QR Error codes

Mintemp error bed #12207 (MINI)

What happened? The printer will display "Mintemp error" for the heatbed if the printer's heatbed temperature goes below 15 ºC at any point. In this case, the printer will stop…

Connect Registration Failed

What happened? During the configuration of Prusa Connect on the Original Prusa MINI/+, MK4/S, MK3.9/S, MK3.5/S or XL an error on this configuration can occur and the printer shows…

Stuck filament detection #31101 (CORE One) #26101 (MK4S) #13101 (MK4) #27101 (MK3.9S) #21101 (MK3.9) #17108 (XL)

The Prusa CORE One, and the Original Prusa XL, MK4/S, MK3.9/S are equipped with a loadcell. Thanks to this component, starting from firmware 6.0.0, the printer can detect whether…

Connect Registration Failed #26401 (MK4S) #13401 (MK4) #27401 (MK3.9S) #21401 (MK3.9) #28401 (MK3.5S) #23401 (MK3.5) #31401 (CORE One)

What happened? During the configuration of Prusa Connect on the Original Prusa Printers, an error can occur, and the printer shows the message "Registration to Prusa Connect failed…

Firmware in the internal flash corrupted! #12608 (MINI)

What happened? While flashing firmware to your printer an error might occur, and the screen will display the following message: "Firmware in the internal flash corrupted!". The…

MMU MCU Error #04306 (MMU)

What happened? The Main Control Unit on the MMU control board has detected a power-related issue. How to fix it? Verify all the cables are in good condition and all the connections…

FINDA: Filament Stuck #04102 (MMU)

What happened? While the MMU unit was unloading a filament, the SuperFINDA sensor inside the selector stayed triggered/detecting a filament, while it shouldn’t. The superFINDA…

Load to extruder failed #04108 (MMU)

What happened? While loading to the extruder, as soon as the filament sensor detects a filament the printer performs an automatic loading check. If the check fails, this error…

Homing error X #26304 (MK4S) #13304 (MK4) #21304 (MK3.9) #23304 (MK3.5)

What happened? The Original Prusa MK4S/MK4/MK3.9/MK3.5 displays the message: "Failed to home the extruder in X-axis, make sure there is no obstacle on X-axis". Error name: Homing…

Idler cannot home #04125 (MMU)

What happened? Before it can align with any of the filament positions, the Idler inside the MMU unit needs to be “homed” to determine its position. First, the Idler moves to one…