KitchenAid Microwaves Error Codes
Complete list of fault codes and troubleshooting guides. Use the search below to find your specific error.
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F1E0
Microwave display shows F1E0 and unit will not start or cancels shortly after pressing Start.
Main Control Board Internal Failure
F1E1
Microwave beeps and displays F1E1, often immediately at power-up; keypad may be unresponsive.
Control Board Configuration or EEPROM Error
F1E4
Microwave shows F1E4 and will not heat; sometimes accompanied by a humming sound stopping quickly.
Inverter Board Failure (Inverter Models)
F1E5
Microwave displays F1E5 and does not heat; may stop shortly after pressing Start.
Inverter Overcurrent or Magnetron Short
F2E0
Microwave shows F2E0 and the keypad or touch controls do not respond.
Keypad / User Interface Failure
F2E1
Microwave displays F2E1 and some or all buttons are stuck or unresponsive.
Stuck or Shorted Keypad
F3E0
Microwave shows F3E0 and may stop cooking prematurely or refuse to start sensor cycles.
Humidity / Steam Sensor Failure
F3E1
Microwave displays F3E1 and may not start or may shut off during cooking.
Cavity Temperature Sensor (Thermistor) Failure
F4E0
Microwave shows F4E0 and will not start or stops shortly after starting.
Cavity Temperature Sensor Circuit Error
F5E0
Microwave displays F5E0 and will not run; door appears closed.
Door Switch or Latch Failure
F5E1
Microwave shows F5E1 indicating door switch stuck closed or open; unit will not start.
Door Interlock Circuit Fault
F6E0
Microwave displays F6E0 and may be completely unresponsive or intermittently lose power to the display.
Communication Error Between User Interface and Main Control
F6E1
Microwave shows F6E1 and may have erratic display or random beeping.
User Interface to Control Synchronization Error
F7E0
Microwave displays F7E0 and will not start; sometimes occurs after a power surge.
Power Relay or Power Supply Failure
F7E1
Microwave shows F7E1 and may shut off during cooking or fail to start.
Cooling Fan or Airflow Fault
F8E0
Microwave displays F8E0 and may not start or may shut down quickly.
Exhaust Fan or Vent System Error (Over-the-Range Models)
F9E0
Microwave shows F9E0 and may not start; sometimes associated with tripping the breaker.
Line Voltage or Power Supply Error
Symptom
Microwave clock loses time, resets randomly, or the unit restarts by itself.
Power Supply Instability / Control Reset
Symptom
Microwave display is dim, missing segments, or completely blank while the unit still heats.
Display / VFD / LED Module Failure
Symptom
Microwave display works but pressing Start does nothing; no relay click, no fan, no light.
Start Circuit / Door Interlock Inhibit
Symptom
Microwave door does not close fully or appears misaligned; unit may not start or may leak steam excessively.
Door Alignment / Hinge Problem
Symptom
Microwave door will not open or is difficult to open; door release button feels loose or stuck.
Door Latch / Release Mechanism Failure
Symptom
Microwave emits a burning smell or visible smoke during or after operation.
Overheated Internal Components or Food Residue Ignition
Symptom
Microwave fan and light run but there is a loud crackling or popping sound when heating.
Arcing at Magnetron Antenna or Waveguide
Symptom
Microwave interior accumulates condensation or water droplets after cooking; moisture may drip from door or vents.
Excessive Condensation / Venting Issue
Symptom
Microwave interior light does not turn on when the door opens or during cooking, but the unit otherwise works.
Cavity Light Failure
Symptom
Microwave interior shows sparks or arcing during cooking, often near the side wall or waveguide cover.
Cavity Arcing / Waveguide Contamination
Symptom
Microwave intermittently stops heating mid-cycle but the timer continues to count down; after cooling, it may work again.
Thermal Cutout or Overheating Shutdown
Symptom
Microwave keypad beeps randomly or starts functions by itself without pressing buttons.
Phantom Key Press / UI Contamination
Symptom
Microwave keypad buttons are unresponsive or respond intermittently; sometimes only certain keys fail.
