Panasonic Control Board Power Retention Issue

Clock or timer loses time or resets randomly.

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

Unstable mains power, Failing backup capacitor on PCB, Loose power connector, Internal control PCB fault

Safety first: Normal operation is safe; unplug before internal work.

Stable outlet: Use a stable outlet and avoid frequent unplugging if you rely on the clock.
Avoid power strips: Plug directly into the wall to reduce voltage drops.
Observe pattern: If resets occur only when other appliances start, consider moving to a different circuit.
PCB service: If the clock resets even with stable power, the control board's backup circuit may be failing and require replacement.

Medium 3/5

Main Control PCB

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