Error code lookup
KitchenAid Microwave Error Codes
What each code on your KitchenAid microwave means, the one safe thing to check first, and when it’s time to call me. I checked every code here against KitchenAid’s own support pages and manuals.
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21 codes
What your KitchenAid microwave is telling you
Codes from KitchenAid’s online Product Help articles for over-the-range microwaves, plus a few countertop microwave messages noted as such. Codes vary by model; not every code appears on every model.
That code isn’t on this list. It may be specific to your model, so call or text me at (480) 292-4746 with the code and model number.
DOOR
The door has been closed for 5 minutes or more without the microwave being started; this guards against accidental starting.
Also shown as OPEN/CLOSE DOOR
Try this first: Open and close the door, then start the cycle. Make sure no packing material or out-of-place rack is keeping the door from closing.
PF
There has been a power failure (or the clock has been turned off).
Also shown as Flashing :
Try this first: Touch Cancel/Off (or Cancel) and reset the clock.
Flashing 0:00
There has been a power failure.
Try this first: Reset the clock.
Countertop microwaves.
LOC
Not a fault: the control lock is on.
Also shown as L, Padlock icon
Try this first: Depending on model, press and hold Cancel for 3 seconds or Start for 5 seconds (see owner’s manual).
dOn
Not a fault: demo mode is turned on, so the microwave won’t heat.
Also shown as dOff
Try this first: Turn demo mode off as described in your owner’s manual (on many models: open the door, hold 3 for 5 seconds, then press Start).
F1 E1
The microwave could not execute the function; there may be a problem with the relay control board or its wiring.
Try this first: Reset power by turning off the circuit breaker or unplugging the unit for one minute, then restoring power. If the code returns, call me.
F2
The keypad (user interface) reported a problem to the control board.
Try this first: Reset power by turning off the circuit breaker or unplugging the unit for one minute, then restoring power. If the code returns, call me.
F2 E1
There may be a problem with the user interface/keypad or its wiring.
Try this first: Reset power by turning off the circuit breaker or unplugging the unit for one minute, then restoring power. If the code returns, call me.
SE
There is a problem with the keypad (user interface) or its wiring.
Try this first: Reset power by turning off the circuit breaker or unplugging the unit for one minute, then restoring power. If the code returns, call me.
F2 H1
There may be a problem with the vent fan and light switch or its wiring.
Try this first: Reset power by turning off the circuit breaker or unplugging the unit for one minute, then restoring power. If the code returns, call me.
F3 H1
There may be a problem with the humidity sensor or its wiring.
Try this first: Reset power by turning off the circuit breaker or unplugging the unit for one minute, then restoring power. If the code returns, call me.
F4 E1
There may be a problem with the cavity temperature sensor (thermistor) or its wiring.
Try this first: Reset power by turning off the circuit breaker or unplugging the unit for one minute, then restoring power. If the code returns, call me.
F6
The microwave could not execute the function; there may be a problem with the relay control board or its wiring.
Try this first: Reset power by turning off the circuit breaker or unplugging the unit for one minute, then restoring power. If the code returns, call me.
F7
The microwave could not execute the function; there may be a problem with the appliance control board or its wiring.
Try this first: Reset power by turning off the circuit breaker or unplugging the unit for one minute, then restoring power. If the code returns, call me.
F7 E9
Associated with overheating: if the upper vent is blocked, the microwave can overheat.
Try this first: Make sure the upper vent door can open and close freely and isn’t blocked by trim or cabinetry, then reset power by turning off the circuit breaker or unplugging the unit for one minute, then restoring power. If the code returns, call me.
F9
The microwave could not execute the function; there may be a problem with the appliance control board, relay control board or wiring.
Try this first: Reset power by turning off the circuit breaker or unplugging the unit for one minute, then restoring power. If the code returns, call me.
E21
The thermal sensor circuit reported open to the control board; the sensor, control board or wiring may be at fault.
Try this first: Reset power by turning off the circuit breaker or unplugging the unit for one minute, then restoring power. If the code returns, call me.
Convection models.
E22
The thermal sensor circuit reported a short to the control board; the sensor, control board or wiring may be at fault.
Try this first: Reset power by turning off the circuit breaker or unplugging the unit for one minute, then restoring power. If the code returns, call me.
Convection models.
E23
The oven did not reach preheat temperature within 30 minutes; the heater, control board or wiring may be at fault.
Try this first: Reset power by turning off the circuit breaker or unplugging the unit for one minute, then restoring power. If the code returns, call me.
