Error code reference

Whirlpool Refrigerator Error Code F3E9

Ambient temperature sensor failure; mullion flipper heater will run at 100% (10 W).

Whirlpool codes Whirlpool refrigerator codes

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Diagnostic procedure

The full F3E9 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

Run Service Test 12; display reads current temperature in degrees Celsius; SH indicates shorted, OP indicates open; check wiring to HMI board and change sensor if no wiring issue found.

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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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The full F3E9 procedure

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