Microwave displays E13 and may trip the household breaker when starting.
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.
Possible Causes
How to Fix / Troubleshooting
Critical safety warning: This fault involves high voltage and potential fire risk. Unplug the microwave immediately and do not attempt repeated restarts.
User-level action:
- Do not use the microwave until it has been inspected and repaired.
- If the circuit breaker trips whenever you start the microwave, leave it off and call a technician.
Technician-level outline:
- Inspect internal wiring for obvious shorts to chassis or burnt insulation.
- Test the high-voltage diode, capacitor, and magnetron for shorts using appropriate methods.
- On grill models, test the grill element for correct resistance and insulation to ground.
- Replace any shorted component and verify correct operation with insulation and leakage tests.
Note: Due to the risk of electric shock and fire, this repair should be handled by a qualified Hoover service technician.
Repair Difficulty
Required Part
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