Haier Washing Machine
Haier Washing Machine Err4 error
Heating fault
Try a reset once. If it comes back, a trained technician should repair it.
We found this meaning in only one secondary source. Confirm it with your user manual or brand customer care before any repair.
What it means
The water or oven did not heat up as expected, or the heating circuit has a fault.
Common causes
- Faulty heating element
- Temperature sensor fault
- Hard-water scale on the heater
- Wiring or board fault
Try this at home first
Tick each step as you go
When to call a technician
A technician should test the heater and sensor. Don’t open the appliance — it uses mains voltage.
Safety first
Always switch off at the wall socket or MCB before touching any part. Do not open the outdoor unit, control boards or gas pipes yourself — they carry high voltage and pressure.
Frequently asked questions
What does Err4 mean on a Haier Washing Machine?
Heating fault. The water or oven did not heat up as expected, or the heating circuit has a fault.
Can I fix Haier Washing Machine error Err4 myself?
You can try a reset first: Switch off and restart. If the code returns, call a technician.
Is it safe to keep using the Washing Machine with Err4?
Avoid repeated restarts; running with this fault can cause more damage.
Other Haier Washing Machine codes
Sources
We write every explanation in our own words from these references.
Last checked: 2026-10-20