Telefunken Unresponsive Keypad / Touch Panel

Microwave keypad buttons do not respond or respond only sometimes; display is on.

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

Worn membrane keypad, Loose keypad ribbon cable, Liquid ingress into control panel, Faulty control PCB input circuit

Safety first: Unplug the microwave.

Check for child lock: Ensure the child lock is not enabled (usually indicated by a lock icon). Disable according to the Telefunken manual.
Clean panel surface: Wipe the keypad gently to remove grease and residue.
Inspect ribbon cable: Remove the control panel and reseat the keypad ribbon cable into the control board connector.
Replace keypad: If certain keys never work, replace the membrane keypad or entire control panel assembly.

Medium 3/5

Membrane Keypad

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