Error code reference

Whirlpool Washer Error Code F04

Heating time too long: water temperature does not reach at least 63°F (35°C) during the first 50 minutes of the heating step. Delayed error code, user notified only after the 10th occurrence.

SourceWhirlpool Compact Front-Load Washers - Service Manual (WFW3090GW, WFW5090GW)p. 2-7

Diagnostic procedure

The full F04 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 the electrical resistance of the heater. Check wire harness connections to the heater, temperature sensor, and ACU.

SourceWhirlpool Compact Front-Load Washers - Service Manual (WFW3090GW, WFW5090GW)p. 2-7

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

19 manuals in the MyPros+ library document this code for Whirlpool washer.

Models covered by the manuals that document this code

More models are covered than are listed here.

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