Prusa
Error Codes
Fan Error
Prusa
3D Printer
Fan Error on Prusa printers means one of the fans on the toolhead has stopped …
Heatbed Error
Prusa
3D Printer
Heatbed Error means the bed isn't heating to the target temperature within the …
MMU Needs Attention
Prusa
3D Printer
'MMU Needs Attention' means the multi-material unit can't complete a filament …
Crash Detected (Y)
Prusa
3D Printer
Crash Detected on the Y axis means the bed (which moves on Y) skipped steps — …
MAXTEMP
Prusa
3D Printer
MAXTEMP means the hotend went past its maximum safe temperature — usually 305°C …
MMU3 Error / Multi Material Unit Fault
Prusa
3D Printer
Most Prusa MMU3 errors are caused by filament tip shape issues — a bad tip after …
Crash Detected
Prusa
3D Printer
Crash Detected means a stepper motor encountered unexpected resistance — the …
Filament Not Detected
Prusa
3D Printer
Filament Not Detected means the filament sensor does not see filament passing …
MINTEMP ERROR
Prusa
3D Printer
MINTEMP means the printer reads a temperature below the minimum …
THERMAL RUNAWAY
Prusa
3D Printer
Thermal Runaway on a Prusa printer means the temperature is not being maintained …