E11
Westinghouse
Control Panel / User Interface Communication Fault
Error E11; alarm may sound and temperature may drift high or low.
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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 ribbon cable between UI and main board, Corroded connectors, Damaged control panel PCB, Failed main control board communication circuit
How to Fix / Troubleshooting
Safety: Unplug the freezer before removing the control panel or top cover.
Steps:
- Access control panel: On upright models, remove the screws securing the top/front control panel. Carefully pull it forward.
- Inspect ribbon cable: Check the flat cable between the user interface and main control board. Look for kinks, cracks, or corrosion at the connectors.
- Reseat connectors: Disconnect and reconnect the ribbon cable at both ends to clean the contacts.
- Check for moisture damage: Look for signs of condensation or liquid spills on the control board. If present, the board may be damaged.
- Replace faulty board: If reseating cables does not clear E11, replace the user interface board first. If the error persists, replace the main control board.
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Repair Difficulty
Medium
3/5
Required Part
User Interface Control Board
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