M3 Sterilizer General System Error Codes: C630 to C675 Troubleshooting

Items Not Sterile message will be displayed if an error occurs in any of the following modes: Close mode, Heat Up Mode, or Sterilize Mode. Otherwise, message will not appear. This message is intended to indicate to the user that the items in the chamber may or may not be sterile, and must be reprocessed.

Display / Symptom Cause Check Action

C630: POWER UP MODE PRESSURE LOW

ITEMS NOT STERILE TURN POWER OFF/ON

During Heatup Mode, the first vent valve open operation has to occur within 10 minutes.

 Low water in reservoir Check water level in reservoir. Fill reservoir with distilled water.
Low water in reservoir not caught by a C23x error. Water Level / External Tank Display Screen. Replace water level sensor.
Water pump not primed. Water pump priming Prime water pump.
Steam leakage.

Six point leak check.

 Repair steam leak.
Chamber temperature sensor not functioning properly. Temperature Sensor Resistance Test. Clean or replace chamber temperature sensor.
Boiler temperature sensor not functioning properly. Temperature Sensor Resistance Test. Replace boiler temperature sensor.
Boiler not functioning properly. Boiler Test Replace boiler, if necessary.
Pressure transducer tubing damaged or disconnected. Inspect copper & neoprene tubing from chamber to pressure transducer. Repair or replace tubing, if necessary.
PC Board malfunctioning. Verify that there are no other ways that pressure could not be transmitted from chamber to pressure transducer. Replace PC board, if necessary.
Defective check valve in water pump. Check for large air pocket forming in tubing, that moves from the boiler to water pump. Replace water pump.
Pressure transducer port in chamber blocked Check for obstruction. Remove obstruction.
Photo interrupter obstructed. Photo Interrupter Clear obstruction and clean. Verify hardware is working back to processor.
Display / Symptom Cause Check Action

C631: SELECT CYCLE MODE PRESSURE LOW

ITEMS NOT STERILE TURN POWER OFF/ON

During Heatup Mode, the first vent valve open operation has to occur within 10 minutes.

 Low water in reservoir Check water level in reservoir. Fill reservoir with distilled water.
Low water in reservoir not caught by a C23x error. Water Level / External Tank Display Screen. Replace water level sensor.
Water pump not primed. Water pump priming Prime water pump.
Steam leakage.

Six point leak check

Repair steam leak.
Chamber temperature sensor not functioning properly. Temperature Sensor Resistance Test. Clean or replace chamber temperature sensor.
Boiler temperature sensor not functioning properly. Temperature Sensor Resistance Test. Replace boiler temperature sensor.
Boiler not functioning properly. Boiler Test Replace boiler, if necessary.
Pressure transducer tubing damaged or disconnected. Inspect copper & neoprene tubing from chamber to pressure transducer. Repair or replace tubing, if necessary.
PC Board malfunctioning. Verify that there are no other ways that pressure could not be transmitted from chamber to pressure transducer. Replace PC board, if necessary.
Defective check valve in water pump. Check for large air pocket forming in tubing, that moves from the boiler to water pump. Replace water pump.
Pressure transducer port in chamber blocked Check for obstruction. Remove obstruction.
Photo interrupter obstructed. Photo Interrupter Clear obstruction and clean. Verify hardware is working back to processor.
Display / Symptom Cause Check Action

C633: HEAT UP MODE PRESSURE LOW

ITEMS NOT STERILE TURN POWER OFF/ON

During Heatup Mode, the first vent valve open operation has to occur within 10 minutes.

 Low water in reservoir Check water level in reservoir. Fill reservoir with distilled water.
Low water in reservoir not caught by a C23x error. Water Level / External Tank Display Screen Replace water level sensor.
Water pump not primed. Water pump priming Prime water pump.
Steam leakage.

Six point leak check

Repair steam leak.
Chamber temperature sensor not functioning properly. Temperature Sensor Resistance Test. Clean or replace chamber temperature sensor.
Boiler temperature sensor not functioning properly. Temperature Sensor Resistance Test. Replace boiler temperature sensor.
Boiler not functioning properly. Boiler Test Replace boiler, if necessary.
Pressure transducer tubing damaged or disconnected. Inspect copper & neoprene tubing from chamber to pressure transducer. Repair or replace tubing, if necessary.
PC Board malfunctioning. Verify that there are no other ways that pressure could not be transmitted from chamber to pressure transducer. Replace PC board, if necessary.
Defective check valve in water pump. Check for large air pocket forming in tubing, that moves from the boiler to water pump. Replace water pump.
Pressure transducer port in chamber blocked Check for obstruction. Remove obstruction.
Photo interrupter obstructed. Photo Interrupter Clear obstruction and clean. Verify hard-ware is working back to processor.
Display / Symptom Cause Check Action

C636: OPEN MODE PRESSURE LOW

ITEMS NOT STERILE TURN POWER OFF/ON

During Heatup Mode, the first vent valve open operation has to occur within 10 minutes.

