MINTEMP / thermistor error on the Elegoo Neptune 4

Source: Reddit r/3Dprinting — troubleshooting Confidence: 60% Verified Aug 9, 2026

The printer reports a MINTEMP error, indicating the thermistor is reading an abnormally low temperature.

How to fix MINTEMP / thermistor error

Check the thermistor connection

Inspect the thermistor wiring and reseat it in the hotend. Replace if damaged.

Source: Reddit r/3Dprinting — troubleshooting Confidence: 60% Verified Aug 9, 2026

Difficulty: ★★ Est. 15 min

Replace the thermistor

If the thermistor is faulty, replace it with a genuine spare.

Source: Reddit r/3Dprinting — troubleshooting Confidence: 60% Verified Aug 9, 2026

Difficulty: ★★ Est. 15 min

Replacement parts for the Elegoo Neptune 4

Elegoo Neptune 4 Nozzle Elegoo Neptune 4 Hardened Steel Nozzle Elegoo Neptune 4 PLA Filament Elegoo Neptune 4 Build Plate Elegoo Neptune 4 Hotend Assembly Elegoo Neptune 4 Magnetic Bed Sheet Elegoo Neptune 4 PTFE Tube Elegoo Neptune 4 Nozzle Set

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