M3 Sterilizer General System Error Codes: C533 to C578 Troubleshooting

C533: Heatup Mode

Display / Symptom	Cause	Check	Action
C53X: XXXX MODE STEAM TEMP LOW ITEMS NOT STERILE TURN POWER OFF/ON During heatup mode, sterilization mode is not reached within 15 minutes. During Sterilization Mode, steam temperature drops to a point less than or equal to the set point chosen during Select Cycle Mode.	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.
	PC Board is not processing temperature input(s) properly.	Verify boiler and chamber temperature sensors are working properly.	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.

C534: Sterilize Mode

Display / Symptom	Cause	Check	Action
C534: XXXX MODE STEAM TEMP LOW ITEMS NOT STERILE TURN POWER OFF/ON During heatup mode, sterilization mode is not reached within 15 minutes. During Sterilization Mode, steam temperature drops to a point less than or equal to the set point chosen during Select Cycle Mode.	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.
	PC Board is not processing temperature input(s) properly.	Verify boiler and chamber temperature sensors are working properly.	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.

C540: Power Up Mode

Display / Symptom	Cause	Check	Action
C540: POWER UP MODE STEAM TEMP HIGH ITEMS NOT STERILE TURN POWER OFF/ON During Sterilization Mode, steam temperature rises to a point greater than or equal to the set point + 8° F.	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 boiler and chamber temperature sensors are working properly	Replace PC board, if necessary.

C544: Sterilize Mode

Display / Symptom	Cause	Check	Action
C544: STERILIZE MODE STEAM TEMP HIGH ITEMS NOT STERILE TURN POWER OFF/ON During Sterilization Mode, steam temperature rises to a point greater than or equal to the set point + 8° F.	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 boiler and chamber temperature sensors are working properly	Replace PC board, if necessary.

C546: Open Mode

Display / Symptom	Cause	Check	Action
C546: OPEN MODE STEAM TEMP HIGH ITEMS NOT STERILE TURN POWER OFF/ON During Sterilization Mode, steam temperature rises to a point greater than or equal to the set point + 8° F.	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 boiler and chamber temperature sensors are working properly	Replace PC board, if necessary.

C560: Power Up Mode

Display / Symptom	Cause	Check	Action
C560: POWER UP MODE STEAM TEMP HARDWARE ITEMS NOT STERILE TURN POWER OFF/ON A/D converter on PC Board reports a steam temperature input value outside the normal limits.	Chamber temperature sensor disconnected from PC Board.	Check chamber temperature sensor wire connection at J11 on PC board.	Secure wire connection.
Chamber temperature sensor not functioning properly.	Temperature Sensor Resistance Test.	Clean or replace chamber temperature sensor.
PC Board is not processing temperature input(s) properly	Verify chamber temperature sensor is working properly.	Replace PC board, if necessary.

Display / Symptom

Cause

Check

Action

C560: POWER UP MODE STEAM TEMP HARDWARE

ITEMS NOT STERILE TURN POWER OFF/ON

A/D converter on PC Board reports a steam temperature input value outside the normal limits.

Chamber temperature sensor disconnected from PC Board.

Check chamber temperature sensor wire connection at J11 on PC board.

Secure wire connection.

Chamber temperature sensor not functioning properly.

Temperature Sensor Resistance Test.

Clean or replace chamber temperature sensor.

PC Board is not processing temperature input(s) properly

Verify chamber temperature sensor is working properly.

Replace PC board, if necessary.

C561: Select Mode

Display / Symptom	Cause	Check	Action
C561: SELECT MODE STEAM TEMP HARDWARE ITEMS NOT STERILE TURN POWER OFF/ON A/D converter on PC Board reports a steam temperature input value outside the normal limits.	Chamber temperature sensor disconnected from PC Board.	Check chamber temperature sensor wire connection at J11 on PC board.	Secure wire connection.
Chamber temperature sensor not functioning properly.	Temperature Sensor Resistance Test.	Clean or replace chamber temperature sensor.
PC Board is not processing temperature input(s) properly	Verify chamber temperature sensor is working properly.	Replace PC board, if necessary.

Display / Symptom

Cause

Check

Action

C561: SELECT MODE STEAM TEMP HARDWARE

ITEMS NOT STERILE TURN POWER OFF/ON

A/D converter on PC Board reports a steam temperature input value outside the normal limits.

