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Whirlpool Dishwasher F6E4 Error Code
Water float switch fault. Here is what it means and how to clear it, easiest fix first.
Whirlpool's support page ties this code to the water float switch, which helps guard against overfilling. A dishwasher that is not sitting level can trip that switch.
On models without a digital display, the Clean light shows this as 6 quick flashes, a short pause, then 4 flashes, repeating after a longer pause.
How to fix Whirlpool F6E4
Level the dishwasher
Check the unit side to side and front to back with a level (or a level app on your phone). If it is off, switch off the breaker and turn off the water before adjusting the feet as described in your installation guide.
Reset the control
Unplug the dishwasher for 30 seconds, then plug it back in. If it is hard-wired, switch off its breaker at the electrical panel for 30 seconds instead, then switch it back on and try a cycle.
When to call a technician
If the unit is level and F6E4 keeps appearing after a reset, schedule service for the float switch.
Parts that commonly cause F6E4
- overfill float switch
Order parts by your exact model number so they fit.
Other Whirlpool dishwasher codes
- F9E1Long drain (slow or no drain)
- F9E2Drain motor error
- F8E1 / H2ONo water detected
- F8E2Fill valve electrical error
- F8E4Water in the drip tray
- F8E5Fill valve stuck open
- F6E3Too many suds
- F7E2Wash motor error
- F4E2 / F4E3Heating error
- F3E2Temperature or soil sensor fault
- F6E1Control panel or main control error
- F1E1Control board fault
- F1E2 / F2E2Control communication error
- F2E1Stuck button or console error
- FAE4 / F10E4Diverter valve error
- FAE5 / F10E5Diverter leak
- Sanitize light flashingLoad was not sanitized
- Control lock light blinks 3 timesControls are locked
- All cycle and option lights flashingCycle paused (door opened)
Frequently asked questions
What does F6E4 mean on a Whirlpool dishwasher?
Whirlpool's support page ties this code to the water float switch, which helps guard against overfilling. A dishwasher that is not sitting level can trip that switch.
Can I fix Whirlpool F6E4 myself?
Often. The first steps above are safe checks a homeowner can do. If they don't clear F6E4, the cause is likely a worn part that needs replacing.
What if F6E4 keeps coming back?
A code that returns after a reset and the checks above usually means a part is wearing out. Note when F6E4 appears (which cycle, how often) and have your model number ready; it helps a technician bring the right part on the first visit.
Last reviewed 2026-10-19. Codes and steps can vary by model; check your owner's manual.