 Low water in reservoir Check water level in reservoir. Fill reservoir with distilled water.
Low water in reservoir not caught by a C23x error. Water Level / External Tank Display Screen Replace water level sensor.
Water pump not primed. Water pump priming Prime water pump.
Steam leakage.

Six point leak check

Repair steam leak.
Chamber temperature sensor not functioning properly. Temperature Sensor Resistance Test. Clean or replace chamber temperature sensor.
Boiler temperature sensor not functioning properly. Temperature Sensor Resistance Test. Replace boiler temperature sensor.
Boiler not functioning properly. Boiler Test Replace boiler, if necessary.
Pressure transducer tubing damaged or disconnected. Inspect copper & neoprene tubing from chamber to pressure transducer. Repair or replace tubing, if necessary.
PC Board malfunctioning. Verify that there are no other ways that pressure could not be transmitted from chamber to pressure transducer. Replace PC board, if necessary.
Defective check valve in water pump. Check for large air pocket forming in tubing, that moves from the boiler to water pump. Replace water pump.
Pressure transducer port in chamber blocked Check for obstruction. Remove obstruction.
Photo interrupter obstructed. Photo Interrupter

Clear obstruction and clean. Verify hardware is working back to processor.

 
Display / Symptom Cause Check Action

C637: DRY MODE PRESSURE LOW

ITEMS NOT STERILE TURN POWER OFF/ON

During Heatup Mode, the first vent valve open operation has to occur within 10 minutes.

 Low water in reservoir Check water level in reservoir. Fill reservoir with distilled water.
Low water in reservoir not caught by a C23x error. Water Level / External Tank Display Screen Replace water level sensor.
Water pump not primed. Water pump priming. Prime water pump.
Steam leakage.

Six point leak check

Repair steam leak.
Chamber temperature sensor not functioning properly. Temperature Sensor Resistance Test. Clean or replace chamber temperature sensor.
Boiler temperature sensor not functioning properly. Temperature Sensor Resistance Test. Replace boiler temperature sensor.
Boiler not functioning properly. Boiler Test Replace boiler, if necessary.
Pressure transducer tubing damaged or disconnected. Inspect copper & neoprene tubing from chamber to pressure transducer. Repair or replace tubing, if necessary.
PC Board malfuctioning. Varify that there are no other ways that pressure could not be transmitted from chamber to pressure transducer. Replace PC board, if necessary.
Defective check valve in water pump. Check for large air pocket forming in tubing, that moves from the boiler to water pump. Replace water pump.
Pressure transducer port in chamber blocked Check for obstruction. Remove obstruction.
Photo interrupter obstructed. Photo Interrupter Clear obstruction and clean. Verify hardware is working back to processor.
Display / Symptom Cause Check Action

C638: COMPLETE MODE PRESSURE LOW

ITEMS NOT STERILE TURN POWER OFF/ON

During Heatup Mode, the first vent valve open operation has to occur within 10 minutes.

 Low water in reservoir Check water level in reservoir. Fill reservoir with distilled water.
Low water in reservoir not caught by a C23x error. Water Level / External Tank Display Screen Replace water level sensor.
Water pump not primed. Water pump priming. Prime water pump.
Steam leakage.

Six point leak check

Repair steam leak.
Chamber temperature sensor not functioning properly. Temperature Sensor Resistance Test. Clean or replace chamber temperature sensor.
Boiler temperature sensor not functioning properly. Temperature Sensor Resistance Test. Replace boiler temperature sensor.
Boiler not functioning properly. Boiler Test Replace boiler, if necessary.
Pressure transducer tubing damaged or disconnected. Inspect copper & neoprene tubing from chamber to pressure transducer. Repair or replace tubing, if necessary.
PC Board malfuctioning. Varify that there are no other ways that pressure could not be transmitted from chamber to pressure transducer. Replace PC board, if necessary.
Defective check valve in water pump. Check for large air pocket forming in tubing, that moves from the boiler to water pump. Replace water pump.
Pressure transducer port in chamber blocked Check for obstruction. Remove obstruction.
Photo interrupter obstructed. Photo Interrupter Clear obstruction and clean. Verify hardware is working back to processor.
Display / Symptom Cause Check Action

C641: SELECT MODE PRESSURE HIGH

ITEMS NOT STERILE PUSH STOP TO RESTART

The gauge pressure in the chamber is greater than 2.0 PSIg (13.8 kPag) when it should be near zero.

