Problem: Communication error between main control panel and touch panel – variant of PC ER
How to Fix PC CH Error
- Unplug the refrigerator to prevent electrical shock.
- Inspect the wire harness running through the top door hinge for pinched or cut wires.
- If wiring is intact, the Main Control Board is the most likely failure. Replace the Main PCB located on the back of the unit.
Still Not Working?
If the replacement part didn’t fix the issue, you may have a wiring problem or main board failure.
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