Hotend thermistor damaged & Guide how to replace it

Updated 3 weeks ago ​by Tomáš Chvalina

Hotend thermistor is an essential component which measures current temperature of your nozzle. If any of the leads or cables would get damaged, and thermistor would stop measuring. Follow this guide how to replace it. 

Don't forget to rerun the calibration following the Handbook chapter 6.3.1 Calibration flow and wizard. Follow the kit version even on preassembled version as the geometry might have slightly changed.

If you would have any troubles in replacing the thermistor. Do not hesitate to contact our support at

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