F6
Asko
Water Level / Overflow Sensor Fault
Dishwasher displays F6; may stop early in the cycle or not start washing at all.
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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
Stuck or faulty float switch, Water in base pan triggering anti-flood device, Blocked overflow chamber or pressure hose, Wiring fault to level sensor
How to Fix / Troubleshooting
Safety: Disconnect power and close the water supply. Be cautious of sharp metal edges when removing panels.
- Check for water in base: Remove the lower front kick panel. Use a flashlight to inspect the base pan. If water is present, carefully sponge or towel it out. Slightly tilt the dishwasher forward to drain trapped water.
- Inspect float switch: Locate the float or anti-flood switch in the base. Ensure it moves freely and is not stuck in the raised position. Clean any debris or scale around it.
- Look for leaks: While the base is open, inspect hoses, the sump, and the circulation pump for signs of leakage that could have filled the base pan.
- Check pressure/overflow hose: If your Asko model uses a pressure hose to sense overflow, verify it is not kinked or blocked. Gently blow through it (disconnected) to clear any obstruction.
- Test again: After drying the base and freeing the float, restore power and run a short cycle while monitoring for leaks. If F6 returns without visible water in the base, the float switch or level sensor may be defective and should be replaced.
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Repair Difficulty
Hard
4/5
Required Part
Float Switch / Anti-Flood Switch
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