Error code reference

Whirlpool Microwave Error Code F1E4

Microwave relay (Relay 4903 on PCBA) failure: relay contact may have welded closed.

SourceWhirlpool Microwave - Tech Sheet: Service Diagnostics (W11219411)Failure Code Indications section

Whirlpool codes Whirlpool microwave codes

Diagnostic procedure

The full F1E4 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

Unplug microwave oven or disconnect power, then check wiring to Relay 4903 and check if the relay contact has welded closed.

SourceWhirlpool Microwave - Tech Sheet: Service Diagnostics (W11219411)Failure Code Indications section

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More steps, wiring diagram references, and verified part numbers

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Where this code is documented

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

Models covered by the manuals that document this code

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The full F1E4 procedure

Where this code is documented

Models covered by the manuals that document this code

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