V-ZUG User Interface / Start Circuit Fault

Washer will not start; display is on but Start button does nothing and no code appears

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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 active, Faulty Start/Pause button, Door not detected as closed, Control board input fault

How to Fix / Troubleshooting

Safety first: Disconnect power before removing the control panel.

  • 1. Check door and indicators: Ensure the door is closed and any door symbol is solid (not flashing).
  • 2. Child lock: Look for a key or lock symbol on the display. Disable child lock using the specified button combination in the manual.
  • 3. Try different programs: Select another program and press Start to rule out a specific program issue.
  • 4. Inspect control panel: If some buttons are unresponsive, the user interface board or membrane may be faulty. Remove the control panel and check for moisture or corrosion.
  • 5. Replace UI board: Install a new V-ZUG user interface board if the Start button circuit is defective.
  • 6. Technician help: If the UI is good, the main control module may not be recognizing the Start command and should be checked professionally.
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Repair Difficulty

Medium 3/5

Required Part

User Interface Control Board
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