Skip to content
3D Print Troubleshooting, Calibration & Parts

Category: Error codes

Machine error codes explained: Bambu HMS codes, MINTEMP and MAXTEMP, thermal runaway, homing and probe failures. What the code means, and what to check first.

Prusa Error 31118: Homing Calibration Needed

Prusa error 31118 asks you to run homing calibration. It is a prompt rather than a fault, but skipping it risks layer shifts when the printer re-homes.

2 min read Error codes

Prusa Error 13846: Nozzle Cleaning Failed

Prusa error 13846 means automatic nozzle cleaning failed. Usually a blob on the tip or a wiper that has worn out, and auto-retract being switched off.

2 min read Error codes

Prusa Error 13526: Loadcell Measure Failed

Prusa error 13526 means the loadcell returned an impossible reading. On an MK4 that sensor is how the printer finds Z, so this stops everything until fixed.

2 min read Error codes

Prusa Error 13115: Filament Sensors Disabled

Prusa error 13115 is a notice that the filament sensors are switched off, not a fault. What you lose, how to turn them back on, and why they were disabled.

2 min read Error codes

Prusa Error 13324: Display Problem Detected

Prusa error 13324 means the printer detected display problems and offers to lower the refresh rate. What that actually fixes, and when the cable is at fault.

3 min read Error codes