6-4
Maytag
Float Switch Open / Overfill
Service code 6-4 (or 6.4) appears; float switch open or overfill condition.
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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 float, Failed float switch, Water in base pan, Wiring issue to float switch
How to Fix / Troubleshooting
Safety First: Disconnect power and turn off water.
Steps:
- Check tub float: Inside the tub, move the float up and down. It should move freely and click the switch.
- Base float: On models with a base pan float, inspect for water in the base and dry it out.
- Test switch: Use a multimeter to test the float switch for proper open/closed operation. Replace if faulty.
- Inspect for leaks: Identify and repair any leaks that caused overfill.
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Repair Difficulty
Medium
3/5
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