unit. User releases Navigation Enter Switch.
If switch is not being pressed on board, then issue is with the Navigation Enter Switch. If switch is not being pressed on board and error continues, replace value unit doctors control board.
Delivery System Error Code Error Description Cause Action
20424219 Navigation Up Switch Active on Initialization User is pressing Navigation Up Switch during power up of value doctors unit. User releases Navigation Up Switch.
If switch is not being pressed on board, then issue is with the Navigation Up Switch. If switch is not being pressed on board and error continues, replace value unit doctors control board.
Delivery System Error Code Error Description Cause Action
20424319 Navigation Down Switch Active on Initialization User is pressing Navigation Down Switch during power up of value doctors unit. User releases Navigation Down Switch.
If switch is not being pressed on board, then issue is with the Navigation Down Switch. If switch is not being pressed on board and error continues, replace value unit doctors control board.
Delivery System Error Code Error Description Cause Action
20424129 Navigation Enter Switch Active Stuck User has been pressing and holding the Navigation Enter Switch longer than 30 seconds. User releases Light Head power button.
If switch is not being pressed on board, then issue is with the Navigation Enter Switch. If switch is not being pressed on board and error continues, replace value unit doctors control board.
Delivery System Error Code Error Description Cause Action
20424229 Navigation Up Switch Active Stuck User has been pressing and holding the Navigation Up Switch longer than 30 seconds. User releases Navigation Up Switch.
If switch is not being pressed on board, then issue is with the Navigation Up Switch If switch is not being pressed on board and error continues, replace value unit doctors control board.
Delivery System Error Code Error Description Cause Action
20424329 Navigation Down Switch Active Stuck User has been pressing and holding the Navigation Down Switch longer than 30 seconds. User releases Navigation Down Switch.
If switch is not being pressed on board, then issue is with the Navigation Down Switch. If switch is not being pressed on board and error continues, replace value unit doctorls control board.
Delivery System Error Code Error Description Cause Action
200F0215 Contract Manufacturer UART Initialization Board malfunction. If error continues, replace Value board.
Delivery System Error Code Error Description Cause Action
210F0315 Contract Manufacturer UART Initialization Board malfunction. If error continues, replace Value board.
Delivery System Error Code Error Description Cause Action
200F4215 Contract Manufacturer UART RX Parity Error Board or cabling/connector malfunction. Check cabling between Light Controller and Contract Manufacturer.
Delivery System Error Code Error Description Cause Action
200F4315 Contract Manufacturer UART RX Noise Board or cabling/connector malfunction. Check cabling between Light Controller and Contract Manufacturer.
Delivery System Error Code Error Description Cause Action
200F4415 Contract Manufacturer UART RX Overrun Board malfunction. If error continues, replace Value board.
Chair Machine Control Error Code Error Description Cause Action
0702410D Clock Fault Board malfunction Remove power for at least five seconds; plug back in and see if error clears.
Replace Machine Control board.
Chair Machine Control Error Code Error Description Cause Action
0702420D Core Voltage Fault Loose wire connection Check all wire connections associated with this Machine Control board.
Remove power for at least five seconds; plug back in and see if error clears.
Board malfunction Ensure the proper voltage is being supplied to the microcontroller.
Replace Machine Control board.
Chair Machine Control Error Code Error Description Cause Action
0703410D Microcontroller Temperature Out of Range Board malfunction Disconnect power to allow Machine Control board to cool.
Check Machine Control board components for overheating.
Chair Machine Control Error Code Error Description Cause Action
0704410D Non-Volatile Memory Corrupt Last save to memory failed Remove power for at least five seconds; plug back in and see if error clears.
Replace Machine Control board.
Chair Machine Control Error Code Error Description Cause Action
0704420D Non-Volatile Memory Save Error Saving to memory failed Remove power for at least five seconds; plug back in and see if error clears.
Replace Machine Control board.
Chair Machine Control Error Code Error Description Cause Action
0704430D Non-Volatile Memory Recall Error Recalling information from memory failed Remove power for at least five seconds; plug back in and see if error clears.
Chair Machine Control Error Code Error Description Cause Action
0704440D Non-Volatile Memory Erase Error Erasing information from memory failed Remove power for at least five seconds; plug back in and see if error clears.
Replace Machine Control board.
Chair Machine Control Error Code Error Description Cause Action
07060119 CAN Bus Error One or more CAN bus errors were detected by the microcontroller CAN peripheral. Check operatory CAN connections.
Verify operatory CAN configuration has CAN properly terminated.
Remove power for at least five seconds; plug back in and see if error clears.
Chair Machine Control Error Code Error Description Cause Action
07071528 Watchdog Expired Board malfunction If error continues, replace Machine Control board.
Chair Machine Control Error Code Error Description Cause Action
070B2025 I2C Control EEPROM Master Arbitration Loss Bus contention If error continues, replace Machine Control board.
Chair Machine Control Error Code Error Description Cause Action
070B1F25 I2C Control EEPROM Slave NACKed Address Board malfunction If error continues, replace Machine Control board.
Chair Machine Control Error Code Error Description Cause Action
070B1E25 I2C Control EEPROM Slave NACKed TX Data Bus contention If error continues, replace Machine Control board.
