F8 E4
Bauknecht
Base Float Switch Stuck
Dishwasher shows F8 E4 and the drain pump may run continuously even when tub is empty.
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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
Debris under float in base tray, Warped float, Faulty float microswitch, Corrosion on switch terminals
How to Fix / Troubleshooting
Safety first: Unplug the dishwasher.
- Access float: Remove the bottom panel to access the base tray and float assembly.
- Free the float: Remove any debris or scale preventing the float from dropping. Ensure it moves freely.
- Test switch: Use a multimeter to check the float switch operation. Replace if faulty.
- Re-test: After reassembly, run a cycle to confirm normal operation.
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Repair Difficulty
Medium
3/5
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