E4
Electrolux
Overflow / Leak Detection Error
Dishwasher shows E4 and may leak or overfill.
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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
Leaking hose or component causing base pan to fill, Stuck inlet valve allowing overfill, Blocked pressure sensor hose, Faulty float switch in base
How to Fix / Troubleshooting
Safety first: Turn off power and close the water supply immediately.
- Check for leaks: Pull the dishwasher out and inspect the base pan for water. Dry it completely with towels.
- Inspect hoses and clamps: Check inlet, drain, and circulation hoses for cracks or loose clamps. Tighten or replace as needed.
- Test float switch: Locate the float switch in the base and ensure it moves freely. Clean and dry the area.
- Monitor refill: After drying and reassembly, restore power and water, then run a short cycle while watching for leaks. Replace any leaking component.
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Repair Difficulty
Hard
4/5
Required Part
Electrolux Float Switch
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