Frigidaire Intermittent Power or Control Board Fault

Microwave clock and settings reset randomly; unit may beep or restart on its own.

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, Faulty outlet or house wiring, Failing main control board, Loose internal harness connection

Safety First: Use caution when working with electrical outlets.

Steps:

Check plug and outlet: Ensure the plug fits snugly. Try a different outlet on a known-good circuit.
Eliminate power strips: Plug the microwave directly into a wall outlet.
Monitor: If resets continue, internal connections or the Frigidaire main control board may be failing.
Internal inspection: A technician can open the unit, reseat harness connectors, and test the control board for intermittent faults.

Medium 3/5

Main Control Board

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