Skip to main contentGet Started
Error code reference
Whirlpool Refrigerator Error Code F40
Icemaker solenoid Transistor 1 short circuit; a transistor on the controller that drives the icemaker solenoid has failed.
Avg. service call
$285
National average. Trip fee plus diagnostic plus labor. Before parts.
MyPros+ 3-day pass
$9.95
Same diagnostic steps, on your phone. Start now.
You keep in your pocket
~$275
Even before you buy the part.
Skip the service call. Fix it yourself.
Full procedure unlocks instantly.
Diagnostic procedure
The full F40 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
Check the solenoid resistance. If not within limits, replace the solenoid. Check wiring and connections at the solenoid and the module. If OK, replace the control module.
More steps, wiring diagram references, and verified part numbers
Includes expected resistance and voltage values, connector pinouts, and supersession notes for replacement parts.
Unlock F40 procedure $9.95
Or subscribe: $29/month for unlimited access to all codes plus Max AI diagnostics.
78,000+ service manuals · 160,000+ error codes · 55+ brands
Get Started$29/month · Cancel anytime · Or $9.95 3-day pass