ERROR CODE C643: HEATUP MODE

This Troubleshooting Guide is applicable for the following Midmark Autoclave Model Numbers: M9-020 thru -022, M9D-020 thru -022, M11-020 thru -022, M11D-020 thru -022
 

Notice Green LCD Display

 


If Your Midmark has a Green LCD Display as shown above, then this is the right guide for you

 




Midmark M9 & M11 C643: HEATUP MODE




Display/Symptom Cause What to Check Solution
C643: HEATUP MODE
PRESSURE HIGH
ITEMS NOT STERILE

PUSH STOP TO RESTART		 Temperature sensor malfunctioning Be sure there is nothing touching the temperature sensor. (Example: trays, pouches, cassettes, etc) Reposition items so nothing touches the temperature sensor
Check the temperature sensor probe for corrosion or residue Clean the temperature sensor with Mid-Clean™ Part #MIC143-6907 and distilled water
Perform Temperature Sensor Testing Follow instructions in test procedures
Air Valve malfunctioning The Air Valve should energize (open) three times during the Heat Up mode to purge air from the chamber Perform: Air Valve Testing Follow instructions in test procedures
Check for debris in Air Valve and related tubing and fittings Clean or replace the Air Valve.

Click Here for the Midmark M9 Air Valve Assembly Part #MIV118-4043

Click here for the Midmark M11 Air Valve Assembly Part #MIV118-4044

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