KitchenAid Built-In Microwave Code F0 E0: oven control system alert

What F0 E0 means

KitchenAid built-in microwaves and microwave-wall oven combinations, such as the KMBP100ESS and KOCE500ESS, can show F0 E0 when a part of the oven control system, the electronic control, or the associated wiring may have a problem. Expect the oven to stop heating or ignore commands. Because it involves the control electronics, we treat it as a priority repair.

Common causes of F0 E0

The electronic control has developed an internal error
Wiring to the control has loosened or worn
A part of the oven control system is sending bad readings

✓ One safe check you can try

1. Press Cancel. 2. Turn the breaker off for one minute and turn it back on. 3. Let the display come on, then set the clock. 4. Do not run the oven empty or keep restarting it. If F0 E0 returns, switch it off at the breaker and call us.

! Why to stop there

Control electronics are not something to open or test without proper instruments
Wrong guesses are expensive because boards cost much more than other parts
You get the price in writing before work, and the repair carries a 30-day warranty

Opening a panel yourself does not automatically cancel a manufacturer warranty, but it can cause accidental damage, and some manufacturers set their own service conditions. Check your warranty terms, or ask us, before deciding.

→Same appliance

Other Microwave codes

PUSH or PSHKitchenAid Built-In Microwave Message PUSH or PSH: The oven is waiting for Start Registration ErrorKitchenAid Over-the-Range Microwave Message "Registration Error": Check the home network and try again Sabbath, Sab, 5Ab, or 5A6KitchenAid Built-In Microwave Display Sabbath, Sab, 5Ab or 5A6: Sabbath Mode is on SEKitchenAid Over-the-Range Microwave Code SE: Keypad or user interface problem Probe or Insert ProbeKitchenAid Combination Microwave Message "Probe" or "Insert Probe": Seat the meat probe in its jack F4E4KitchenAid Over-the-Range Microwave Code F4E4: Humidity thermistor or its wiring F9Q1KitchenAid Over-the-Range Microwave Code F9Q1: Touch pad and its wiring F4E9KitchenAid Over-the-Range Microwave Code F4E9: Smart Pop control or wiring flagged

F0 E0F0 E0 questions

What does F0 E0 involve?

The code covers the oven control system as a whole: the electronic control and the wiring around it. A technician narrows it down with tests, because the code does not name one part.

Can the code vanish and come back?

Yes. A marginal board or connection can behave for a while after a reset. If the code returns, the underlying problem is still present.

Is F0 E0 a fire hazard?

The code does not claim that, but electronics in distress are best left off. Turning the breaker off until we inspect it is a sensible precaution.