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KitchenAid Dishwasher F4E2 / F4E3 Error Code
Heating system error on KitchenAid dishwashers.
KitchenAidAll KitchenAid dishwasher codes
The dishwasher couldn't heat the way the control expected. KitchenAid labels F4E2 as a heating system fault and F4E3 as a heating error, and neither has a homeowner repair beyond a reset.
Compatible models
Both codes come from KitchenAid's general dishwasher help pages, which don't name models.
Also shown as
No other codes are listed for this fault.
Difficulty
Try the basic checks, but the usual fix is a technician's job.
Not sure you are reading the code right? See how to read KitchenAid dishwasher codes.
How to fix KitchenAid F4E2 / F4E3
Do a power reset
Off for 30 seconds at the plug or breaker, then back on.
Watch for the code on the next cycle
Run a normal cycle. If the dishes come out cold and wet or the code returns, stop there.
When to call a technician
Schedule service if either code comes back. Heater and heating-circuit checks involve live electrical testing.
Parts linked to F4E2 / F4E3
These are the parts most often behind this code. Tap one to see what it does and the signs it is failing.
Order parts by your full model number so they fit.
Step-by-step guides for this problem
- Dishwasher Not Cleaning Dishes? 9 Causes and Real Fixes
Dirty dishes usually trace back to a clogged filter, spray arm holes plugged with debris, water that isn't hot enough, or loading that blocks the spray.
- Dishwasher Not Drying? Rinse Aid, Settings and Real Fixes
An empty rinse aid dispenser is the most common reason dishes come out wet, followed by a dry setting that uses no heat.
Frequently asked questions
Which KitchenAid models show the F4E2 / F4E3 code?
Both codes come from KitchenAid's general dishwasher help pages, which don't name models.
Can I fix KitchenAid F4E2 / F4E3 myself?
Only the basic checks. You can safely try the steps above, but F4E2 / F4E3 usually points to a part or fault that needs a technician.
Other KitchenAid dishwasher codes
- F9E1Long drain (water not pumping out)
- F9E2Drain motor error
- F8E4Water found in the drip tray
- F8E5Fill valve stuck open
- F8E2Fill valve electrical fault
- H2ONo water detected
- F7E2Wash motor error
- F6E1User interface or main control error
- F6E3Too many suds
- F6E4Float switch error
- F3E2Thermistor or OWI sensor fault
- F1E1Control module fault
- F1E2 / F2E2Main control communication error
- F2E1Stuck key or console error
- FAE4 / F10E4Diverter valve error
- FAE5 / F10E5Diverter leak
- Sanitize light flashingSanitize temperature not reached
- Control lock light flashingControls locked or asleep
Last reviewed 2026-10-19. Codes and steps can vary by model; check your owner's manual.