Error code · Haier
F3 · Temperature sensor error
The temperature sensor is malfunctioning, which may affect the appliance's operation. Check if the sensor is clean and properly connected.
Washer-dryerCaution — Know When to StopFixLens verified
Safe first steps
- Unplug the washer-dryer from the power outlet.
- Locate the temperature sensor, usually found near the heating element.
- Check the sensor for any dirt or debris and clean it if necessary.
- Ensure that the sensor is properly connected to the wiring harness.
- If the error persists after cleaning and checking connections, arrange a service visit — do not use the appliance.
When to stop
- Stop if the temperature sensor shows visible damage or if the appliance emits unusual smells — risk of fire.
Likely cause
The temperature sensor is malfunctioning, which may affect the appliance's operation. Check if the sensor is clean and properly connected.
Verification
Reviewed by: automated manual extraction
Verified against Haier HWD100-B14939 technical documentation
FixLens publishes its own structured technical logic verified against Haier HWD100-B14939 documentation · last verified April 23, 2026.
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