Dishwasher shows E20 and may not start or may stop unexpectedly; sometimes associated with motor or pump issues.
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
How to Fix / Troubleshooting
Safety first: Disconnect mains power immediately. Do not repeatedly reset and restart, as this can worsen board damage.
- Smell and visual check: Remove the kick plate and inspect the control board housing for burnt smell or visible damage.
- Check pumps for shorts (experienced users): Disconnect the circulation and drain pump connectors and measure resistance across their terminals. Very low resistance or a direct short indicates a failed motor.
- Inspect wiring: Look for pinched or melted wires along the pump circuits.
E20 typically indicates a serious electronic fault. The affected pump and/or control board will need replacement by a qualified technician.
Repair Difficulty
Required Part
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