Skip to main content
Error code reference
Whirlpool Washer Error Code F66
Steam temperature sensor (NTC) error-sensor value out of range (14°F to 230°F / -10°C to 110°C); displayed only during Diagnostic Test; water heating step is skipped during wash cycle.
Diagnostic procedure
The full F66 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
Unplug washer or disconnect power; check the water temperature sensor and connection. Refer to Temperature Sensor section.
More steps, wiring diagram references, and verified part numbers
Includes expected resistance and voltage values, connector pinouts, and supersession notes for replacement parts.
Unlock F66 procedure $9.95
Or subscribe: $29/month for all codes plus Max diagnostics, with 70 Max messages a day. Plus applicable tax.
Where this code is documented
2 manuals in the MyPros+ library document this code for Whirlpool washer.
Models covered by the manuals that document this code
- 461970252141
- 461970252142
- 4770
- MHWE300VW11
- MHWE300VW12
- MHWE300VW13
- MHWE400WJ00
- MHWE400WJ01
- MHWE400WR00
- MHWE400WR01
- MHWE400WW00
- MHWE450WJ00
- MHWE450WJ01
- MHWE450WJ02
- MHWE450WR00
- MHWE450WR01
- MHWE450WR02
- MHWE450WW00
- MHWE450WW01
- MHWE450WW02
- MHWE500VP01
- MHWE500VW01
- MHWE500VW12
- MHWE550WJ00
More models are covered than are listed here.
75,000+ service documents · 20,000+ error codes · 100+ brands
Get Started$29/month · Cancel anytime · Or $9.95 3-day pass · Plus applicable tax