Hisense fridge freezer F1 error code
What F1 means on a Hisense fridge freezer
Fault on the fridge temperature sensor circuit, possibly the sensor or its wiring.
Meaning checked by NAC's engineers, 9 November 2026.
What our engineers say
When a Hisense fridge shows F1, it is reporting a fault on the fridge temperature sensor circuit. That points to the sensor itself or the wiring that connects it. You will usually notice it alongside the fridge not cooling properly, even when the freezer side seems fine.
Engineers sometimes find that the fridge temperature sensor has failed and is giving readings that do not change as the temperature does. Trying a reset may not clear the problem when the sensor is at fault.
An engineer will typically check that the freezer is holding its temperature and that its sensors and fans are working, then test the fridge sensor to see whether its readings respond to cold. If the sensor has failed, they replace it and secure it in place. The right sensor often has to be ordered and fitted at a second visit. After the new sensor goes in, it can take a little while for the fridge to settle back to its proper temperature, so it is worth giving it time before deciding whether anything more needs looking at.
Written by our engineers from NAC's own jobs.
Faults this code turns up with
What our engineers found and fixed for each, from NAC's own repair records.
What we fixed. We'll add what our engineers found, the parts they fitted and what customers typically paid once enough of these repairs are confirmed. How we work out our figures.
Before you check anything yourself
- Switch the fridge freezer off and unplug it, or turn it off at the isolator switch, before you touch anything. Our guide to safely isolating an appliance walks you through it.
- An error code tells you where to look, not that it's safe to take the fridge freezer apart. Don't remove panels or covers to get at the parts it points to: that's an engineer's job.
- If it involves the mains supply, sealed parts, or you're not confident at any point, stop and book a qualified engineer rather than risk injury or further damage.
Rather leave it to us?
- Fixed-price quote before any work starts
- Same or next-day visits where available
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