JennAir · Microwave
E03 error-code guide
JennAir says E03 means the keypad or user interface reported a problem to the control board.
Read the guideCurrent JennAir microwave coverage
Published JennAir microwave guides
This hub contains 12 published guides for select JennAir 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
Choose the code shown on the appliance
Each card links to a guide that separates the detected condition from possible causes, preliminary checks, limitations, and service boundaries.
JennAir · Microwave
E24 error-code guide
JennAir says E24 is displayed when the oven reaches an overheat condition of 500°F (260°C).
Read the guideJennAir · Microwave
E61 / E62 error-code guide
JennAir says E61 is an open oven-sensor circuit condition and E62 is a shorted oven-sensor circuit condition reported to the control board.
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F2H2 error-code guide
JennAir says F2H2 can involve the vent-fan and light-switch input path or its associated wiring.
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F3H1 error-code guide
JennAir says F3H1 can indicate a problem with the humidity sensor or its associated wiring.
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F3T4 error-code guide
JennAir says F3T4 can involve the magnetron temperature thermistor or its associated wiring.
Read the guideJennAir · Microwave
F4E1 / F4 E1 error-code guide
JennAir says F4E1 can indicate a problem with the cavity-temperature thermistor or its associated wiring.
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F1E4 / F6E0 / F7 error-code guide
JennAir says these codes can appear when the microwave cannot execute a function and may involve the appliance control or associated wiring.
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F7 E9 / F7E9 error-code guide
JennAir says a blocked upper vent door can contribute to F7 E9 because the microwave may overheat.
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F8E5 error-code guide
JennAir says F8E5 can involve the exhaust-air temperature sensor or associated wiring.
Read the guideJennAir · Microwave
F9 / F9 E0 / F9E0 error-code guide
The exact meaning depends on the microwave platform: over-the-range F9 can point to an execution/control path, while built-in F9/F9 E0 can point to the home electrical supply or installation.
Read the guideJennAir · Microwave
DOOR / OPEN/CLOSE DOOR error-code guide
The control is asking for a normal door open-and-close action before it will accept a new start command.
Read the guideHow to use this collection
Sources, context, and safety remain part of every guide
Documented context
Each guide identifies the manufacturer support material reviewed and explains where that material has model or applicability limits.
Clear safety boundaries
Homeowner observations remain separate from disassembly, electrical work, internal testing, and other work that belongs with a qualified professional.
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