Washer shows E34; door lock and water level signals conflict

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.

Possible Causes

Faulty pressure switch giving incorrect level, Door lock not signaling correctly, Wiring fault between lock, pressure switch, and PCB, Control logic error

How to Fix / Troubleshooting

Safety first: Unplug the washer before accessing the door lock or pressure switch.

Steps to check and address E34:

Check door lock operation: See E01 steps to verify the door lock assembly and wiring.
Inspect pressure hose and switch: See E04 steps to ensure accurate water level sensing.
Reseat connectors: On the main PCB, reseat the connectors for the door lock and pressure switch.

When to call a technician: If both components test good, the control board may be misinterpreting signals and should be serviced by Siemens.

Repair Difficulty

Hard 4/5

Required Part

Door Lock Assembly

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