Error code reference

KitchenAid Microwave Error Code F4E4

Humidity sensor failure: PWM out of range.

SourceKitchenAid/Maytag/Whirlpool Over-the-Range Microwave - Service Manual (W11674523)p. 2-4

KitchenAid codes KitchenAid microwave codes

Diagnostic procedure

The full F4E4 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

Enter Diagnostics mode, review humidity sensor data under Component Activation; if data is out of 8000-10000 range, replace humidity sensor at ACU J20 connector.

SourceKitchenAid/Maytag/Whirlpool Over-the-Range Microwave - Service Manual (W11674523)p. 2-4

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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

4 manuals in the MyPros+ library document this code for KitchenAid microwave.

Models covered by the manuals that document this code

More models are covered than are listed here.

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The full F4E4 procedure

Where this code is documented

Models covered by the manuals that document this code

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