Chair Machine Control Error Code Error Description Cause Action
070B4125 I2C Control EEPROM Master Start/Stop Error Bus contention If error continues, replace Machine Control board.
Chair Machine Control Error Code Error Description Cause Action
070B2075 I2C RTC Master Arbitration Loss Bus contention If error continues, replace Machine Control board.
Chair Machine Control Error Code Error Description Cause Action
070B1F75 I2C RTC Slave NACKed Address RTC chip/board issue If error continues, replace Machine Control board.
Chair Machine Control Error Code Error Description Cause Action
070B1E75 I2C RTC Slave NACKed TX Data RTC chip/board issue If error continues, replace Machine Control board.
Chair Machine Control Error Code Error Description Cause Action
070B4175 I2C RTC Master Start/Stop Error Bus contention If error continues, replace Machine Control board.
Chair Machine Control Error Code Error Description Cause Action
0752410D Calibration Failed Generic A user input was activated after calibration initiation. Wait for Calibration to no longer be in process.
An error occurred (e.g., AST switch activated, overcurrent).
Chair Machine Control Error Code Error Description Cause Action
07520B09 Calibration Not Completed The calibration process has not yet successfully been completed. Stop commanding motion.
Calibrate the product to keep the error from occurring every time motion is attempted.
Chair Machine Control Error Code Error Description Cause Action
07530109 Programmability Error One axis was outside the bounds of calibrated motion or not calibrated during programming of a programmable position. Run all functions to their minimum position.
Calibrate the product.
Chair Machine Control Error Code Error Description Cause Action
07540109 Control Lockout The controls are locked out due to the control lockout feature, and functionality was attempted. Stop commanding the functionality.
Unlock the controls.
Chair Machine Control Error Code Error Description Cause Action
07550409 12V Voltage High The 12 VDC line was detected to be high. Check voltages going to the Machine Control board.
Check all wire connections associated with this Machine Control board.
Chair Machine Control Error Code Error Description Cause Action
07550309 12V Voltage Low The 12 VDC line was detected to be low. Check voltages going to the Machine Control board.
Check all wire connections associated with this Machine Control board.
Chair Machine Control Error Code Error Description Cause Action
07440A1D 170V Motor Bus Voltage Detected Low The motor bus input voltage to the subsystem was detected low. Check voltages for the motor bus.
Check all wire connections associated with this subsystem.
Chair Machine Control Error Code Error Description Cause Action
07440A21 170V Motor Bus Voltage Detected Low The motor bus input voltage to the subsystem was detected low. Check voltages for the motor bus.
Check all wire connections associated with this subsystem.
Chair Machine Control Error Code Error Description Cause Action
07050115 User Input Error A user input was detected during power-up/reset. Deactivate any user inputs during power-up/reset.
Check the membrane.
Chair Machine Control Error Code Error Description Cause Action
07050121 User Input Error A user input was detected during power-up/reset. Deactivate any user inputs during power-up/reset.
Check the membrane.
Chair Machine Control Error Code Error Description Cause Action
07424115 Navigation Button Error A navigation push button was pressed during power-up.

Ensure that there are not any navigation push buttons being pressed during power-up.
Check navigation push buttons.
A navigation push button was pressed and held for longer than 30 seconds. Ensure that none of the navigation push buttons are being activated accidentally or are stuck.
Check navigation push buttons.
Chair Machine Control Error Code Error Description Cause Action
07424125 Navigation Button Error A navigation push button was pressed during power-up.

Ensure that there are not any navigation push buttons being pressed during power-up.
Check navigation push buttons.
A navigation push button was pressed and held for longer than 30 seconds. Ensure that none of the navigation push buttons are being activated accidentally or are stuck.
Check navigation push buttons.
Chair Machine Control Error Code Error Description Cause Action
0745411D Lift Arm Active Sensing Technology Switch Detected Active The Lift Arm Active Sensing Technology Switch is active during motion. Verify that the Lift Arm Active Sensing Technology Switch is no longer activated (electrically and/or physically).
Check all wired connections associated with this subsystem.
Stop commanding motion.
Chair Machine Control Error Code Error Description Cause Action
0745421D Upper Frame Active Sensing Technology Switch Detected Active The Upper Frame Active Sensing Technology Switch is active during motion. Verify that the Upper Frame Active Sensing Technology Switch is no longer activated (electrically and/or physically).
Check all wired connections associated with this subsystem.
Stop commanding motion.
Chair Machine Control Error Code Error Description Cause Action
0745431D Rear Hub Active Sensing Technology Switch Detected Active The Rear Hub Active Sensing Technology Switch is active during motion. Verify the Rear Hub Active Sensing Technology Switch is no longer activated (electrically and/or physically).
Check all wired connections associated with this subsystem.
Stop commanding motion.
Chair Machine Control Error Code Error Description Cause Action
070F0215 Rear Hub Active Sensing Technology Switch Detected Active Board malfunction If error continues, replace Machine Control board.
Chair Machine Control Error Code Error Description Cause Action
070F4115 Contract Manufacturer UART RX Framing Error Board or cabling/connector malfunction Check cabling between Light Controller and Contract Manufacturer.
