KEY PAD ERROR
Cause
When the error code F-3 shows but you can not use any button, the Main PCB doesn’t receive any touch signal.
Solution
Check the connections between the door harness and PCB assembly, reseat.
You may need to replace keypad PCB.
DETAILS BELOW:
Touch Pad Issues
No input.
Some keys wont work.
Random selections instead of intended ones.
Display is stuck and won’t accept any input.
Disconnect Power and access the harness between the Touch Pad and Main PCB, inspect for damage, reseat cable.
If there is no damage to harness, and you’ve reseated harness, replace PCB assembly.
