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Prusa CORE One L

Troubleshooting

Marlin Request Timeout #31530 (CORE One) #35530 (CORE One L) #26530 (MK4S) #13530 (MK4) #27530 (MK3.9S) #21530 (MK3.9) #28530 (MK3.5S) #23530 (MK3.5)

Marlin Request Timeout #31530 (CORE One) #35530 (CORE One L) #26530 (MK4S) #13530 (MK4) #27530 (MK3.9S) #21530 (MK3.9) #28530 (MK3.5S) #23530 (MK3.5)

What happened? The Original Prusa Printers can manage several tasks simultaneously: this is called multithreading. In case of an issue related to multithreading, the printer will…

BBF Initialization Failed #31532 (CORE One) #35532 (CORE One L) #26532 (MK4S) #13532 (MK4) #27532 (MK3.9S) #21532 (MK3.9) #28532 (MK3.5S) #23532 (MK3.5)

BBF Initialization Failed #31532 (CORE One) #35532 (CORE One L) #26532 (MK4S) #13532 (MK4) #27532 (MK3.9S) #21532 (MK3.9) #28532 (MK3.5S) #23532 (MK3.5)

What happened? The firmware of the Original Prusa Printers is in BBF format. When flashing firmware, this is copied from the USB drive to the printer's internal memory. In case…

Signature verification failed #31606 (CORE One) #35606 (CORE One L) #26606 (MK4S) #13606 (MK4) #27606 (MK3.9S) #21606 (MK3.9) #28606 (MK3.5S) #23606 (MK3.5) 

Signature verification failed #31606 (CORE One) #35606 (CORE One L) #26606 (MK4S) #13606 (MK4) #27606 (MK3.9S) #21606 (MK3.9) #28606 (MK3.5S) #23606 (MK3.5) 

What happened? When trying to install non-official firmware on your Original Prusa Printers, the screen shows "Firmware signature verification failed! Only official signed firmware…

BBF Allocation Failed #31531 (CORE One) #35531 (CORE One L) #26531 (MK4S) #13531 (MK4) #27531 (MK3.9S) #21531 (MK3.9) #28531 (MK3.5S) #23531 (MK3.5)

MCU overheat #35270

PCB overheat #35271

Data Timeout #35330

AC Controller Fault #35273

AC Controller Fault #35272

Link lost #35331 (CORE One L)

AC controller fault #35332

AC controller fault #35333 (CORE One L)

AC controller fault #35334 (CORE One L)

AC controller fault #35336 (CORE One L)

AC controller fault #35337 (CORE One L)

AC controller fault #35339 (CORE One L)