Chair Machine Control Error Code Error Description Cause Action
070F4215 Contract Manufacturer UART RX Parity Error Board or cabling/connector malfunction Check cabling between Light Controller and Contract Manufacturer.
Chair Machine Control Error Code Error Description Cause Action
070F4315 Contract Manufacturer UART RX Noise Board or cabling/connector malfunction Check cabling between Light Controller and Contract Manufacturer.
Chair Machine Control Error Code Error Description Cause Action
070F4415 Contract Manufacturer UART RX Overrun Board malfunction If error continues, replace Machine Control board.
Chair Machine Control Error Code Error Description Cause Action
07010301 Base Stop Motor error Depends on the motor error reported in the System Error Log.
Chair Machine Control Error Code Error Description Cause Action
07010401 Back Stop Motor error Depends on the motor error reported in the System Error Log.
Chair Motor Control Error Code Error Description Cause Action
00024111 Clock Fault Board malfunction Remove power for at least 30 seconds; plug back in and see if error clears.
Replace Motor Control board.
Chair Motor Control Error Code Error Description Cause Action
00034121 Microcontroller Temperature Out of Range Board malfunction Disconnect power to allow Motor Control board to cool.
Check Motor Control board components for overheating.
Chair Motor Control Error Code Error Description Cause Action
00040F21 Non-Volatile Memory Corrupt Last save to memory failed Remove power for at least 30 seconds; plug back in and see if error clears.
Replace Motor Control board.
Chair Motor Control Error Code Error Description Cause Action
00040E21 Non-Volatile Memory Save Error Saving to memory failed Remove power for at least 30 seconds; plug back in and see if error clears.
Replace Motor Control board.
Chair Motor Control Error Code Error Description Cause Action
00040D21 Non-Volatile Memory Recall Error Recalling information from memory failed Remove power for at least 30 seconds; plug back in and see if error clears.
Replace Motor Control board.
Chair Motor Control Error Code Error Description Cause Action
00041121 Non-Volatile Memory Erase Error Erasing information from memory failed Remove power for at least 30 seconds; plug back in and see if error clears.
Chair Motor Control Error Code Error Description Cause Action
00041011 Non-Volatile Memory Corrupt, Use Factory Defaults Last save to memory failed and the data saved after the last successful calibration is being utilized. Run the motor until the Top or Bottom Limit Switch is activated.
Chair Motor Control Error Code Error Description Cause Action
00041121 Non-Volatile Memory Erase Error Erasing information from memory failed Remove power for at least 30 seconds; plug back in and see if error clears.
Replace Motor Control board.
Chair Motor Control Error Code Error Description Cause Action
000B0111 I2C Bus Fault Memory operations failed Remove power for at least 30 seconds; plug back in and see if error clears.
Replace Motor Control board.
Chair Motor Control Error Code Error Description Cause Action
000B1511 I2C Bus Timeout Memory operations failed Remove power for at least 30 seconds; plug back in and see if error clears.
Replace Motor Control board.
Chair Motor Control Error Code Error Description Cause Action
000B0E11 I2C Bus Write Error Memory operations failed Remove power for at least 30 seconds; plug back in and see if error clears.
Replace Motor Control board.
Chair Motor Control Error Code Error Description Cause Action
000B0D11 I2C Bus Read Error Memory operations failed Remove power for at least 30 seconds; plug back in and see if error clears.
Replace Motor Control board.
Chair Motor Control Error Code Error Description Cause Action
00080B11 Calibration Failed - Generic A motor control error occurred (e.g., overcurrent) Wait for Calibration to no longer be in process.
Chair Motor Control Error Code Error Description Cause Action
00081B11 Calibration Failed - Limit Switch Order The limit switches were activated in the incorrect order. Wait for Calibration to no longer be in process.
Chair Motor Control Error Code Error Description Cause Action
00081911 Calibration Failed - Motion Stopped Before End of Travel During Calibration, motion stopped prior to activating the limit switch that the motor direction was travelling towards. Wait for Calibration to no longer be in process.
Chair Motor Control Error Code Error Description Cause Action
00010311 12V Digital Voltage Low The 12VDC connected to the digital ground on the subsystem was detected low. Check voltages for the 12VDC connected to the digital ground.
Check all wire connections associated with this Motor Control board.
Chair Motor Control Error Code Error Description Cause Action
00430411 Motor Bus Voltage High The motor bus input voltage to the subsystem was detected high. Check voltages for the motor bus.
Check all wire connections associated with this Motor Control board.
Chair Motor Control Error Code Error Description Cause Action
00440311 Motor Bus Voltage Low The motor bus input voltage to the subsystem was detected low. Check voltages for the motor bus.
Check all wire connections associated with this Motor Control board.
Chair Motor Control Error Code Error Description Cause Action
00451811 Unified Active Sensing Technology™ Input The Unified Active Sensing Technology Switch is active. Verify that the Unified Active Sensing Technology Switch is no longer activated (electrically and/or physically).
Check all wired connections associated with this Motor Control board.
Stop commanding motion.
Chair Motor Control Error Code Error Description Cause Action
00461811 Limit Switch The Top and Bottom limit switches are detected activated simultaneously. Verify the Top and Bottom limit switches are no longer simultaneously activated (electrical and/or physically).
