E-65
Frigidaire Inverter Overcurrent / Overheat Error (inverter models)

Microwave displays E-65 and may not heat properly.

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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

Shorted magnetron, Failing inverter board, Blocked cooling airflow, Overheated thermal cutout

How to Fix / Troubleshooting

Critical Safety Warning: Inverter and magnetron service is hazardous; only professionals should perform it.

User-level steps:

  • Ventilation: Ensure vents are clear and filters are clean.
  • Power reset: Unplug for 10 minutes and retry. If E-65 returns, internal faults are likely.

Technician actions:

  • Test the Frigidaire magnetron, inverter board, and thermal cutouts.
  • Replace the defective component and verify operation.
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Repair Difficulty

Professional Required 5/5

Required Part

Inverter Board
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