maxtemp Troubleshooting

MAXTEMP / thermistor error on the SUNLU Matte PLA Filament 1.75mm

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 Matte PLA Filament 1.75mm

SUNLU Matte PLA Filament 1.75mm Nozzle SUNLU Matte PLA Filament 1.75mm Hardened Steel Nozzle SUNLU Matte PLA Filament 1.75mm PLA Filament SUNLU Matte PLA Filament 1.75mm Build Plate SUNLU Matte PLA Filament 1.75mm Hotend Assembly SUNLU Matte PLA Filament 1.75mm Magnetic Bed Sheet SUNLU Matte PLA Filament 1.75mm PTFE Tube SUNLU Matte PLA Filament 1.75mm Nozzle Set

← All SUNLU Matte PLA Filament 1.75mm error codes

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