Convection models.
E24
The oven reached an overheat condition of 500°F (260°C).
Try this first: Reset power by turning off the circuit breaker or unplugging the unit for one minute, then restoring power. If the code returns, call me.
Convection models.
AccuPop Fail
The microwave could not execute the function; there may be a problem with the AccuPop sensor.
Try this first: Reset power by turning off the circuit breaker or unplugging the unit for one minute, then restoring power. If the code returns, call me.
Models with the AccuPop feature.
When to call me
If the safe check doesn’t clear the code, or the same code keeps coming back, the microwave needs a real diagnosis. Error codes point to the system that failed, not always the exact part, so I test before I replace anything.
Never open panels, bypass a safety switch or work on gas or wiring yourself. Unplug the appliance or turn off its breaker if you smell burning or see water near electrical parts.
Upfront pricing
$65
Service call, waived when you approve the repair. You get an exact price before any work starts.
Stacked washer and dryer units have a $125 service call, also waived with the repair.
Where These Codes Come From
I checked every code on this page against KitchenAid’s own documentation on October 18, 2026, and left out any code I couldn’t confirm there. Meanings can differ between models and model years, so your owner’s manual or the tech sheet inside your microwave has the final word for your exact model.
Manufacturer sources
- Door or Open Door Closed – Error Code – Over-the-Range Microwave (KitchenAid)
- Flashing “:” or PF in display – Over-the-Range Microwave (KitchenAid)
- Flashing 0:00 – Error Code – Countertop Microwave (KitchenAid)
- LOC or “L” or Padlock Icon – Over-the-Range Microwave (KitchenAid)
- Demo Mode – Over-the-Range Microwave (KitchenAid)
- F1E1 – Error Code – Over-the-Range Microwave (KitchenAid)
- F2 – Error Code – Over-the-Range Microwave (KitchenAid)
- F2E1 – Error Code – Over-the-Range Microwave (KitchenAid)
- SE – Error Code – Over-the-Range Microwave (KitchenAid)
- F2H1 – Error Code – Over-the-Range Microwave (KitchenAid)
- F3H1 – Error Code – Over-the-Range Microwave (KitchenAid)
- F4E1 – Error Code – Over-the-Range Microwave (KitchenAid)
- F6 – Error Code – Over-the-Range Microwave (KitchenAid)
- F7 – Error Code – Over-the-Range Microwave (KitchenAid)
- F7 E9 – Error Code – Over-the-Range Microwave (KitchenAid)
- F9 – Error Code – Over-the-Range Microwave (KitchenAid)
- E21 – Error Code – Over-the-Range Microwave (KitchenAid)
- E22 – Error Code – Over-the-Range Microwave (KitchenAid)
- E23 – Error Code – Over-the-Range Microwave (KitchenAid)
- E24 – Error Code – Over-the-Range Microwave (KitchenAid)
- AccuPop Fail – Error Code – Over-the-Range Microwave (KitchenAid)
FAQ
KitchenAid microwave code questions
What does error code DOOR mean on a KitchenAid microwave?
The door has been closed for 5 minutes or more without the microwave being started; this guards against accidental starting. Try this first: Open and close the door, then start the cycle. Make sure no packing material or out-of-place rack is keeping the door from closing. If the code comes back, call or text me at (480) 292-4746.
What does error code PF mean on a KitchenAid microwave?
There has been a power failure (or the clock has been turned off). Try this first: Touch Cancel/Off (or Cancel) and reset the clock. If the code comes back, call or text me at (480) 292-4746.
What does error code Flashing 0:00 mean on a KitchenAid microwave?
There has been a power failure. Try this first: Reset the clock. If the code comes back, call or text me at (480) 292-4746.
What does error code LOC mean on a KitchenAid microwave?
Not a fault: the control lock is on. Try this first: Depending on model, press and hold Cancel for 3 seconds or Start for 5 seconds (see owner’s manual). If the code comes back, call or text me at (480) 292-4746.
How much does it cost to have you diagnose a KitchenAid microwave error code?
My service call is $65 ($125 for stacked washer and dryer units), and it’s waived when you approve the repair. I give you an exact price before any work starts.
More KitchenAid Error Codes
Other Microwave Brands
No Code on the Display?
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Ready when you are
Code still showing? Book your microwave repair.
Call or text (480) 292-4746, Monday to Saturday, 9am to 6pm. Same-day and next-day appointments are often available.