 Steam not being released from chamber. Check for obstruction in plastic tube connecting unit to external condensing tank. Unkink plastic tube, remove obstruction, or replace.
Check copper coil in external condensing tank for blockage or damage. Clear obstruction or replace copper coil.
Check vent port in chamber for blockage. Check filter for blockage. Clear obstruction in vent port. Clean or replace filter.
Check vent valve for blockage. Put unit into Service Diagnostics and check vent valve operation. Clean or replace vent valve.
Pressure is being read abnormally high by pressure transducer. Chamber Pressure Display Screen Replace PC board, if necessary.
Display / Symptom Cause Check Action

C642: CLOSE MODE PRESSURE HIGH

ITEMS NOT STERILE PUSH STOP TO RESTART

The gauge pressure in the chamber is greater than 2.0 PSIg (13.8 kPag) when it should be near zero.

 Steam not being released from chamber. Check for obstruction in plastic tube connecting unit to external condensing tank. Unkink plastic tube, remove obstruction, or replace.
Check copper coil in external condensing tank for blockage or damage. Clear obstruction or replace copper coil.
Check vent port in chamber for blockage. Check filter for blockage. Clear obstruction in vent port. Clean or replace filter.
Check vent valve for blockage. Put unit into Service Diagnostics and check vent valve operation. Clean or replace vent valve.
Pressure is being read abnormally high by pressure transducer. Chamber Pressure Display Screen Replace PC board, if necessary.
Display / Symptom Cause Check Action

C645: VENT MODE PRESSURE HIGH

ITEMS NOT STERILE PUSH STOP TO RESTART

The gauge pressure in the chamber is greater than 2.0 PSIg (13.8 kPag) when it should be near zero.

 Steam not being released from chamber. Check for obstruction in plastic tube connecting unit to external condensing tank. Unkink plastic tube, remove obstruction, or replace.
Check copper coil in external condensing tank for blockage or damage. Clear obstruction or replace copper coil.
Check vent port in chamber for blockage. Check filter for blockage. Clear obstruction in vent port. Clean or replace filter.
Check vent valve for blockage. Put unit into Service Diagnostics and check vent valve operation. Clean or replace vent valve.
Pressure is being read abnormally high by pressure transducer. Chamber Pressure Display Screen Replace PC board, if necessary.
Display / Symptom Cause Check Action

C646: OPEN MODE PRESSURE HIGH

ITEMS NOT STERILE PUSH STOP TO RESTART

The gauge pressure in the chamber is greater than 2.0 PSIg (13.8 kPag) when it should be near zero.

 Steam not being released from chamber. Check for obstruction in plastic tube connecting unit to external condensing tank. Unkink plastic tube, remove obstruction, or replace.
Check copper coil in external condensing tank for blockage or damage. Clear obstruction or replace copper coil.
Check vent port in chamber for blockage. Check filter for blockage. Clear obstruction in vent port. Clean or replace filter.
Check vent valve for blockage. Put unit into Service Diagnostics and check vent valve operation. Clean or replace vent valve.
Pressure is being read abnormally high by pressure transducer. Chamber Pressure Display Screen Replace PC board, if necessary.
Display / Symptom Cause Check Action

C647: DRY MODE PRESSURE HIGH

ITEMS NOT STERILE PUSH STOP TO RESTART

The gauge pressure in the chamber is greater than 2.0 PSIg (13.8 kPag) when it should be near zero.

 Steam not being released from chamber. Check for obstruction in plastic tube connecting unit to external condensing tank. Unkink plastic tube, remove obstruction, or replace.
Check copper coil in external condensing tank for blockage or damage. Clear obstruction or replace copper coil.
Check vent port in chamber for blockage. Check filter for blockage. Clear obstruction in vent port. Clean or replace filter.
Check vent valve for blockage. Put unit into Service Diagnostics and check vent valve operation. Clean or replace vent valve.
Pressure is being read abnormally high by pressure transducer. Chamber Pressure Display Screen Replace PC board, if necessary.
Display / Symptom Cause Check Action

C648: COMPLETE MODE PRESSURE HIGH

ITEMS NOT STERILE PUSH STOP TO RESTART

The gauge pressure in the chamber is greater than 2.0 PSIg (13.8 kPag) when it should be near zero.