Check all wired connections associated with this Motor Control board.
Chair Motor Control Error Code Error Description Cause Action
00471811 Overtravel Switch The Overtravel Switch is active. Verify the Overtravel Switch is no longer activated (electrically and/or physically).
Check all wired connections associated with this Motor Control board.
Chair Motor Control Error Code Error Description Cause Action
0048101D Hall Sensors The sensors in the motor are faulty. Check the hall sensor connections to the Motor Control board.
Replace the motor.
Chair Motor Control Error Code Error Description Cause Action
00490411 Calculated Total Motor Overcurrent The motor current was detected too high. Stop commanding motion.
Remove load.
Check motor.
Chair Motor Control Error Code Error Description Cause Action
004A1811 Hardware Detected Total Motor Overcurrent The motor current was detected too high. Stop commanding motion.
Remove load.
Check motor.
Chair Motor Control Error Code Error Description Cause Action
004B1711 Motor Run On The Motor Run-On feature is enabled, and the motor has been detected moving for longer than the Run-On Timer Time. Stop commanding motion.
Chair Motor Control Error Code Error Description Cause Action
004C1611 Motor Stall The Stall Timer feature is enabled, and the motor did not move within the Stall Timer Time. Stop commanding motion.
Remove load.
Check all wired connections associated with this Motor Control board.
Check motor.
Chair Motor Control Error Code Error Description Cause Action
004D1019 Motor Direction The motor is being commanded to move in one direction and is detected moving in another. Stop Commanding motion.
Check motor.
Motor moved without being commanded to move. Stop commanding motion.
Check CAN communication connections.
Chair Motor Control Error Code Error Description Cause Action
004E1511 Motion Command Timeout The command to drive motion has not been received within the timeout. Stop commanding motion.
Check CAN communication connections.
Chair Motor Control Error Code Error Description Cause Action
004F1015 Motor Configuration Not Complete The Motor Configuration Process did not successfully complete and motion was attempted. Stop commanding motion.
Check CAN communication connections.
Chair Motor Control Error Code Error Description Cause Action
01024111 Clock Fault Board malfunction Remove power for at least 30 seconds; plug back in and see if error clears.
Replace Motor Control board.
Chair Motor Control Error Code Error Description Cause Action
01034121 Microcontroller Temperature Out of Range Board malfunction Disconnect power to allow Motor Control board to cool.
Check Motor Control board components for overheating.
Chair Motor Control Error Code Error Description Cause Action
01040F21 Non-Volatile Memory Corrupt Last save to memory failed Remove power for at least 30 seconds; plug back in and see if error clears.
Replace Motor Control board.
Chair Motor Control Error Code Error Description Cause Action
01040E21 Non-Volatile Memory Save Error Saving to memory failed Remove power for at least 30 seconds; plug back in and see if error clears.
Replace Motor Control board.
Chair Motor Control Error Code Error Description Cause Action
01040D21 Non-Volatile Memory Recall Error Recalling information from memory failed Remove power for at least 30 seconds; plug back in and see if error clears.
Replace Motor Control board.
Chair Motor Control Error Code Error Description Cause Action
01041121 Non-Volatile Memory Erase Error Erasing information from memory failed Remove power for at least 30 seconds; plug back in and see if error clears.
Chair Motor Control Error Code Error Description Cause Action
01041011 Non-Volatile Memory Corrupt, Use Factory Defaults Last save to memory failed and the data saved after the last successful calibration is being utilized. Run the motor until the Top or Bottom Limit Switch is activated.
Chair Motor Control Error Code Error Description Cause Action
01041121 Non-Volatile Memory Erase Error Erasing information from memory failed Remove power for at least 30 seconds; plug back in and see if error clears.
Replace Motor Control board.
Chair Motor Control Error Code Error Description Cause Action
010B0111 I2C Bus Fault Memory operations failed Remove power for at least 30 seconds; plug back in and see if error clears.
Replace Motor Control board.
Chair Motor Control Error Code Error Description Cause Action
010B1511 I2C Bus Timeout Memory operations failed Remove power for at least 30 seconds; plug back in and see if error clears.
Replace Motor Control board.
Chair Motor Control Error Code Error Description Cause Action
010B0E11 I2C Bus Write Error Memory operations failed Remove power for at least 30 seconds; plug back in and see if error clears.
Replace Motor Control board.
Chair Motor Control Error Code Error Description Cause Action
010B0D11 I2C Bus Read Error Memory operations failed Remove power for at least 30 seconds; plug back in and see if error clears.
Replace Motor Control board.
Chair Motor Control Error Code Error Description Cause Action
01080B11 Calibration Failed - Generic A motor control error occurred (e.g., overcurrent) Wait for Calibration to no longer be in process.
Chair Motor Control Error Code Error Description Cause Action
01081B11 Calibration Failed - Limit Switch Order The limit switches were activated in the incorrect order. Wait for Calibration to no longer be in process.
Chair Motor Control Error Code Error Description Cause Action
01081911 Calibration Failed - Motion Stopped Before End of Travel During Calibration, motion stopped prior to activating the limit switch that the motor direction was travelling towards. Wait for Calibration to no longer be in process.
