ERROR CODE C634: STERILIZE 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 C634: STERILIZE MODE


Display/Symptom Cause What to Check Solution
C634: STERILIZE MODE
PRESSURE LOW

ITEMS NOT STERILE

UNPLUG / REPLUG UNIT 		Pressure leaking from chamber Check for pressure leaks. Click Here To See "How To Find Pressure Leaks" Repair or replace malfunctioning component
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
Sterilizer is not level Check surface where autoclave is located to make sure it is level Level with From Leveling Feet, or move the autoclave to a level surface

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