Midea Low Voltage / Power Supply Error

Microwave shows F6; display may flicker or go blank intermittently.

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

Defective low-voltage power supply on control board, Loose power connector, Intermittent line voltage, Failing transformer or SMPS module

Safety first: Unplug the microwave before inspection.

Step-by-step checks:

1. Check outlet: Test the wall outlet with another appliance or a meter to ensure stable voltage. Avoid using extension cords.
2. Inspect power cord: Check the Midea microwave power cord for cuts, kinks, or burn marks. Replace if damaged.
3. Internal checks (technician): A technician can inspect the control board's low-voltage supply, test capacitors and regulators, and replace the board if necessary.

Hard 4/5

Main Control Board (PCB) for Midea Microwave

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