E30
Little Swan
Door Lock Circuit Error
Washer shows E30 and will not start; door may not lock properly.
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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
Shorted or open door lock coil, Damaged door lock wiring, Faulty main PCB door lock driver, Moisture in door lock connector
How to Fix / Troubleshooting
Safety first: Unplug the washer before accessing the door lock or control board.
- Inspect door lock assembly: Access the lock by removing the front gasket clamp. Check for visible damage, corrosion, or moisture. Dry the area thoroughly if wet.
- Check wiring continuity: Use a multimeter to test continuity from the door lock connector to the main PCB connector. Repair any open circuits.
- Measure lock coil: Test resistance across the lock coil terminals. Replace the lock if the coil is open or shorted.
- Control board evaluation: If the lock and wiring are good, the PCB’s lock driver circuit may be faulty and the board should be replaced.
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Repair Difficulty
Hard
4/5
Required Part
Door Lock Assembly
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