Chair Motor Control Error Code Error Description Cause Action
01010311 12V Digital Voltage Low The 12VDC connected to the digital ground on the subsystem was detected low. Check voltages for the 12VDC connected to the digital ground.
Check all wire connections associated with this Motor Control board.
Chair Motor Control Error Code Error Description Cause Action
01430411 Motor Bus Voltage High The motor bus input voltage to the subsystem was detected high. Check voltages for the motor bus.
Check all wire connections associated with this Motor Control board.
Chair Motor Control Error Code Error Description Cause Action
01440311 Motor Bus Voltage Low The motor bus input voltage to the subsystem was detected low. Check voltages for the motor bus.
Check all wire connections associated with this Motor Control board.
Chair Motor Control Error Code Error Description Cause Action
01451811 Unified Active Sensing Technology™ Input The Unified Active Sensing Technology Switch is active. Verify that the Unified Active Sensing Technology Switch is no longer activated (electrically and/or physically).
Check all wired connections associated with this Motor Control board.
Stop commanding motion.
Chair Motor Control Error Code Error Description Cause Action
01461811 Limit Switch The Top and Bottom limit switches are detected activated simultaneously. Verify the Top and Bottom limit switches are no longer simultaneously activated (electrical and/or physically).
Check all wired connections associated with this Motor Control board.
Chair Motor Control Error Code Error Description Cause Action
01471811 Overtravel Switch The Overtravel Switch is active. Verify the Overtravel Switch is no longer activated (electrically and/or physically).
Check all wired connections associated with this Motor Control board.
Chair Motor Control Error Code Error Description Cause Action
0148101D Hall Sensors The sensors in the motor are faulty. Check the hall sensor connections to the Motor Control board.
Replace the motor.
Chair Motor Control Error Code Error Description Cause Action
01490411 Calculated Total Motor Overcurrent The motor current was detected too high. Stop commanding motion.
Remove load.
Check motor.
Chair Motor Control Error Code Error Description Cause Action
014A1811 Hardware Detected Total Motor Overcurrent The motor current was detected too high. Stop commanding motion.
Remove load.
Check motor.
Chair Motor Control Error Code Error Description Cause Action
014B1711 Motor Run On The Motor Run-On feature is enabled, and the motor has been detected moving for longer than the Run-On Timer Time. Stop commanding motion.
Chair Motor Control Error Code Error Description Cause Action
014C1611 Motor Stall The Stall Timer feature is enabled, and the motor did not move within the Stall Timer Time. Stop commanding motion.
Remove load.
Check all wired connections associated with this Motor Control board.
Check motor.
Chair Motor Control Error Code Error Description Cause Action
014D1019 Motor Direction The motor is being commanded to move in one direction and is detected moving in another. Stop Commanding motion.
Check motor.
Motor moved without being commanded to move. Stop commanding motion.
Check CAN communication connections.
Chair Motor Control Error Code Error Description Cause Action
014E1511 Motion Command Timeout The command to drive motion has not been received within the timeout. Stop commanding motion.
Check CAN communication connections.
Chair Motor Control Error Code Error Description Cause Action
014F1015 Motor Configuration Not Complete The Motor Configuration Process did not successfully complete and motion was attempted. Stop commanding motion.
Check CAN communication connections.
Foot Control Error Code Error Description Cause Action
1902410D Clock Fault Board malfunction Remove power for at least five seconds; plug back in and see if error clears.
Replace Wired Foot Control.
Foot Control Error Code Error Description Cause Action
190241D Clock Fault Board malfunction Remove power for at least five seconds; plug back in and see if error clears.
Replace Wired Foot Control.
Foot Control Error Code Error Description Cause Action
1902420D Core Voltage Fault Loose wire connection Check all wire connections associated with this Wired Foot Control.
Remove power for at least five seconds; plug back in and see if error clears.
Board malfunction Ensure the proper voltage is being supplied to the microcontroller.
Replace Wired Foot Control.
Foot Control Error Code Error Description Cause Action
190242D Core Voltage Fault Loose wire connection Check all wire connections associated with this Wired Foot Control.
Remove power for at least five seconds; plug back in and see if error clears.
Board malfunction Ensure the proper voltage is being supplied to the microcontroller.
Replace Wired Foot Control.
Foot Control Error Code Error Description Cause Action
1903410D Microcontroller Temperature Out of Range Board malfunction Disconnect power to allow Wired Foot Control to cool.
Check Wired Foot Control components for overheating.
Foot Control Error Code Error Description Cause Action
19550319 Low Voltage 12VDC The 12 VDC line was detected to be low. Check voltages going to the Wired Foot Control.
Check all wire connections associated with this Wired Foot Control.
Foot Control Error Code Error Description Cause Action
19550419 High Voltage 12VDC The 12 VDC line was detected to be high. Check voltages going to the Wired Foot Control.
Check all wire connections associated with this Wired Foot Control.
Foot Control Error Code Error Description Cause Action
1904410D Non-Volatile Memory Corrupt Last save to memory failed Remove power for at least five seconds; plug back in and see if error clears.
