Error code reference
ASKO Washer Error Code Thermistor
W640/W660 display indicating the washing program finished without heating because the thermistor is faulty or…
W640/W660 display indicating the washing program finished without heating because the thermistor is faulty or short-circuited.
First step from the service manual
Check the thermistor for short circuit or open circuit.
The complete diagnostic procedure includes additional test steps, resistance specifications, wiring diagram references, and component test points.
MyPros+ Max
Get the full diagnostic procedure for Thermistor.
- Step-by-step tests with expected resistance, voltage, and continuity values
- Wiring diagram references and connector pinouts from the OEM service manual
- Verified part numbers when replacement is required
Get the full procedure
$29/month · Cancel anytime · Or $9.95 3-day pass
78,000+ service manuals · 160,000+ error codes · 55+ brands
Get Started$29/month · Cancel anytime · Or $9.95 3-day pass