maxtemp
Moderate
Creality · FDM 3D Printers
Temperature Reading Exceeds Maximum Safe Value
Quick Answer
Error code MAXTEMP on your Creality FDM 3D Printers means: Temperature Reading Exceeds Maximum Safe Value. This is usually fixable — see the step-by-step guide below.
Affected Models
Applies to all models
Likely Causes
How to Fix It
1
Immediately power off the printer to prevent genuine overheating
2
Inspect the hotend wiring for any crossed or touching wires between heater and thermistor
3
Measure thermistor resistance; if near 0 ohms at room temperature it is shorted
4
Verify the thermistor table in Marlin configuration matches the installed thermistor type (typically TEMP_SENSOR_0 = 1 for 100K NTC)
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
NTC 100K thermistor
Heat-resistant wire sleeving
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