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JamesPet
(@jamespet)
Active Member
Hot end not reaching temp

I recently started a 24hr print.  About 10 hours into the print I got a Thermal runaway error.  Since then the I can not get the printer to get above 190 in the readings.  I did smell a little burning on the first attempt to print after the failure, but nothing since.  The I have had the printer for about a month now and no printing issues until this point.  I would appreciate any suggestions.  

Prusa MK3S+ Kit MMU2S

Posted : 10/01/2023 1:53 pm
3DCoded
(@3dcoded)
Eminent Member
RE: Hot end not reaching temp

I had a similar problem a few months when using a 30W heater cartridge instead of the stock 40W. Did you make any changes to the hotend from stock?

Posted : 10/01/2023 3:30 pm
JamesPet
(@jamespet)
Active Member
Topic starter answered:
RE: Hot end not reaching temp

No changes.  completely stock system.  

Prusa MK3S+ Kit MMU2S

Posted : 10/01/2023 3:45 pm
JamesPet
(@jamespet)
Active Member
Topic starter answered:
RE: Hot end not reaching temp

I was able to get it to load a new filament.  PLA  but after it reached temp it started to smoke and spit lava on the bed.  I think the thermistor has failed. I'll order a new one and update after. 

Prusa MK3S+ Kit MMU2S

Posted : 10/01/2023 4:42 pm
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