Keypad Membrane Wear or UI Failure
Symptom
Microwave light, fan, and turntable run when the door is closed, even without pressing Start.
Door Switch / Interlock Miswiring
Symptom
Microwave makes loud buzzing, humming, or grinding noises when heating.
Noisy High-Voltage or Mechanical Components
Symptom
Microwave over-the-range hood fan does not run or only runs on some speeds.
Hood Fan Speed Control Failure
Symptom
Microwave over-the-range hood fan is very noisy, rattles, or vibrates excessively when running.
Noisy Hood / Exhaust Fan
Symptom
Microwave over-the-range unit leaks steam or smoke into the kitchen instead of venting outside.
Improper Venting / Damper Issue
Symptom
Microwave produces a high-pitched squeal or chirping noise when the turntable rotates.
Turntable Support / Roller Ring Noise
Symptom
Microwave runs but does not heat food; turntable and light work, timer counts down normally.
High-Voltage System Failure (No Heat)
Symptom
Microwave runs for a few seconds then shuts off completely, sometimes resetting the clock.
Short or Overcurrent Under Load
Symptom
Microwave sensor cooking functions (e.g., sensor reheat, popcorn) do not work properly; food is undercooked or overcooked.
Sensor Cooking Performance Issue
Symptom
Microwave turntable does not rotate during cooking, but heating still works.
Turntable Drive Failure
Symptom
Microwave will not start at all; display is blank and no lights or fans operate.
No Power / Dead Microwave
Symptom
Over-the-range microwave hood light under the unit does not work or flickers.
Cooktop / Hood Light Failure
| Error Code | Symptom | Fault Type | Guide |
|---|---|---|---|
| F1E0 |
Microwave display shows F1E0 and unit will not start or cancels shortly after pressing Start.
|
Main Control Board Internal Failure | View Details |
| F1E1 |
Microwave beeps and displays F1E1, often immediately at power-up; keypad may be unresponsive.
|
Control Board Configuration or EEPROM Error | View Details |
| F1E4 |
Microwave shows F1E4 and will not heat; sometimes accompanied by a humming sound stopping quickly.
|
Inverter Board Failure (Inverter Models) | View Details |
| F1E5 |
Microwave displays F1E5 and does not heat; may stop shortly after pressing Start.
|
Inverter Overcurrent or Magnetron Short | View Details |
| F2E0 |
Microwave shows F2E0 and the keypad or touch controls do not respond.
|
Keypad / User Interface Failure | View Details |
| F2E1 |
Microwave displays F2E1 and some or all buttons are stuck or unresponsive.
|
Stuck or Shorted Keypad | View Details |
| F3E0 |
Microwave shows F3E0 and may stop cooking prematurely or refuse to start sensor cycles.
|
Humidity / Steam Sensor Failure | View Details |
| F3E1 |
Microwave displays F3E1 and may not start or may shut off during cooking.
|
Cavity Temperature Sensor (Thermistor) Failure | View Details |
| F4E0 |
Microwave shows F4E0 and will not start or stops shortly after starting.
|
Cavity Temperature Sensor Circuit Error | View Details |
| F5E0 |
Microwave displays F5E0 and will not run; door appears closed.
|
Door Switch or Latch Failure | View Details |
| F5E1 |
Microwave shows F5E1 indicating door switch stuck closed or open; unit will not start.
|
Door Interlock Circuit Fault | View Details |
| F6E0 |
Microwave displays F6E0 and may be completely unresponsive or intermittently lose power to the display.
|
Communication Error Between User Interface and Main Control | View Details |
| F6E1 |
Microwave shows F6E1 and may have erratic display or random beeping.
|
User Interface to Control Synchronization Error | View Details |
| F7E0 |
Microwave displays F7E0 and will not start; sometimes occurs after a power surge.
|
Power Relay or Power Supply Failure | View Details |
| F7E1 |
Microwave shows F7E1 and may shut off during cooking or fail to start.
