E5
Maytag
Control Board Internal Error
Microwave displays E5 and may not start or may shut down unexpectedly.
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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 microprocessor on control board, Corrupted firmware, Power surge damage, Shorted low-voltage component
How to Fix / Troubleshooting
Safety first: Disconnect power before any inspection.
Reset:
- Unplug the microwave for 10–15 minutes to allow the control to fully reset.
- Plug back in and test operation.
If E5 returns:
- Inspect the control board area for obvious damage (burn marks, swollen components) if accessible.
- In most cases, the solution is to replace the electronic control board.
Note: Board replacement on over-the-range models may require removing the unit from the wall; consider professional service.
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Repair Difficulty
Hard
4/5
Required Part
Electronic Control Board
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