E43
AEG
Door Lock Triac / Control Fault
Washer-dryer will not start or stops with E43, often related to door locking/unlocking issues.
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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 door lock coil, Short circuit in door lock wiring, Failed triac on main control board, Moisture damage on PCB
How to Fix / Troubleshooting
Safety: Unplug the appliance before inspecting electronics.
- Check door lock coil: Measure resistance across the lock coil. A very low or infinite reading indicates a fault; replace the AEG door lock.
- Inspect wiring: Look for chafed or shorted wires between the lock and PCB. Repair any damage.
- Assess control board: If the lock and wiring are good, the door lock driver circuit on the PCB is likely damaged. Replace the main control board or have it professionally repaired.
Because this involves mains-voltage control components, professional service is strongly recommended.
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Repair Difficulty
Professional Required
5/5
Required Part
Main Control Board (AEG PCB)
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