Troubleshooting

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

The filament sensor equipped on our Nextruder printers detects the presence of a filament and filament run-out. The sensor is a Hall sensor, triggered by a mechanism composed of…

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

The Prusa CORE One, CORE One L, 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…

Hotend preheat error #31202 (CORE One) #35202 (CORE One L) #26202 (MK4S) #13202 (MK4) #27202 (MK3.9S) #21202 (MK3.9)

What happened? The printer is showing the message "Hotend preheat error: Check the print head heater and thermistor wiring for potential damage" Error name: Hotend preheat error Error…

Bed preheat error #31201 (CORE One) #35201 (CORE One L) #26201 (MK4S) #13201 (MK4) #27201 (MK3.9S) #21201 (MK3.9) #28201 (MK3.5S) #23201 (MK3.5)

Bed thermal runaway #31203 (CORE One) #35203 (CORE One L) #26203 (MK4S) #13203 (MK4) #27203 (MK3.9S) #21203 (MK3.9) #28203 (MK3.5S) #23203 (MK3.5)

Bed mintemp error #31207 (CORE One) #35207 (CORE One L) #26207 (MK4S) #13207 (MK4) #27207 (MK3.9S) #21207 (MK3.9) #28207 (MK3.5S) #23207 (MK3.5)

ESP Error #31504 (CORE One) #35504 (CORE One L) #26504 (MK4S) #13504 (MK4) #27504 (MK3.9S) #21504 (MK3.9) #28504 (MK3.5S) #23504 (MK3.5)

Heatbreak MAXTEMP Error #31212 (CORE One) #35212 (CORE One L) #26212 (MK4S) #13212 (MK4) #27212 (MK3.9S) #21212 (MK3.9)

Bed maxtemp error #31205 (CORE One) #35205 (CORE One L) #26205 (MK4S) #13205 (MK4) #27201 (MK3.9S) #21201 (MK3.9) #28201 (MK3.5S) #23201 (MK3.5)

Loadcell Bad Configuration #31527 (CORE One) #35527 (CORE One L) #26527 (MK4S) #13527 (MK4) #27527 (MK3.9S) #21527 (MK3.9)

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)

Hotend maxtemp error #31206 (CORE One) #35206 (CORE One L) #26206 (MK4S) #13206 (MK4) #27206 (MK3.9S) #21206 (MK3.9) #28206 (MK3.5S) #23206 (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)

File system error #31613 (CORE One) #35613 (CORE One L) #26613 (MK4S) #13613 (MK4) #27613 (MK3.9S) #21613 (MK3.9) #28613 (MK3.5S) #23613 (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)

Loadcell Tare Error #31524 (CORE One) #35524 (CORE One L) #26524 (MK4S) #13524 (MK4) #27524 (MK3.9S) #21524 (MK3.9)

Blue Screen of Death (BSOD)

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)

Loadcell Tare Failed #31525 (CORE One) #35525 (CORE One L) #26525 (MK4S) #13525 (MK4) #27525 (MK3.9S) #21525 (MK3.9)

ESP Error #31506 (CORE One) #35506 (CORE One L) #26506 (MK4S) #13506 (MK4) #27506 (MK3.9S) #21506 (MK3.9) #28506 (MK3.5S) #23506 (MK3.5)

ESP Error #31505 (CORE One) #35505 (CORE One L) #26505 (MK4S) #13505 (MK4) #27505 (MK3.9S) #21505 (MK3.9) #28505 (MK3.5S) #23505 (MK3.5)

Unsupported BBF version #31614 (CORE One) #35614 (CORE One L) #26614 (MK4S) #13614 (MK4) #27614 (MK3.9S) #21614 (MK3.9) #28614 (MK3.5S) #23614 (MK3.5)

Unsupported printer type #26610 (MK4S) #13610 (MK4) #27610 (MK3.9S) #21610 (MK3.9) #28610 (MK3.5S) #23610 (MK3.5) #31610 (CORE One)

Hotend temp not matching #31210 (CORE One) #35210 (CORE One L) #26210 (MK4S) #13210 (MK4) #27210 (MK3.9S) #21210 (MK3.9)

Under-extrusion (Nextruder printers)

Heatbed temp not matching #26209 (MK4S) #13209 (MK4) #27209 (MK3.9S) #21209 (MK3.9) #28209 (MK3.5S) #23209 (MK3.5) #31209 (CORE One)

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)

Nozzle Timeout #31819 (CORE One) #35819 (CORE One L) #26819 (MK4S) #13819 (MK4) #27819 (MK3.9S) #21819 (MK3.9) #28819 (MK3.5S) #23819 (MK3.5) #17819 (XL) #12819 (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/+)

Fil. sensor troubleshooting #31114 (CORE One) #26114 (MK4S) #13114 (MK4) #27114 (MK3.9S) #21114 (MK3.9) #28114 (MK3.5S) #23114 (MK3.5)

Chamber Mintemp error #31215 (CORE One) #35215 (CORE One L)

Accelerometer communication failed #31323 (CORE One) #26323 (MK4S) #13323 (MK4) # 27323 (MK3.9S) #21323 (MK3.9)

ESP not connected #31533 (CORE One) #35533 (CORE One L) #26533 (MK4S) #13533 (MK4) #27533 (MK3.9S) #21533 (MK3.9) #28533 (MK3.5S) #23533 (MK3.5)

Print preview MMU filament inserted #31806 (CORE One) #26806 (MK4S) #13806 (MK4) #27806 (MK3.9S) #21806 (MK3.9) #28806 (MK3.5S) #23806 (MK3.5)

Crash recovery home fail #31812 (CORE One) #35812 (CORE One L) #26812 (MK4S) #13812 (MK4) #27812 (MK3.9S) #21812 (MK3.9) #28812 (MK3.5S) #23812 (MK3.5) #17812 (XL) #12812 (MINI)

Prusa CORE One