Midea Control Board Power Supply Instability

Microwave clock resets or loses time whenever the door is opened or when cooking finishes.

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

Weak internal power supply capacitors, Loose neutral or line connection, Faulty control board, Electrical noise on supply line

Safety first: Unplug the microwave before internal inspection.

Step-by-step checks:

1. Verify outlet: Test the outlet for proper grounding and stable voltage. Avoid using extension cords.
2. Inspect power cord: Check for damage or loose plug blades.
3. Technician-level repair: A technician can inspect the control board for failing capacitors or poor solder joints and replace the board if necessary.

Hard 4/5

Main Control Board (PCB) for Midea Microwave

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