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Error code reference
KitchenAid Microwave Error Code F3T
Temperature sensor failure (oven temperature out of expected range).
SourceKitchenAid Over-The-Range Microwave - Job Aid: KHMS175Mp. 6-1
Diagnostic procedure
The full F3T procedure
Step 1 is visible so you can confirm you are on the right page. The remaining steps, the ones that tell you whether to actually replace a part, unlock with any pass.
MyPros+ · DiagnosticsStep 1 preview
1
First diagnostic step
Check that the oven temperature is not below 41°F (5°C) or above 140°F (60°C).
SourceKitchenAid Over-The-Range Microwave - Job Aid: KHMS175Mp. 6-1
More steps, wiring diagram references, and verified part numbers
Includes expected resistance and voltage values, connector pinouts, and supersession notes for replacement parts.
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Where this code is documented
3 manuals in the MyPros+ library document this code for KitchenAid microwave.
Models covered by the manuals that document this code
75,000+ service documents · 20,000+ error codes · 100+ brands
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