Haier Intermittent power or control board fault

Microwave clock resets or display blanks out 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

Loose power cord connection, Faulty outlet, Failing control board power supply, Loose internal wiring harness

Safety: Unplug the microwave before inspecting cords or internal wiring.

Check outlet: Wiggle the plug gently to see if the display flickers. If so, the outlet may be loose and should be repaired by an electrician.
Try another outlet: Move the microwave to a different outlet and monitor for resets.
Inspect power cord: Look for damage or kinks. Replace if compromised.
Internal wiring (advanced): A technician can inspect and reseat internal connectors on the control board and noise filter.

Medium 3/5

Power Cord / Main Control Board

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