E5B
Frigidaire
Motor Control Temperature Sensor Fault
Washer shows E5B; motor control temperature sensor 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
Failed temperature sensor on motor control board, Faulty motor control board, Poor board mounting causing overheating
How to Fix / Troubleshooting
Safety first: Disconnect power before servicing electronics.
- Inspect motor control board: Remove the board and look for an onboard temperature sensor (often a small thermistor). If physically damaged, replace the board.
- Check mounting and airflow: Ensure the board is mounted correctly with any heat sinks in place and that airflow is not obstructed.
- Replace motor control board: If E5B persists and no external cause is found, replace the motor control board with the correct Frigidaire part.
- Verify with test cycle: Reassemble and run a full wash to confirm normal operation and that E5B is cleared.
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Repair Difficulty
Medium
3/5
Required Part
Motor Control Board
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