Replace Wired Foot Control.
Foot Control Error Code Error Description Cause Action
1904420D Non-Volatile Memory Save Error Saving to memory failed Remove power for at least five seconds; plug back in and see if error clears.
Replace Wired Foot Control.
Foot Control Error Code Error Description Cause Action
1904430D Non-Volatile Memory Recall Error Recalling information from memory failed Remove power for at least five seconds; plug back in and see if error clears.
Replace Wired Foot Control.
Foot Control Error Code Error Description Cause Action
1904440D Non-Volatile Memory Erase Error Erasing information from memory failed Remove power for at least five seconds; plug back in and see if error clears.
Replace Wired Foot Control.
Foot Control Error Code Error Description Cause Action
19060119 CAN Bus Error One or more CAN bus errors were detected by the microcontroller CAN peripheral. Check operatory CAN connections.
Verify operatory CAN configuration has CAN properly terminated.
Remove power for at least five seconds; plug back in and see if error clears.
Foot Control Error Code Error Description Cause Action
19071519 Watchdog Expired Board malfunction If error continues, replace Wired Foot Control.
Foot Control Error Code Error Description Cause Action
19054119 Back Down Button Active on Initialization User is pressing Back Down button during power up. User releases touch pad Back Down button.
If Back Down button is not being pressed, then issue is with the subsystem board or its membrane touch pad.

If Back Down button is not being pressed on touch pad and error continues, replace Wired Foot Control.
Foot Control Error Code Error Description Cause Action
19054219 Back Up Button Active on Initialization User is pressing Back Up button during power up. User releases touch pad Back Up button.
If Back Up button is not being pressed, then issue is with the subsystem board or its membrane touch pad. If Back Up button is not being pressed on touch pad and error continues, replace Wired Foot Control.
Foot Control Error Code Error Description Cause Action
19054319 Base Down Button Active on Initialization User is pressing base Down button during power up. User releases touch pad base Down button.
If base Down button is not being pressed, then issue is with the subsystem board or its membrane touch pad. If base Down button is not being pressed on touch pad and error continues, replace Wired Foot Control.
Foot Control Error Code Error Description Cause Action
19054419 Base Up Button Active on Initialization User is pressing base Up button during power up. User releases touch pad base Up button.
If base Up button is not being pressed, then issue is with the subsystem board or its membrane touch pad. If base Up button is not being pressed on touch pad and error continues, replace Wired Foot Control.
Foot Control Error Code Error Description Cause Action
19054519 Programmed Position 1 Button Active on Initialization User is pressing Programmed Position 1 button during power up. User releases touch pad Programmed Position 1 button.
If Programmed Position 1 button is not being pressed, then issue is with the subsystem board or its membrane touch pad. If Programmed Position 1 button is not being pressed on touch pad and error continues, replace Wired Foot Control.
Foot Control Error Code Error Description Cause Action
19054619 Programmed Position 2 Button Active on Initialization User is pressing Programmed Position 2 button during power up. User releases touch pad Programmed Position 2 button.
If Programmed Position 2 button is not being pressed, then issue is with the subsystem board or its membrane touch pad. If Programmed Position 2 button is not being pressed on touch pad and error continues, replace Wired Foot Control.
Foot Control Error Code Error Description Cause Action
19054719 Programmed Position 3 Button Active on Initialization User is pressing Programmed Position 3 button during power up. User releases touch pad Programmed Position 3 button.
If Programmed Position 3 button is not being pressed, then issue is with the subsystem board or its membrane touch pad. If Programmed Position 3 button is not being pressed on touch pad and error continues, replace Wired Foot Control.
Foot Control Error Code Error Description Cause Action
19054819 Home Position Button Active on Initialization User is pressing Home button during power up. User releases touch pad Home button.
If Home button is not being pressed, then issue is with the subsystem board or its membrane touch pad. If Home button is not being pressed on touch pad and error continues, replace Wired Foot Control.
Foot Control Error Code Error Description Cause Action
19055019 Stop Button Active on Initialization User is pressing Stop button during power up. User releases touch pad Stop button.
If Stop button is not being pressed, then issue is with the subsystem board or its membrane touch pad. If Stop button is not being pressed on touch pad and error continues, replace Wired Foot Control.
Foot Control Error Code Error Description Cause Action
19054129 Back Down Button Stuck User has been pressing and holding the Back Down button longer than 30 seconds. User releases touch pad Back Down button.
If Back Down button is not being pressed, then issue is with the subsystem board or its membrane touch pad. If Back Down button is not being pressed on touch pad and error continues, replace Wired Foot Control.
Foot Control Error Code Error Description Cause Action
19054229 Back Up Button Stuck User has been pressing and holding the Back Up button longer than 30 seconds. User releases touch pad Back Up button.
If Back Up button is not being pressed, then issue is with the subsystem board or its membrane touch pad. If Back Up button is not being pressed on touch pad and error continues, replace Wired Foot Control.
Foot Control Error Code Error Description Cause Action
19054329 Base Down Button Stuck User has been pressing and holding the base Down button longer than 30 seconds. User releases touch pad base Down button.
