Error code reference

Whirlpool Microwave Error Code F1

No display - control is blank. Likely failure in Transformer, Thermal Fuse, GOC Appliance Manager, User Interface, or Microwave Appliance Manager.

SourceWhirlpool Microwave - Tech Sheet: Safety & Service (W10492441)p. 4

Whirlpool codes Whirlpool microwave codes

Diagnostic procedure

The full F1 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

First diagnostic step

Cycle power (Off, wait 10 seconds, On), start a microwave cooking function and wait 1 minute to verify failure reappears. Then unplug and check wiring from terminal block to transformer.

SourceWhirlpool Microwave - Tech Sheet: Safety & Service (W10492441)p. 4

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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

13 manuals in the MyPros+ library document this code for Whirlpool microwave.

Models covered by the manuals that document this code

More models are covered than are listed here.

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The full F1 procedure

Where this code is documented

Models covered by the manuals that document this code

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