Whirlpool Hood Error Code F1E4

F1E4Whirlpool Hood

What this code means

Microwave ACU PCBA (Appliance Control Unit Printed Circuit Board Assembly) failure.

First step from the service manual

Unplug microwave oven or disconnect power, then replace ACU PCBA.

Next steps: diagnose the root cause

1
Verify the error code is active

Power cycle the unit and see if the code returns. If it does, the fault is persistent and requires diagnosis.

2
Get the full diagnostic procedure

Get step-by-step guidance, test values, and wiring diagrams from the OEM service manual.

Start diagnosing F1E4 on your Whirlpool hood

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Access Whirlpool hood service manuals, wiring schematics, exploded parts views, and error code references on MyPros+.

Related Whirlpool hood error codes

:Flashing colon indicates a power failure has occurred.F1Gas sensor is defective or sensor wires are not properly connected.F2One or more interlock switches are closed (stuck) when the oven door is open.F2E1Stuck key failure on touch panel.F3CCavity temperature sensor failure.F3HHumidity sensor failure. There is an approximate 30-second delay before F3H is...F4E1Cavity temperature sensor failure.F4E4Humidity sensor failure.
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