Microwave trips the household circuit breaker or blows the fuse when starting a cook cycle.
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: Repeatedly resetting a breaker or replacing fuses without fixing the cause is dangerous. Unplug the microwave and do not use it until repaired.
User-level checks:
- 1. Verify dedicated circuit: Ensure the microwave is on a properly rated circuit and not sharing with high-load appliances.
- 2. Inspect cord and plug: Look for burn marks or melted plastic. If damaged, the unit must be serviced.
Technician-level summary: Inspect and test HV capacitor, diode, magnetron, and line filter for shorts; replace defective components with OEM Midea parts.
Repair Difficulty
Required Part
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