 Steam not being released from chamber. Check for obstruction in plastic tube connecting unit to external condensing tank. Unkink plastic tube, remove obstruction, or replace.
Check copper coil in external condensing tank for blockage or damage. Clear obstruction or replace copper coil.
Check vent port in chamber for blockage. Check filter for blockage. Clear obstruction in vent port. Clean or replace filter.
Check vent valve for blockage. Put unit into Service Diagnostics and check vent valve operation. Clean or replace vent valve.
Pressure is being read abnormally high by pressure transducer. Chamber Pressure Display Screen. Replace PC board, if necessary.
Display / Symptom Cause Check Action

C660: POWER UP MODE PRESSURE HARDWARE

ITEMS NOT STERILE TURN POWER OFF/ON

A/D converter reports a gauge pressure input value outside the normal limits.

 Electrical interruption. If error is intermittent. None. Ignore code.
PC Board malfunctioning. If error is persistent, then a problem exist. Replace PC board, if necessary.
Display / Symptom Cause Check Action

C661: SELECT MODE PRESSURE HARDWARE

ITEMS NOT STERILE TURN POWER OFF/ON

A/D converter reports a gauge pressure input value outside the normal limits.

 Electrical interruption. If error is intermittent. None. Ignore code.
PC Board malfunctioning. If error is persistent, then a problem exist. Replace PC board, if necessary.
Display / Symptom Cause Check Action

C662: CLOSE MODE PRESSURE HARDWARE

ITEMS NOT STERILE TURN POWER OFF/ON

A/D converter reports a gauge pressure input value outside the normal limits.

 Electrical interruption. If error is intermittent. None. Ignore code.
PC Board malfunctioning. If error is persistent, then a problem exist. Replace PC board, if necessary.
Display / Symptom Cause Check Action

C663: HEAT UP MODE PRESSURE HARDWARE

ITEMS NOT STERILE TURN POWER OFF/ON

A/D converter reports a gauge pressure input value outside the normal limits.

 Electrical interruption. If error is intermittent. None. Ignore code.
PC Board malfunctioning. If error is persistent, then a problem exist. Replace PC board, if necessary.
Display / Symptom Cause Check Action

C664: STERILIZE MODE PRESSURE HARDWARE

ITEMS NOT STERILE TURN POWER OFF/ON

A/D converter reports a gauge pressure input value outside the normal limits.

 Electrical interruption. If error is intermittent. None. Ignore code.
PC Board malfunctioning. If error is persistent, then a problem exist. Replace PC board, if necessary.
Display / Symptom Cause Check Action

C665: VENT MODE PRESSURE HARDWARE

ITEMS NOT STERILE TURN POWER OFF/ON

A/D converter reports a gauge pressure input value outside the normal limits.

 Electrical interruption. If error is intermittent. None. Ignore code.
PC Board malfunctioning. If error is persistent, then a problem exist. Replace PC board, if necessary.
Display / Symptom Cause Check Action

C666: OPEN MODE PRESSURE HARDWARE

ITEMS NOT STERILE TURN POWER OFF/ON

A/D converter reports a gauge pressure input value outside the normal limits.

 Electrical interruption. If error is intermittent. None. Ignore code.
PC Board malfunctioning. If error is persistent, then a problem exist. Replace PC board, if necessary.
Display / Symptom Cause Check Action

C667: DRY MODE PRESSURE HARDWARE

ITEMS NOT STERILE TURN POWER OFF/ON

A/D converter reports a gauge pressure input value outside the normal limits.

 Electrical interruption. If error is intermittent. None. Ignore code.
PC Board malfunctioning. If error is persistent, then a problem exist. Replace PC board, if necessary.
Display / Symptom Cause Check Action

C668: COMPLETE MODE PRESSURE HARDWARE

ITEMS NOT STERILE TURN POWER OFF/ON

A/D converter reports a gauge pressure input value outside the normal limits.

 Electrical interruption. If error is intermittent. None. Ignore code.
PC Board malfunctioning. If error is persistent, then a problem exist. Replace PC board, if necessary.
Display / Symptom Cause Check Action

C670: POWER UP MODE PRESSURE OVER LIMIT

ITEMS NOT STERILE TURN POWER OFF/ON

Gauge chamber pressure greater than 40 PSI (275.8 kPa)

 Steam not being released from chamber. Check for obstruction in plastic tube connecting unit to external condensing tank Unkink plastic tube, remove obstruction, or replace.
Check copper coil in external condensing tank for blockage or damage. Clear obstruction or replace copper coil.
Check vent port in chamber for blockage. Check filter for blockage. Clear obstruction in vent port. Clean or replace filter.
Check vent valve for blockage. Put unit into Service Diagnostics and check vent valve operation. Clean or replace vent valve.
Chamber temperature sensor not functioning properly. Temperature Sensor Resistance Test. Clean or replace chamber temperature sensor.
Boiler temperature sensor not functioning properly. Temperature Sensor Resistance Test. Replace boiler temperature sensor.
PC Board is not processing temperature input(s) properly. Verify temperature sensors are working properly. Replace PC board, if necessary.
Display / Symptom Cause Check Action

