GE Control Board Power Supply Instability

Microwave clock loses time or resets intermittently without a PF code.

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

Loose power cord connection, Fluctuating household voltage, Failing control board capacitor, Faulty internal low-voltage power supply

Safety: Unplug the microwave before inspecting the cord.

Check outlet and plug: Ensure the plug fits snugly in the outlet and the outlet is not loose.
Dedicated circuit: Avoid sharing the microwave circuit with large appliances that may cause voltage dips.
Surge protection: Use a surge protector rated for microwave use if recommended by GE.
Control board replacement: If the issue persists with stable power, the main control board may need replacement.

Medium 3/5

Main Control Board

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