Grundig Intermittent Power / Control Board Fault

Washer-dryer displays random lights or resets mid-cycle without showing a specific error 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 mains connection, Faulty power switch, Overheating control board, Electrical noise from motor or heater

Safety first: Unplug the appliance before inspecting electrical connections.

Check mains plug and socket: Ensure a tight fit and no signs of arcing or burning.
Inspect internal connections: Check the mains terminal block, power switch, and PCB connectors for looseness or heat damage.
Ventilation: Ensure the appliance has adequate ventilation and is not overheating due to being built-in without clearance.
PCB replacement: If resets continue after securing connections, the main PCB may be failing and should be replaced by a technician.

Hard 4/5

Main Control Board (PCB)

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