GE Appliances · Air Conditioning
The installed jumper cap model does not match the main board. This error is indicated by 'C4' on the ODU main board LED display.
Click steps to track your progress.
Verify that a jumper cap is installed in the correct location ('JUMP' printing on the main board).
Ensure the correct model of jumper cap is being used.
If the jumper cap is correct and installed, the detecting circuit may be abnormal. Contact support.