Chamber temperature sensor disconnected from PC Board.

Check chamber temperature sensor wire connection at J11 on PC board.

Secure wire connection.

Chamber temperature sensor not functioning properly.

Temperature Sensor Resistance Test.

Clean or replace chamber temperature sensor.

PC Board is not processing temperature input(s) properly

Verify chamber temperature sensor is working properly.

Replace PC board, if necessary.

C562: Close Mode

Display / Symptom	Cause	Check	Action
C562: CLOSE MODE STEAM TEMP HARDWARE ITEMS NOT STERILE TURN POWER OFF/ON A/D converter on PC Board reports a steam temperature input value outside the normal limits.	Chamber temperature sensor disconnected from PC Board.	Check chamber temperature sensor wire connection at J11 on PC board.	Secure wire connection.
Chamber temperature sensor not functioning properly.	Temperature Sensor Resistance Test.	Clean or replace chamber temperature sensor.
PC Board is not processing temperature input(s) properly	Verify chamber temperature sensor is working properly.	Replace PC board, if necessary.

Display / Symptom

Cause

Check

Action

C562: CLOSE MODE STEAM TEMP HARDWARE

ITEMS NOT STERILE TURN POWER OFF/ON

A/D converter on PC Board reports a steam temperature input value outside the normal limits.

Chamber temperature sensor disconnected from PC Board.

Check chamber temperature sensor wire connection at J11 on PC board.

Secure wire connection.

Chamber temperature sensor not functioning properly.

Temperature Sensor Resistance Test.

Clean or replace chamber temperature sensor.

PC Board is not processing temperature input(s) properly

Verify chamber temperature sensor is working properly.

Replace PC board, if necessary.

C563: Heatup Mode

Display / Symptom	Cause	Check	Action
C563: HEATUP MODE STEAM TEMP HARDWARE ITEMS NOT STERILE TURN POWER OFF/ON A/D converter on PC Board reports a steam temperature input value outside the normal limits.	Chamber temperature sensor disconnected from PC Board.	Check chamber temperature sensor wire connection at J11 on PC board.	Secure wire connection.
Chamber temperature sensor not functioning properly.	Temperature Sensor Resistance Test.	Clean or replace chamber temperature sensor.
PC Board is not processing temperature input(s) properly	Verify chamber temperature sensor is working properly.	Replace PC board, if necessary.

Display / Symptom

Cause

Check

Action

C563: HEATUP MODE STEAM TEMP HARDWARE

ITEMS NOT STERILE TURN POWER OFF/ON

A/D converter on PC Board reports a steam temperature input value outside the normal limits.

Chamber temperature sensor disconnected from PC Board.

Check chamber temperature sensor wire connection at J11 on PC board.

Secure wire connection.

Chamber temperature sensor not functioning properly.

Temperature Sensor Resistance Test.

Clean or replace chamber temperature sensor.

PC Board is not processing temperature input(s) properly

Verify chamber temperature sensor is working properly.

Replace PC board, if necessary.

C564: Sterilize Mode

Display / Symptom	Cause	Check	Action
C564: STERILIZE MODE STEAM TEMP HARDWARE ITEMS NOT STERILE TURN POWER OFF/ON A/D converter on PC Board reports a steam temperature input value outside the normal limits.	Chamber temperature sensor disconnected from PC Board.	Check chamber temperature sensor wire connection at J11 on PC board.	Secure wire connection.
Chamber temperature sensor not functioning properly.	Temperature Sensor Resistance Test.	Clean or replace chamber temperature sensor.
PC Board is not processing temperature input(s) properly	Verify chamber temperature sensor is working properly.	Replace PC board, if necessary.

Display / Symptom

Cause

Check

Action

C564: STERILIZE MODE STEAM TEMP HARDWARE

ITEMS NOT STERILE TURN POWER OFF/ON

A/D converter on PC Board reports a steam temperature input value outside the normal limits.

Chamber temperature sensor disconnected from PC Board.

Check chamber temperature sensor wire connection at J11 on PC board.

Secure wire connection.

Chamber temperature sensor not functioning properly.

Temperature Sensor Resistance Test.

