F71
Kenmore
User Interface to Control Board Mismatch or Communication Error
Dryer shows F71 and may not start or respond correctly to controls
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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
Incorrect replacement UI or control board, incompatible firmware versions, damaged communication harness, failed UI or main control
How to Fix / Troubleshooting
Safety First: Disconnect power before servicing the console.
Steps:
- Verify part numbers: Confirm that any recently replaced UI or main control board matches the exact Kenmore model and revision.
- Reseat connectors: Unplug and reconnect the UI-to-control harness, ensuring a snug fit.
- Inspect harness: Look for pinched or damaged wires between the console and main control.
- Replace incorrect parts: If an incompatible board was installed, replace it with the correct OEM part.
- Board diagnosis: If all parts are correct and wiring is good, either the UI or main control may be defective and require replacement.
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Repair Difficulty
Hard
4/5
Required Part
Main Control Board
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