F04
What code F04 means on a Hisense washing machines, what causes it, and which part to check first.
● SEVERITY: MEDIUM
Hisense F04 means: Heating error water not reaching target temperature. The documented cause is: Failed heating element. Failed NTC thermistor. Wiring fault. Limescale heavily fouling the element in hard water areas.
What F04 means
Heating error water not reaching target temperature
The display shows F04 and the machine stops until the fault is cleared.
What the technical documentation says
Causes documented in the technical source published by whitegoodshelp.co.uk
| DOCUMENTED CAUSE OR CHECK |
|---|
| Failed heating element |
| Failed NTC thermistor |
| Wiring fault |
| Limescale heavily fouling the element in hard water areas |
Replacement parts
Tools you'll need
Before you open anything
Unplug the machine and close the water tap before removing any panel. Water and mains electricity sit centimetres apart inside a washing machine. If the drum still holds water, drain it from the filter first — it can be scalding.
What to check, in order
From the quickest check to the one that needs a technician.

Find a specialist
TroubleAtlas Pro
TroubleAtlas Certified

What is the TroubleAtlas Score?
Beyond fault codes and specialists, we rate the reliability of appliance brands and models — a transparent score that owes nothing to the manufacturer. The reference to check before you buy or repair.
See all appliance scores →TA YouTube Channel
Frequently asked questions
What does F04 mean on a Hisense?
Heating error water not reaching target temperature The documented cause is: Failed heating element. Failed NTC thermistor. Wiring fault. Limescale heavily fouling the element in hard water areas.
Can I fix F04 myself?
It depends on the part involved: Failed heating element. Failed NTC thermistor. Wiring fault. Limescale heavily fouling the element in hard water areas. Clearing a filter or straightening a hose is within reach of anyone; anything behind a panel means mains electricity and water together — that is a job for a technician.
Does Hisense use other codes on this appliance?
Yes: we document 12 other codes for Hisense on this washing machines. They are listed at the bottom of this page, each with its own meaning.
Does the same code mean the same thing on other brands?
Often not. The same two characters can point to completely different faults depending on the manufacturer — always check the page for your own brand.

