Error code reference

Whirlpool Refrigerator Error Code F3E8

External RH (humidity) sensor failure (must combine with ambient temperature sensor); flipper mullion heater will run at 100% (10 W).

SourceWhirlpool Counter Depth 4-Door Refrigerator - Service Manual (W11482837)p. 3-5

Diagnostic procedure

The full F3E8 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
Run Service Test 104 for humidity reading and Service Test 12 for ambient temperature; if no reading check wiring to HMI from sensor, then change sensor if wiring is good.

SourceWhirlpool Counter Depth 4-Door Refrigerator - Service Manual (W11482837)p. 3-5

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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