E9Warning
Haier Dishwasher E9 Error Code
The door switch circuit is open or shorted, preventing the dishwasher from starting.
Common causes
- Defective door switch (microswitch)
- Actuator lever broken or misaligned
- Wiring fault to the switch
How to fix it
- Check that the door latch actuator pushes the switch lever fully.
- Test the door switch continuity with a multimeter (should close when pressed).
- Inspect wiring to the switch for breaks or loose connections.
⚠ When to call a pro: If the switch is faulty or wiring damaged, a technician should replace the switch or repair harness.
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Always unplug the appliance (and turn off the water for washers/dishwashers) before inspecting. These guides are for information only and are not a substitute for a professional repair.