What to check, in order
- Check it's still cooling
If it is, you have a little time, but don't leave it.
- Test the sensor
It can be tested for continuity with a multimeter, and replaced if it fails.
When to call an engineer
If you don't have a multimeter or can't reach the sensor.
Parts people end up buying
Only if the checks above point to a part. Match it to your model number first: it's on a label inside the fridge, usually on a side wall, or on the back.
- Fridge thermistorSearch on Amazon
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About this code
Unbranded and less common appliances don't publish one shared code list, so this page gives the most common meaning across makers. Your manual is the final word, and the model number that finds it is on a label inside the fridge, usually on a side wall, or on the back.
Last reviewed September 2026.