KitchenAid · Microwave
E03 error-code guide
KitchenAid says E03 means the keypad or user interface reported a problem to the control board.
Read the guideCurrent KitchenAid microwave coverage
This hub contains 9 published guides for select KitchenAid microwave error codes. Coverage is intentionally limited and does not include all codes or models.
Microwave runs but food stays cold? Use the microwave not-heating symptom guide.
Microwave will not begin a cook cycle? Use the microwave won’t-start symptom guide.
Seeing sparks or arcing instead of a code? Use the microwave arcing safety guide.
Source-backed guides
Each card links to a guide that separates the detected condition from possible causes, preliminary checks, limitations, and service boundaries.
KitchenAid · Microwave
KitchenAid says E03 means the keypad or user interface reported a problem to the control board.
Read the guideKitchenAid · Microwave
KitchenAid says E24 is displayed when the oven reaches an overheat condition of 500°F (260°C).
Read the guideKitchenAid · Microwave
KitchenAid says F2H1 can indicate a problem with the vent fan and light switch on the lower-left front side panel or its associated wiring.
Read the guideKitchenAid · Microwave
KitchenAid says F3T4 can involve the magnetron temperature thermistor or its associated wiring.
Read the guideKitchenAid · Microwave
KitchenAid says F4E1 can indicate a cavity-temperature thermistor problem or associated wiring on over-the-range microwaves.
Read the guideKitchenAid · Microwave
KitchenAid says F6 can occur when the oven cannot execute a function and may involve the relay control board or associated wiring.
Read the guideKitchenAid · Microwave
KitchenAid says F7 can occur when the microwave cannot execute a function and may involve the appliance control board or associated wiring.
Read the guideKitchenAid · Microwave
KitchenAid says E61 means the oven sensor circuit reported an open condition to the control board.
Read the guideKitchenAid · Microwave
KitchenAid documents model-dependent F9 meanings: an execution/control fault on some over-the-range microwaves, and an electrical-supply or installation-related condition for F9/F9E0 on some built-in microwaves.
Read the guideHow to use this collection
Each guide identifies the manufacturer support material reviewed and explains where that material has model or applicability limits.
Homeowner observations remain separate from disassembly, electrical work, internal testing, and other work that belongs with a qualified professional.
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