F6E4
Whirlpool
Float Switch / Overfill Protection Activated
Dishwasher shows F6E4; unit may stop mid-cycle and drain; sometimes water is found in the base pan.
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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
Leak into base pan triggering float, Stuck float switch, Over-sudsing from wrong detergent
How to Fix / Troubleshooting
Safety First: Disconnect power and avoid further use until the leak source is identified.
- Check for leaks: Remove the toe-kick panel and inspect the base pan for water. If water is present, carefully sponge it out.
- Inspect float switch: Locate the safety float in the base pan. Ensure it moves freely and is not stuck in the up position.
- Look for leak sources: Run a short cycle while observing underneath (use caution around live wiring). Common leak points include the door gasket, sump seal, diverter seal, and inlet hose connections.
- Correct detergent use: Make sure you are using only dishwasher detergent (not dish soap) and not overfilling the dispenser. Excess suds can cause overfill conditions.
- Repair leaks: Replace any leaking seals or hoses before returning the dishwasher to service.
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Repair Difficulty
Hard
4/5
Required Part
Float Switch / Base Pan Float and Associated Seals
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