F03
What code F03 means on a Hotpoint washing machines, what causes it, and which part to check first.
● SEVERITY: MEDIUM
Hotpoint F03 means: Temperature sensing fault NTC thermistor not reading correctly. The documented cause is: Failed NTC thermistor. Loose or corroded wiring connector. Limescale on the thermistor in hard water areas.
What F03 means
Temperature sensing fault NTC thermistor not reading correctly
The display shows F03 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 NTC thermistor |
| Loose or corroded wiring connector |
| Limescale on the thermistor 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
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Frequently asked questions
What does F03 mean on a Hotpoint?
Temperature sensing fault NTC thermistor not reading correctly The documented cause is: Failed NTC thermistor. Loose or corroded wiring connector. Limescale on the thermistor in hard water areas.
Can I fix F03 myself?
It depends on the part involved: Failed NTC thermistor. Loose or corroded wiring connector. Limescale on the thermistor 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 Hotpoint use other codes on this appliance?
Yes: we document 15 other codes for Hotpoint 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.