temp_sensor_err
Moderate
Anycubic · FDM 3D Printers
Temperature Sensor Fault - Thermistor Reading Out of Range
Quick Answer
Error code TEMP_SENSOR_ERR on your Anycubic FDM 3D Printers means: Temperature Sensor Fault - Thermistor Reading Out of Range. This is usually fixable — see the step-by-step guide below.
Affected Models
Applies to all models
Likely Causes
How to Fix It
1
Compare the displayed temperature with the actual temperature using an external thermometer or thermocouple
2
Measure the thermistor resistance with a multimeter and compare to the expected value for the current temperature
3
Clean the thermistor connector pins with contact cleaner
4
If using custom firmware, verify TEMP_SENSOR_0 and TEMP_SENSOR_BED are set to the correct thermistor type
5
Try a known-good thermistor to rule out sensor failure vs mainboard issue
Pro Tip
This fix requires some technical knowledge. If you're unsure about any step, consider contacting support or a qualified technician.
Parts You May Need
Replacement NTC 100K thermistor
Electrical contact cleaner spray
Replacement mainboard (if ADC is faulty)
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