F27
Amana
Overflow or Pressure Switch Stuck On
Washer-dryer combo displays F27 and may overfill or underfill.
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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
Pressure switch stuck in full position, Blocked pressure hose, Siphoning through drain hose, Faulty pressure sensor
How to Fix / Troubleshooting
Safety first: Unplug the unit and shut off water supply.
- Check drain hose height: Ensure the drain hose is installed at the correct height and not sealed airtight into the standpipe, which can cause siphoning.
- Inspect pressure hose: Locate the small hose from the tub to the pressure switch. Check for kinks, blockages, or water trapped in the hose. Clear or replace as needed.
- Test pressure switch: Remove the hose from the switch and gently blow into the switch while measuring continuity changes with a multimeter. Replace the switch if it does not respond correctly.
- Reset control: After correcting issues, unplug for 1 minute, then restore power and test a cycle.
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Repair Difficulty
Medium
3/5
Required Part
Water Level Pressure Switch
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