Whirlpool dishwasher error code
F6E4
Water float switch error
The float switch that guards against overfilling is reporting a problem.
Also shown on some Whirlpool models as: F6 E4 F6-E4 6 flashes, pause, 4 flashes
Try these free fixes first
Unplug the dishwasher before opening any panel.
- Unplug the dishwasher, or turn off its breaker if hardwired, for 30 seconds, then restore power.
- Check that the dishwasher is level side to side and front to back, using a level or a phone level app.
- Adjust the leveling legs if it tilts, since a tilt can trip the float switch.
- Make sure the float in the tub moves freely and nothing is stuck under it.
Still showing F6E4?
If the code persists after leveling and a reset, a technician should check or replace the float switch.
Questions people ask
What does F6E4 mean on a Whirlpool dishwasher?
F6E4 on a Whirlpool dishwasher means: water float switch error. The float switch that guards against overfilling is reporting a problem.
How do I fix Whirlpool dishwasher error F6E4?
Unplug the dishwasher, or turn off its breaker if hardwired, for 30 seconds, then restore power. Check that the dishwasher is level side to side and front to back, using a level or a phone level app. Adjust the leveling legs if it tilts, since a tilt can trip the float switch. Make sure the float in the tub moves freely and nothing is stuck under it.
When should I call a repair technician?
If the code persists after leveling and a reset, a technician should check or replace the float switch.
Related dishwasher codes
Samsung tEDishwasher: Temperature sensor errorLG tEDishwasher: Temperature sensor errorGE C7Dishwasher: Water temperature sensor faultGE PrSDishwasher: Pressure sensor signal errorMaytag F2 E2Dishwasher: Control communication errorElectrolux i40Dishwasher: Water level sensing problemSource: Whirlpool official support · Reviewed 2026-10-01