|
Cooling Fan or Airflow Fault | View Details |
| F8E0 |
Microwave displays F8E0 and may not start or may shut down quickly.
|
Exhaust Fan or Vent System Error (Over-the-Range Models) | View Details |
| F9E0 |
Microwave shows F9E0 and may not start; sometimes associated with tripping the breaker.
|
Line Voltage or Power Supply Error | View Details |
| – |
Microwave clock loses time, resets randomly, or the unit restarts by itself.
|
Power Supply Instability / Control Reset | View Details |
| – |
Microwave display is dim, missing segments, or completely blank while the unit still heats.
|
Display / VFD / LED Module Failure | View Details |
| – |
Microwave display works but pressing Start does nothing; no relay click, no fan, no light.
|
Start Circuit / Door Interlock Inhibit | View Details |
| – |
Microwave door does not close fully or appears misaligned; unit may not start or may leak steam excessively.
|
Door Alignment / Hinge Problem | View Details |
| – |
Microwave door will not open or is difficult to open; door release button feels loose or stuck.
|
Door Latch / Release Mechanism Failure | View Details |
| – |
Microwave emits a burning smell or visible smoke during or after operation.
|
Overheated Internal Components or Food Residue Ignition | View Details |
| – |
Microwave fan and light run but there is a loud crackling or popping sound when heating.
|
Arcing at Magnetron Antenna or Waveguide | View Details |
| – |
Microwave interior accumulates condensation or water droplets after cooking; moisture may drip from door or vents.
|
Excessive Condensation / Venting Issue | View Details |
| – |
Microwave interior light does not turn on when the door opens or during cooking, but the unit otherwise works.
|
Cavity Light Failure | View Details |
| – |
Microwave interior shows sparks or arcing during cooking, often near the side wall or waveguide cover.
|
Cavity Arcing / Waveguide Contamination | View Details |
| – |
Microwave intermittently stops heating mid-cycle but the timer continues to count down; after cooling, it may work again.
|
Thermal Cutout or Overheating Shutdown | View Details |
| – |
Microwave keypad beeps randomly or starts functions by itself without pressing buttons.
|
Phantom Key Press / UI Contamination | View Details |
| – |
Microwave keypad buttons are unresponsive or respond intermittently; sometimes only certain keys fail.
|
Keypad Membrane Wear or UI Failure | View Details |
| – |
Microwave light, fan, and turntable run when the door is closed, even without pressing Start.
|
Door Switch / Interlock Miswiring | View Details |
| – |
Microwave makes loud buzzing, humming, or grinding noises when heating.
|
Noisy High-Voltage or Mechanical Components | View Details |
| – |
Microwave over-the-range hood fan does not run or only runs on some speeds.
|
Hood Fan Speed Control Failure | View Details |
| – |
Microwave over-the-range hood fan is very noisy, rattles, or vibrates excessively when running.
|
Noisy Hood / Exhaust Fan | View Details |
| – |
Microwave over-the-range unit leaks steam or smoke into the kitchen instead of venting outside.
|
Improper Venting / Damper Issue | View Details |
| – |
Microwave produces a high-pitched squeal or chirping noise when the turntable rotates.
|
Turntable Support / Roller Ring Noise | View Details |
| – |
Microwave runs but does not heat food; turntable and light work, timer counts down normally.
|
High-Voltage System Failure (No Heat) | View Details |
| – |
Microwave runs for a few seconds then shuts off completely, sometimes resetting the clock.
|
Short or Overcurrent Under Load | View Details |
| – |
Microwave sensor cooking functions (e.g., sensor reheat, popcorn) do not work properly; food is undercooked or overcooked.
|
Sensor Cooking Performance Issue | View Details |
| – |
Microwave turntable does not rotate during cooking, but heating still works.
|
Turntable Drive Failure | View Details |
| – |
Microwave will not start at all; display is blank and no lights or fans operate.
|
No Power / Dead Microwave | View Details |
| – |
Over-the-range microwave hood light under the unit does not work or flickers.
|
Cooktop / Hood Light Failure | View Details |
No matching codes found
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