Hello,
We are trying to diagnose a Kitchenaid refrigerator wherein the fresh food appears to be holding temperature, but the freezer is warm. The evaporator has no frost on it at all.
We opened up the control board section and noticed that there were four boards, thinking that perhaps the one that controls the freezer had burned out. We did not see any visual signs of failure, and were honestly not sure which board would be the correct one.
We are at a loss as to where to start to diagnose this unit – any advice is appreciated!
- Guest asked 7 years ago
Hello
You will need to run the unit through the diagnostics mode to see if there are any stored error codes. I have also provided you with a service bulletin for the sealed system evaporator leaking issue. If you run the unit through the diagnostics with no errors you will need to tap the system and check the refrigerant charge, you may have an evaporator leak. See the complete technician diagnostics guide below in the link. Matt Ace technician
To ENTER SERVICE DIAGNOSTICS Mode:
Press SW1 and SW2 simultaneously for 3 seconds. Release both buttons when you hear the CHIME indicator.
Unit must not be in Lockout prior to entering SERVICE DIAGNOSTIC MODE.
The display will show 01 to indicate the control is in step 1 of the diagnostics routine.
To EXIT SERVICE DIAGNOSTICS Mode: do one of the following 3 options:
• Press SW1 and SW2 simultaneously for 3 seconds.
• Disconnect the product from power.
• Allow 20 minutes to pass.
Following the exit of the diagnostic mode, the controls will then resume normal operation.
- AV Repair Help answered 7 years ago
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