E5C
Frigidaire
Communication Failure Between Main and Motor Control
Washer displays E5C; motor control communication error
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Safety Warning
This repair may involve working with high voltage components or water connections. Always unplug the appliance before removing any panels.
If you are not confident in your ability to perform this repair safely, we strongly recommend contacting a professional technician.
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Possible Causes
Loose communication harness, Failed motor control board, Failed main control board
How to Fix / Troubleshooting
Safety first: Unplug the washer before accessing control boards.
- Reseat communication cables: Locate the harness connecting the main control to the motor control. Disconnect and reconnect both ends, ensuring a firm fit.
- Inspect harness for damage: Look for pinched or cut wires along the route. Repair or replace as needed.
- Replace suspect board: If wiring is intact, replace the motor control board first (most common). If E5C persists, replace the main control board.
- Run diagnostics: After replacement, enter diagnostic mode and run a full test to confirm communication is restored and E5C is cleared.
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Repair Difficulty
Hard
4/5
Required Part
Motor Control Board
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