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QR Error codes

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  • Mintemp error bed #12207 (MINI)

    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 the ...

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

    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 system inside the printer ...

  • MMU MCU Error #04306 (MMU)

    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 are ...

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

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

    What happened? The Original Prusa 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 error X Error code: #13304 (MK4) ...

  • QR Error codes

    QR Error codes

    This is an advanced system for displaying error screens providing more useful information to the user. In case of an issue, the printer will display the name of the error ...

  • Idler cannot home #04125 (MMU)

    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 ...

  • Load to extruder failed #04108 (MMU)

    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 is shown. ...

  • Homing error Y #13305 (MK4) #21305 (MK3.9) #23305 (MK3.5)

    Homing error Y #13305 (MK4) #21305 (MK3.9) #23305 (MK3.5)

    What happened? The Original Prusa MK4/MK3.9/MK3.5 displays the message: "Failed to home the Y-axis, make sure there is no obstacle on Y-axis". Error name: Homing error Y Error code: #13305 (MK4) #21305 (MK3.9) ...

  • Connect Registration Failed

    Connect Registration Failed

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

  • Bed preheat error #13201 (MK4) #21201 (MK3.9) #23201 (MK3.5)

    Bed preheat error #13201 (MK4) #21201 (MK3.9) #23201 (MK3.5)

    What happened? The printer is showing the message "Check the heatbed heater & thermistor wiring for possible damage." Error name: Bed preheat error Error code: #13201 (MK4) #21201 (MK3.9) #23201 (MK3.5) This message is shown ...

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