Miele User Interface / Control Lock Issue

Washer-dryer powers on but will not start any program, start button unresponsive

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Safety Warning

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.

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Possible Causes

Child lock (safety lock) activated, Faulty start/pause button, Defective user interface PCB, Software lock-up

How to Fix / Troubleshooting

Safety first: Do not attempt to bypass safety features. Unplug the appliance before removing the control panel.

  • Check child lock: Refer to the user manual to see if a key symbol or lock icon is displayed. Deactivate the child lock using the prescribed button combination.
  • Power reset: Unplug the machine for several minutes to reset the electronics, then try again.
  • Button test: Press other buttons to see if they respond. If only the start button fails, the switch may be worn.
  • Inspect interface board: Remove the control panel and check the PCB for cracked solder joints or moisture damage. Replace the user interface module if defective.
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Repair Difficulty

Medium 3/5

Required Part

User Interface Control Module
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