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Error code reference

Whirlpool Hood Error Codes

11 error codes documented with diagnostic procedures.

Have your model number? Get codes specific to your unit.
F1Gas sensor is defective or sensor wires are not properly connected.F1E4Microwave ACU PCBA (Appliance Control Unit Printed Circuit Board Assembly) failure.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 failureF4E1Cavity temperature sensor failure.F4E4Humidity sensor failure.F4E9Popcorn error / SmartPop sound failure.F6MW relay (Relay 4903) failureF8E5Exhaust air temperature detection failure (HF NTC thermistor).

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Step-by-step tests, expected values, wiring diagram references, and verified part numbers.

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Common questions

How do I find the error code on my Whirlpool Hood?
Most Whirlpool hoods show the code directly on the control panel display. If your model has no display, it can be read by entering diagnostic mode with the key sequence for your model. The full procedures include model-specific instructions for reading codes.
Are these codes specific to my model?
The codes here apply broadly to Whirlpool hoods. Meanings and diagnostic steps can vary by model and production year, so enter your model number for model-specific information and procedures.
What do I do if my code is not listed?
Some codes are model-specific or only appear in diagnostic mode. Enter your model number to get codes specific to your unit, or contact us. We update the database continuously from manufacturer service documentation.
How much does it cost to access the full diagnostic procedures?
A 3-day pass is $9.95 one-time and gives full access to all brands, codes, and procedures. Monthly access is $29/month with unlimited access to everything including Max AI diagnostics.