Original Prusa XL

Printer troubleshooting

Extruder blob

The blob (mass of plastic accumulated around the hotend) is one of the most scary-looking printing problems you might face with your 3D printer. Removing it after it happens is…

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Multimeter usage

In many cases, we need to decide whether a component is faulty or just wrongly installed. There are also situations where we need to decide exactly which component should be replaced.…

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Clogged nozzle (CORE One, CORE One L, XL, MK4/S, MK3.9/S)

A clogged nozzle is a possible issue for FFF/FDM printers. If there are no issues, the filament is pushed into the hotend, melted, and then extruded through the nozzle. However,…

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Nextruder filament sensor (CORE One, CORE One L, MK4/S, MK3.9/S, XL)

Connect Registration Failed

Stuck filament detection #31101 (CORE One) #35101 (CORE One L) #26101 (MK4S) #13101 (MK4) #27101 (MK3.9S) #21101 (MK3.9) #17108 (XL)

PrusaLink Troubleshooting

Factory reset (CORE One L, CORE One, MK4/S, MK3.9/S, MK3.5/S, MINI/+, XL)

Clogged hotend (XL)

Status LED explained (MK4/XL)

Extruder preheat error #17202 (XL)

Connect Registration Failed #17401 (XL)

Nozzle Cleaning Failed #17834 (XL)

Filament not loading (XL)

Homing error Z #17301 (XL)

Extruder thermal runaway #17204 (XL)

Nozzle Cleaning Failed #31834 (CORE One) #35834 (CORE One L) #26834 (MK4S) #13834 (MK4) #27834 (MK3.9S) #21834 (MK3.9) #17834 (XL)

Selftest failed (XL)

Puppy error #17514 (XL)

Tool offset out of bounds #17104 (XL)

Puppy error #17513 (XL)

Extruder Mintemp error #17208 (XL)

Pin not reached #17107 (XL)

XY position invalid #17106 (XL)

XY probe unstable #17105 (XL)

Puppy error #17516 (XL)

Homing error Y #31305 (CORE One) #35305 (CORE One L) #17305 (XL)

Modular Bed Error #17319 (XL)

Homing error X #17304 (XL)

Toolchanger error #17101 (XL)

ESP error #17505 (XL)

EXTRUDER ERROR #17536 (XL)

Modular bed error #17250 (XL)

USB flash drive not connected #17602 (XL)

Heatbreak Mintemp error #17211 (XL)

Modular bed error #17257 (XL)

Unsupported firmware BBF file #17614 (XL)

Tangled filament

Loadcell not calibrated #17523 (XL)

Modular bed error #17303 (XL)

Puppy error #17521 (XL)

I2C Send Failed #17311 (XL)

Modular bed error #17256 (XL)

Heatbreak Maxtemp error #17212 (XL)

Extruder temp not matching #17210 (XL)

No FW on USB flash drive #17604 (XL)

Puppy error #17520 (XL)

Extruder Maxtemp error #17206 (XL)

Toolchanger problem #17813 (XL multi-tool)

Loadcell tare failed #17525 (XL)

Loadcell timeout #17528 (XL)

Puppy error #17522 (XL)

Modular bed error #17252 (XL)

Selftest failed (XL multi-tool)

Modular bed error #17302 (XL)

Blue Screen of Death (BSOD) #31538 (CORE One) #35538 (CORE One L) #26538 (MK4S) #13538 (MK4) #27538 (MK3.9S) #17538 (XL) #21538 (MK3.9) #28538 (MK3.5S) #23538 (MK3.5) #12538 (MINI)

Puppy error #17511 (XL)

Puppy error #17519 (XL)

ESP not connected #17533 (XL)

Puppy error #17512 (XL)

FW in internal flash corrupted #17608 (XL)

Loadcell measure failed #17526 (XL)

USB flash error #17613 (XL)

Firmware missing #17612 (XL)

Imposter! Fake signature #17606 (XL)

Marlin Request Timeout #17530 (XL)

ESP error #17506 (XL)

Modular bed error #17251 (XL)

USB Port Overcurrent #17306 (XL)

Emergency stop #17510 (XL)

Out of memory #17507 (XL)

Unsupported Buddy FW #17611 (XL)

USB Device Overcurrent #17307 (XL)

Loadcell tare error #17524 (XL)

ESP error #17504 (XL)

Loadcell Bad Configuration #17527 (XL)

Puppy error #17515 (XL)

Puppy error #17518 (XL)

Dwarf error #17503 (XL)

Hotend Heater Overcurrent #17322

Modular bed error #17254 (XL)

Puppy error #17517 (XL)

Unsupported printer model #17610 (XL)

Modular bed error #17253 (XL)

BBF Initialization failed #17532 (XL)

Hash verification failed #17607 (XL)

I2C Send Busy #17312 (XL)

Modular bed error #17501 (XL)

BBF Allocation Failed #17531 (XL)

Flash erase error #17605 (XL)

Modular Bed Error #17320 (XL)

I2C Receive undefined #17318 (XL)

I2C Send Timeout #17313 (XL)

Invalid FW size on USB flash drive #17603 (XL)

LED Memory Error #17529 (XL)

EEPROM I2C Receive Busy #17316 (XL)

I2C Receive Timeout #17317 (XL)

Under-extrusion (Nextruder printers)

Dwarf error #17502 (XL)

I2C Receive failed #17315 (XL)

PNG Buffer Full #17508 (XL)

I2C Send Undefined #17314 (XL)

Heatbed temp not matching #17209 (XL)

Heaters Timeout #31817 (CORE One) #35817 (CORE One L) #26817 (MK4S) #13817 (MK4) #27817 (MK3.9S) #21817 (MK3.9) #28817 (MK3.5S) #23817 (MK3.5) #17817 (XL) #12817 (MINI)

Filament sensor stuck #31113 (CORE One) #35113 (CORE One L) #17113 (XL) #26113 (MK4S) #13113 (MK4) #27113 (MK3.9S) #21113 (MK3.9) #28113 (MK3.5S) #23113 (MK3.5) #12113 (MINI/+)

Filament Sensors Disabled #31115 (CORE One) #35115 (CORE One L) #17115 (XL) #26115 (MK4S) #13115 (MK4) #27115 (MK3.9S) #21115 (MK3.9) #28115 (MK3.5S) #23115 (MK3.5) #12115 (MINI/+)

Homing error X #31304 (CORE One) #35304 (CORE One L) #17304 (XL)

Chamber overheating #31260 (CORE One) #35260 (CORE One L) #17260 (XL)

Chamber temperature is critical #31261 (CORE One L) #35261 (CORE One) #17261 (XL)

Crash recovery repeated crash #31811 (CORE One) #35811 (CORE One L) #26811 (MK4S) #13811 (MK4) #27811 (MK3.9S) #21811 (MK3.9) #28811 (MK3.5S) #23811 (MK3.5) #17811 (XL) #12811 (MINI)