Clean or replace chamber temperature sensor.

PC Board is not processing temperature input(s) properly

Verify chamber temperature sensor is working properly.

Replace PC board, if necessary.

C565: Vent Mode

Display / Symptom	Cause	Check	Action
C565: VENT MODE STEAM TEMP HARDWARE ITEMS NOT STERILE TURN POWER OFF/ON A/D converter on PC Board reports a steam temperature input value outside the normal limits.	Chamber temperature sensor disconnected from PC Board.	Check chamber temperature sensor wire connection at J11 on PC board.	Secure wire connection.
Chamber temperature sensor not functioning properly.	Temperature Sensor Resistance Test.	Clean or replace chamber temperature sensor.
PC Board is not processing temperature input(s) properly	Verify chamber temperature sensor is working properly.	Replace PC board, if necessary.

Display / Symptom

Cause

Check

Action

C565: VENT MODE STEAM TEMP HARDWARE

ITEMS NOT STERILE TURN POWER OFF/ON

A/D converter on PC Board reports a steam temperature input value outside the normal limits.

Chamber temperature sensor disconnected from PC Board.

Check chamber temperature sensor wire connection at J11 on PC board.

Secure wire connection.

Chamber temperature sensor not functioning properly.

Temperature Sensor Resistance Test.

Clean or replace chamber temperature sensor.

PC Board is not processing temperature input(s) properly

Verify chamber temperature sensor is working properly.

Replace PC board, if necessary.

C566: Open Mode

Display / Symptom	Cause	Check	Action
C566: OPEN MODE STEAM TEMP HARDWARE ITEMS NOT STERILE TURN POWER OFF/ON A/D converter on PC Board reports a steam temperature input value outside the normal limits.	Chamber temperature sensor disconnected from PC Board.	Check chamber temperature sensor wire connection at J11 on PC board.	Secure wire connection.
Chamber temperature sensor not functioning properly.	Temperature Sensor Resistance Test.	Clean or replace chamber temperature sensor.
PC Board is not processing temperature input(s) properly	Verify chamber temperature sensor is working properly.	Replace PC board, if necessary.

Display / Symptom

Cause

Check

Action

C566: OPEN MODE STEAM TEMP HARDWARE

ITEMS NOT STERILE TURN POWER OFF/ON

A/D converter on PC Board reports a steam temperature input value outside the normal limits.

Chamber temperature sensor disconnected from PC Board.

Check chamber temperature sensor wire connection at J11 on PC board.

Secure wire connection.

Chamber temperature sensor not functioning properly.

Temperature Sensor Resistance Test.

Clean or replace chamber temperature sensor.

PC Board is not processing temperature input(s) properly

Verify chamber temperature sensor is working properly.

Replace PC board, if necessary.

C567: Dry Mode

Display / Symptom	Cause	Check	Action
C567: DRY MODE STEAM TEMP HARDWARE ITEMS NOT STERILE TURN POWER OFF/ON A/D converter on PC Board reports a steam temperature input value outside the normal limits.	Chamber temperature sensor disconnected from PC Board.	Check chamber temperature sensor wire connection at J11 on PC board.	Secure wire connection.
Chamber temperature sensor not functioning properly.	Temperature Sensor Resistance Test.	Clean or replace chamber temperature sensor.
PC Board is not processing temperature input(s) properly	Verify chamber temperature sensor is working properly.	Replace PC board, if necessary.

Display / Symptom

Cause

Check

Action

C567: DRY MODE STEAM TEMP HARDWARE

ITEMS NOT STERILE TURN POWER OFF/ON

A/D converter on PC Board reports a steam temperature input value outside the normal limits.

Chamber temperature sensor disconnected from PC Board.

Check chamber temperature sensor wire connection at J11 on PC board.

Secure wire connection.

Chamber temperature sensor not functioning properly.

Temperature Sensor Resistance Test.

Clean or replace chamber temperature sensor.

PC Board is not processing temperature input(s) properly

Verify chamber temperature sensor is working properly.

Replace PC board, if necessary.

