Problem: Overfill condition detected by float switch
How to Fix Dishwasher Error
- Check float switch assembly for proper movement and continuity.
- Inspect drain system for blockages causing backup.
- Test overfill protection switch operation.
- Verify drain pump is functioning correctly.
- Replace control board if sensors test good but error persists.
Still Not Working?
If the replacement part didn’t fix the issue, you may have a wiring problem or main board failure.










