Proline
User Interface / Control Lock Issue
Washer-dryer powers on but will not start any program; Start button unresponsive, no error code.
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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 function activated, Faulty start/pause button, Defective user interface PCB, Loose ribbon cable between UI and main board
How to Fix / Troubleshooting
Safety first: Unplug the appliance before removing the control panel.
Step-by-step checks:
- Check child lock: Refer to the Proline user manual for the key combination to toggle child lock (often holding two buttons). Disable it and try again.
- Try different programs: Select another cycle and press Start to rule out a specific program fault.
- Inspect control panel: Remove the control fascia and check the start/pause button for mechanical sticking or damage. Clean any detergent residue.
- Check ribbon cable: Ensure the ribbon cable between the UI and main PCB is fully seated and undamaged.
When to call a technician: If the UI board or main PCB is suspected, professional replacement is recommended.
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Repair Difficulty
Medium
3/5
Required Part
User Interface PCB
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