C568: Complete Mode

Display / Symptom	Cause	Check	Action
C568: COMPLETE MODE STEAM TEMP HARDWARE ITEMS NOT STERILE TURN POWER OFF/ON A/D converter on PC Board reports a steam temperature input value outside the normal limits.	Chamber temperature sensor disconnected from PC Board.	Check chamber temperature sensor wire connection at J11 on PC board.	Secure wire connection.
Chamber temperature sensor not functioning properly.	Temperature Sensor Resistance Test.	Clean or replace chamber temperature sensor.
PC Board is not processing temperature input(s) properly	Verify chamber temperature sensor is working properly.	Replace PC board, if necessary.

Display / Symptom

Cause

Check

Action

C568: COMPLETE MODE STEAM TEMP HARDWARE

ITEMS NOT STERILE TURN POWER OFF/ON

A/D converter on PC Board reports a steam temperature input value outside the normal limits.

Chamber temperature sensor disconnected from PC Board.

Check chamber temperature sensor wire connection at J11 on PC board.

Secure wire connection.

Chamber temperature sensor not functioning properly.

Temperature Sensor Resistance Test.

Clean or replace chamber temperature sensor.

PC Board is not processing temperature input(s) properly

Verify chamber temperature sensor is working properly.

Replace PC board, if necessary.

C570: Power Up Mode

Display / Symptom	Cause	Check	Action
C570: POWER UP MODE STEAM TEMP OVER LIMIT ITEMS NOT STERILE TURN POWER OFF/ON Steam temperature greater than 285° F (140.6° C)	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 boiler and chamber temperature sensors are working properly.	Replace PC board, if necessary.

C571: Select Mode

Display / Symptom	Cause	Check	Action
C571: SELECT MODE STEAM TEMP OVER LIMIT ITEMS NOT STERILE TURN POWER OFF/ON Steam temperature greater than 285° F (140.6° C)	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 boiler and chamber temperature sensors are working properly.	Replace PC board, if necessary.

C572: Close Mode

Display / Symptom	Cause	Check	Action
C572: CLOSE MODE STEAM TEMP OVER LIMIT ITEMS NOT STERILE TURN POWER OFF/ON Steam temperature greater than 285° F (140.6° C)	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 boiler and chamber temperature sensors are working properly.	Replace PC board, if necessary.

C573: Heat Up Mode

Display / Symptom	Cause	Check	Action
C573: HEAT UP MODE STEAM TEMP OVER LIMIT ITEMS NOT STERILE TURN POWER OFF/ON Steam temperature greater than 285° F (140.6° C)	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 boiler and chamber temperature sensors are working properly.	Replace PC board, if necessary.

C574: Sterilize Mode

Display / Symptom	Cause	Check	Action
C574: STERILIZE MODE STEAM TEMP OVER LIMIT ITEMS NOT STERILE TURN POWER OFF/ON Steam temperature greater than 285° F (140.6° C)	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 boiler and chamber temperature sensors are working properly.	Replace PC board, if necessary.

C575: Vent Mode

Display / Symptom	Cause	Check	Action
C575: VENT MODE STEAM TEMP OVER LIMIT ITEMS NOT STERILE TURN POWER OFF/ON Steam temperature greater than 285° F (140.6° C)	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 boiler and chamber temperature sensors are working properly.	Replace PC board, if necessary.

C576: Open Mode

Display / Symptom	Cause	Check	Action
C576: OPEN MODE STEAM TEMP OVER LIMIT ITEMS NOT STERILE TURN POWER OFF/ON Steam temperature greater than 285° F (140.6° C)	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 boiler and chamber temperature sensors are working properly.	Replace PC board, if necessary.

C577: Dry Mode

Display / Symptom	Cause	Check	Action
C577: DRY MODE STEAM TEMP OVER LIMIT ITEMS NOT STERILE TURN POWER OFF/ON Steam temperature greater than 285° F (140.6° C)	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 boiler and chamber temperature sensors are working properly.	Replace PC board, if necessary.

C578: Complete Mode

Display / Symptom	Cause	Check	Action
C578: COMPLETE MODE STEAM TEMP OVER LIMIT ITEMS NOT STERILE TURN POWER OFF/ON Steam temperature greater than 285° F (140.6° C)	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 boiler and chamber temperature sensors are working properly.	Replace PC board, if necessary.

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M3 Sterilizer General System Error Codes: C533 to C578 Troubleshooting