Error code · Haier
F4 · Heating error
The appliance is experiencing a heating error, which may prevent it from functioning properly. Check if the heating element is working correctly.
Washing machineCall Technician — Professional Help NeededFixLens verified
Safe first steps
- Disconnect the washing machine from the power supply by unplugging it.
- Inspect the heating element for any visible damage or burn marks.
- If the heating element appears intact, check the connections to ensure they are secure.
- If the heating element is damaged or the error persists after checking connections, arrange a service visit — do not use the appliance.
When to stop
- Stop if you see visible damage on the heating element or if the appliance emits a burning smell — risk of fire.
Likely cause
The appliance is experiencing a heating error, which may prevent it from functioning properly. Check if the heating element is working correctly.
Verification
Reviewed by: automated manual extraction
Verified against Haier HW100-B14876N technical documentation
FixLens publishes its own structured technical logic verified against Haier HW100-B14876N documentation · last verified April 23, 2026.
Official manufacturer support