Microwave display works but dims or flickers when cooking.
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
Safety Warning: Electrical issues can be hazardous. If you suspect wiring problems, consult an electrician.
Steps:
- 1. Dedicated outlet: Ensure the microwave is the only major appliance on the circuit.
- 2. Check plug and outlet: Make sure the plug fits snugly and the outlet is not warm to the touch.
- 3. Compare with other loads: If lights in the room also dim significantly, the circuit may be overloaded or undersized.
If only the microwave display flickers and heating performance is poor, internal components such as the transformer or control board may be failing and should be checked by a technician.