ERROR CODE C565: DOOR OPEN

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 Error Code C565: DOOR OPEN


Display/Symptom Cause What to Check Solution
C565: DOOR OPEN
STEAM TEMP HARDWARE
UNPLUG / REPLUG UNIT

Steam A/D converter reports an average value outside the limits for normal operation during POWER UP mode.		 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 and distilled water. Click here to get Mid-Clean (Part #MIC143-6907)
Check temperature sensor harness connection at J12 on PC board Secure loose or damaged connection
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 Front Leveling Feet, or move the autoclave to a level surface

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