If Base Down button is not being pressed, then issue is with the subsystem board or its membrane touch pad. If Base Down button is not being pressed on touch pad and error continues, replace Wired Foot Control.
Foot Control Error Code Error Description Cause Action
19054429 Base Up Button Stuck User has been pressing and holding the base Up button longer than 30 seconds. User releases touch pad base Up button.
If Base Up button is not being pressed, then issue is with the subsystem board or its membrane touch pad. If Base Up button is not being pressed on touch pad and error continues, replace Wired Foot Control.
Foot Control Error Code Error Description Cause Action
19054529 Programmed Position 1 Button Stuck User has been pressing and holding the Programmed Position 1 button longer than 30 seconds. User releases touch pad Programmed Position 1 button.
If Programmed Position 1 button is not being pressed, then issue is with the subsystem board or its membrane touch pad. If Programmed Position 1 button is not being pressed on touch pad and error continues, replace Wired Foot Control.
Foot Control Error Code Error Description Cause Action
19054629 Programmed Position 2 Button Stuck User has been pressing and holding the Programmed Position 2 button longer than 30 seconds. User releases touch pad Programmed Position 2 button.
If Programmed Position 2 button is not being pressed, then issue is with the subsystem board or its membrane touch pad. If Programmed Position 2 button is not being pressed on touch pad and error continues, replace Wired Foot Control.
Foot Control Error Code Error Description Cause Action
19054729 Programmed Position 3 Button Stuck User has been pressing and holding the Programmed Position 3 button longer than 30 seconds. User releases touch pad Programmed Position 3 button.
If Programmed Position 3 button is not being pressed, then issue is with the subsystem board or its membrane touch pad. If Programmed Position 3 button is not being pressed on touch pad and error continues, replace Wired Foot Control.
Foot Control Error Code Error Description Cause Action
19054829

Home Position Button Stuck

 User has been pressing and holding the Home button longer than 30 seconds. User releases touch pad Home button.
If Home button is not being pressed, then issue is with the subsystem board or its membrane touch pad. If Home button is not being pressed on touch pad and error continues, replace Wired Foot Control.
Foot Control Error Code Error Description Cause Action
19055029 Stop Button Stuck User has been pressing and holding the Stop button longer than 30 seconds. User releases touch pad Stop button.
If Stop button is not being pressed, then issue is with the subsystem board or its membrane touch pad. If Stop button is not being pressed on touch pad and error continues, replace Wired Foot Control.
Foot Control Error Code Error Description Cause Action
190F0215 Contract Manufacturer UART Initialization Board malfunction If error continues, replace Wired Foot Control.
Foot Control Error Code Error Description Cause Action

190F4115

 Contract Manufacturer UART RX Framing Error Board or cabling/connector malfunction Check cabling between Wired Foot Control and Contract Manufacturer.
Foot Control Error Code Error Description Cause Action

190F4215

 Contract Manufacturer UART RX Parity Error Board or cabling/connector malfunction Check cabling between Wired Foot Control and Contract Manufacturer.
Foot Control Error Code Error Description Cause Action

190F4315

 Contract Manufacturer UART RX Noise Board or cabling/connector malfunction Check cabling between Wired Foot Control and Contract Manufacturer.
Foot Control Error Code Error Description Cause Action

190F4415

 Contract Manufacturer UART RX Overrun Board malfunction If error continues, replace Wired Foot Control.
Light Error Code Error Description Cause Action
1A02410D Clock Fault Board malfunction Remove power for at least five seconds; plug back in and see if error clears.
Replace Light board.
Light Error Code Error Description Cause Action
1A055F19 Core Voltage Fault Loose wire connection Check all wire connections associated with this Light board.
Remove power for at least five seconds; plug back in and see if error clears.
Board malfunction Ensure the proper voltage is being supplied to the microcontroller.
Replace Light board.
Light Error Code Error Description Cause Action
1A03410D Microcontroller Temperature Out of Range Board malfunction Disconnect power to allow Light board to cool.
Check Light board components for overheating.
Light Error Code Error Description Cause Action
1A04410D Non-Volatile Memory Corrupt Last save to memory failed Remove power for at least five seconds; plug back in and see if error clears.
Replace Light board.
Light Error Code Error Description Cause Action
1A04420D Non-Volatile Memory Save Error Saving to memory failed Remove power for at least five seconds; plug back in and see if error clears.
Replace Light board.
Light Error Code Error Description Cause Action
1A04430D Non-Volatile Memory Recall Error Recalling information from memory failed Remove power for at least five seconds; plug back in and see if error clears.
Replace Light board.
Light Error Code Error Description Cause Action
1A04440D Non-Volatile Memory Erase Error Erasing information from memory failed Remove power for at least five seconds; plug back in and see if error clears.
Replace Light board.
Light Error Code Error Description Cause Action
1A055F19 CAN Bus Error One or more CAN bus errors were detected by the microcontroller CAN peripheral. Check operatory CAN connections.
Verify operatory CAN configuration has CAN properly terminated.
Remove power for at least five seconds; plug back in and see if error clears.
Light Error Code Error Description Cause Action
1A071518 Watchdog Expired Board malfunction If error continues, replace Light board.