C671: SELECT MODE PRESSURE OVER LIMIT

ITEMS NOT STERILE TURN POWER OFF/ON

Gauge chamber pressure greater than 40 PSI (275.8 kPa)

 Steam not being released from chamber. Check for obstruction in plastic tube connecting unit to external condensing tank Unkink plastic tube, remove obstruction, or replace.
Check copper coil in external condensing tank for blockage or damage. Clear obstruction or replace copper coil.
Check vent port in chamber for blockage. Check filter for blockage. Clear obstruction in vent port. Clean or replace filter.
Check vent valve for blockage. Put unit into Service Diagnostics and check vent valve operation. Clean or replace vent valve.
Chamber temperature sensor not functioning properly. Temperature Sensor Resistance Test. Clean or replace chamber temperature sensor.
Boiler temperature sensor not functioning properly. Temperature Sensor Resistance Test. Replace boiler temperature sensor.
PC Board is not processing temperature input(s) properly. Verify temperature sensors are working properly. Replace PC board, if necessary.
Display / Symptom Cause Check Action

C673: HEAT UP MODE PRESSURE OVER LIMIT

ITEMS NOT STERILE TURN POWER OFF/ON

Gauge chamber pressure greater than 40 PSI (275.8 kPa)

 Steam not being released from chamber. Check for obstruction in plastic tube connecting unit to external condensing tank Unkink plastic tube, remove obstruction, or replace.
Check copper coil in external condensing tank for blockage or damage. Clear obstruction or replace copper coil.
Check vent port in chamber for blockage. Check filter for blockage. Clear obstruction in vent port. Clean or replace filter.
Check vent valve for blockage. Put unit into Service Diagnostics and check vent valve operation. Clean or replace vent valve.
Chamber temperature sensor not functioning properly. Temperature Sensor Resistance Test. Clean or replace chamber temperature sensor.
Boiler temperature sensor not functioning properly. Temperature Sensor Resistance Test. Replace boiler temperature sensor.
PC Board is not processing temperature input(s) properly. Verify temperature sensors are working properly. Replace PC board, if necessary.
Display / Symptom Cause Check Action

C674: STERILIZE MODE PRESSURE OVER LIMIT

ITEMS NOT STERILE TURN POWER OFF/ON

Gauge chamber pressure greater than 40 PSI (275.8 kPa)

 Steam not being released from chamber. Check for obstruction in plastic tube connecting unit to external condensing tank Unkink plastic tube, remove obstruction, or replace.
Check copper coil in external condensing tank for blockage or damage. Clear obstruction or replace copper coil.
Check vent port in chamber for blockage. Check filter for blockage. Clear obstruction in vent port. Clean or replace filter.
Check vent valve for blockage. Put unit into Service Diagnostics and check vent valve operation. Clean or replace vent valve.
Chamber temperature sensor not functioning properly. Temperature Sensor Resistance Test. Clean or replace chamber temperature sensor.
Boiler temperature sensor not functioning properly. Temperature Sensor Resistance Test. Replace boiler temperature sensor.
PC Board is not processing temperature input(s) properly. Verify temperature sensors are working properly. Replace PC board, if necessary.
Display / Symptom Cause Check Action

C675: VENT MODE PRESSURE OVER LIMIT

ITEMS NOT STERILE TURN POWER OFF/ON

Gauge chamber pressure greater than 40 PSI (275.8 kPa)

 Steam not being released from chamber. Check for obstruction in plastic tube connecting unit to external condensing tank Unkink plastic tube, remove obstruction, or replace.
Check copper coil in external condensing tank for blockage or damage. Clear obstruction or replace copper coil.
Check vent port in chamber for blockage. Check filter for blockage. Clear obstruction in vent port. Clean or replace filter.
Check vent valve for blockage. Put unit into Service Diagnostics and check vent valve operation. Clean or replace vent valve.
Chamber temperature sensor not functioning properly. Temperature Sensor Resistance Test. Clean or replace chamber temperature sensor.
Boiler temperature sensor not functioning properly. Temperature Sensor Resistance Test. Replace boiler temperature sensor.
PC Board is not processing temperature input(s) properly. Verify temperature sensors are working properly. Replace PC board, if necessary.