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KitchenAid Dishwasher F3E2 Error Code

Thermistor or OWI sensor fault on KitchenAid dishwashers.

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F3E2
May need a pro

The temperature sensor (thermistor) or the OWI sensor, which reads how dirty the water is, is sending the control a bad signal. Both are internal parts.

Compatible models

KitchenAid lists it for its dishwashers in general and doesn't publish which models use it.

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.

Safety first: unplug the dishwasher (or switch off its breaker) before touching filters, hoses or panels. If you smell burning or gas, or see water near the outlet, stop and call a professional.

How to fix KitchenAid F3E2

  1. Reset the dishwasher

    Disconnect power for 30 seconds and restore it. A one-off glitch sometimes clears this way.

  2. Run one cycle

    Start a normal wash. If F3E2 reappears, leave it and arrange a repair.

When to call a technician

If F3E2 returns, book a technician. The sensor or its harness will need testing and likely replacing.

Parts linked to F3E2

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.

Frequently asked questions

Which KitchenAid models show the F3E2 code?

KitchenAid lists it for its dishwashers in general and doesn't publish which models use it.

Can I fix KitchenAid F3E2 myself?

Only the basic checks. You can safely try the steps above, but F3E2 usually points to a part or fault that needs a technician.

Other KitchenAid dishwasher codes

Last reviewed 2026-10-19. Codes and steps can vary by model; check your owner's manual.

Sources we checked