Light Error Code Error Description Cause Action
1A0F022D Light Head UART Initialization Board malfunction If error continues, replace Light board.
Light Error Code Error Description Cause Action
1A0F412D Light Head UART RX Framing Error Board or cabling/connector malfunction Check cabling between Light Controller and Light Head.
Light Error Code Error Description Cause Action
1A0F422D Light Head UART RX Parity Error Board or cabling/connector malfunction Check cabling between Light Controller and Light Head.
Light Error Code Error Description Cause Action
1A0F432D Light Head UART RX Noise Board or cabling/connector malfunction Check cabling between Light Controller and Light Head.
Light Error Code Error Description Cause Action
1A0F442D Light Head UART RX Overrun Board malfunction If error continues, replace Light board.
Light Error Code Error Description Cause Action
1A0B2015 I2C Accelerometer Master Arbitration Loss Bus contention If error continues, replace Light board.
Light Error Code Error Description Cause Action
1A0B1F15 I2C Accelerometer Slave NACKed Address Accelerometer chip/board issue If error continues, replace Light board.
Light Error Code Error Description Cause Action
1A0B1E15 I2C Accelerometer Slave NACKed TX Data Accelerometer chip/board issue If error continues, replace Light board.
Light Error Code Error Description Cause Action
1A0B4115 I2C Accelerometer Master Start/Stop Error Bus contention If error continues, replace Light board.
Light Error Code Error Description Cause Action
1A0B2025 I2C EEPROM Master Arbitration Loss Bus contention If error continues, replace Light board.
Light Error Code Error Description Cause Action
1A0B1F25 I2C EEPROM Slave NACKed Address Board malfunction If error continues, replace Light board.
Light Error Code Error Description Cause Action
1A0B1E25 I2C EEPROM Slave NACKed TX Data Bus contention If error continues, replace Light board.
Light Error Code Error Description Cause Action
1A0B4125 I2C EEPROM Master Start/Stop Error Bus contention If error continues, replace Light board.
Light Error Code Error Description Cause Action
1A40410D Light Head Driver or LED Abnormal Issue with the light head If error continues, replace light head.
Light Error Code Error Description Cause Action
1A055F19 Light Head Power Touch Pad Button Active on Initialization User is pressing Light Head power button during power up of Light System. User releases Light Head power button.
If button is not being pressed on light head touch pad, then issue is with the light head and/or its touch pad. If button is not being pressed on light head and error continues, replace light head.
Light Error Code Error Description Cause Action
1A056019 Light Head Composite Button Active on Initialization User is pressing Light Head composite button during power up of Light System. User releases Light Head composite button.
If button is not being pressed on light head touch pad, then issue is with the light head and/or its touch pad. If button is not being pressed on light head and error continues, replace light head.
Light Error Code Error Description Cause Action
1A055E19 Light Head Intensity Button Active on Initialization User is pressing Light Head intensity button during power up of Light System. User releases Light Head intensity button.
If button is not being pressed on light head touch pad, then issue is with the light head and/or its touch pad. If button is not being pressed on light head and error continues, replace light head.
Light Error Code Error Description Cause Action
1A055F29 Light Head Power Touch Pad Button Stuck User has been pressing and holding the Light Head power button longer than 30 seconds. User releases Light Head power button.
If button is not being pressed on light head touch pad, then issue is with the light head and/or its touch pad. If button is not being pressed on light head and error continues, replace light head.
Light Error Code Error Description Cause Action
1A056029 Light Head Composite Button Stuck User has been pressing and holding the Light Head composite button longer than 30 seconds. User releases Light Head composite button.
If button is not being pressed on light head touch pad, then issue is with the light head and/or its touch pad. If button is not being pressed on light head and error continues, replace light head.
Light Error Code Error Description Cause Action
1A055E29 Light Head Intensity Button Stuck User has been pressing and holding the Light Head intensity button longer than 30 seconds. User releases Light Head intensity button.
If button is not being pressed on light head touch pad, then issue is with the light head and/or its touch pad. If button is not being pressed on light head and error continues, replace light head.
Light Error Code Error Description Cause Action
1A0F152D Light Head UART Communication Timeout Board or cabling/connector malfunction Check cabling between Light Controller and Light Head.
Light Error Code Error Description Cause Action
1A41150D Accelerometer Data Available Interrupt Timeout Board malfunction If error continues, replace Light board.
Light Error Code Error Description Cause Action
1A0F0215 Contract Manufacturer UART Initialization Board malfunction If error continues, replace Light board.
Light Error Code Error Description Cause Action
1A0F4115 Contract Manufacturer UART RX Framing Error Board or cabling/connector malfunction Check cabling between Light Controller and Contract Manufacturer.
Light Error Code Error Description Cause Action
1A0F4215 Contract Manufacturer UART RX Parity Error Board or cabling/connector malfunction Check cabling between Light Controller and Contract Manufacturer.
Light Error Code Error Description Cause Action
1A0F4315 Contract Manufacturer UART RX Noise Board or cabling/connector malfunction Check cabling between Light Controller and Contract Manufacturer.
Light Error Code Error Description Cause Action
1A0F4415 Contract Manufacturer UART RX Overrun Board malfunction If error continues, replace Light board.