maxtemp Troubleshooting

MAXTEMP / thermistor error on the SUNLU Rapid PETG 3D Filament 1.75 mm 1KG

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

The printer reports a MAXTEMP error, indicating the thermistor is reading an abnormally high temperature.

How to fix MAXTEMP / thermistor error

Check the thermistor

Inspect the thermistor wiring for shorts and reseat it. Replace if damaged.

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

Difficulty: ★★ Est. 15 min

Check the heater

Verify the heater cartridge is not shorting and is seated correctly.

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

Difficulty: ★★★ Est. 20 min

Replacement parts for the SUNLU Rapid PETG 3D Filament 1.75 mm 1KG

SUNLU Rapid PETG 3D Filament 1.75 mm 1KG Nozzle Set SUNLU Rapid PETG 3D Filament 1.75 mm 1KG Nozzle SUNLU Rapid PETG 3D Filament 1.75 mm 1KG Hardened Steel Nozzle SUNLU Rapid PETG 3D Filament 1.75 mm 1KG PLA Filament SUNLU Rapid PETG 3D Filament 1.75 mm 1KG Build Plate SUNLU Rapid PETG 3D Filament 1.75 mm 1KG Hotend Assembly SUNLU Rapid PETG 3D Filament 1.75 mm 1KG Magnetic Bed Sheet SUNLU Rapid PETG 3D Filament 1.75 mm 1KG PTFE Tube

← All SUNLU Rapid PETG 3D Filament 1.75 mm 1KG error codes

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