I have an A1 printer which has been working well, but now the nozzle won’t heat up past 0 degrees when trying to print a model; it heats up the nozzle to 250 C to load the PLA filament that I am using. What would cause this and how can I fix this? I clicked on the nozzle temperature, which took me into a controls screen and I selected the nozzle and entered 200 degrees C then returned to the print screen only yo fall back to 0 degrees C. I also did this from the Bambu Handy app with the same results. Any helpful suggestions are appreciated.
What happens if you manually set the temperature via the printer control panel and just leave it sitting for a bit? The printer will set the temp to 0 after a defined period of time, but it’s several minutes, if it’s happening quickly or irregularly, that suggests a hardware issue.
I’m thinking either you have bad firmware or a bad microSD card, but the idea of the above is just to rule out hardware first.
I’d try swapping in a different MicroSD card next, that’s an easy step.
After that, reload the firmware, the Bambu wiki covers this and there are lots of posts about it here, too.
Thank you for yhe helpful tips!
I wennt into the control panel like you said and set the nozzle temp to 200 degrees C, and it climbed up to 200C and it stayed there for several minutes,so I don’t suspect a hardware problem. Then I decided to print a different new model that I never printed before, and so far it’s printing fine. I’lltry printing that other new model later. Could it be a problem with that original model? Anything that would cause this, like a bad setting in Bambu Studio?
It’s the filament profile that sets your nozzle temperature when printing, but there are usually firmware protections that would stop a bad filament profile from setting the temperature to zero mid-print.
Just to be sure, could you link the model and I can take a look at it?
I suspect you may have a bad MicroSD - that seems to be the root of a lot of strange behaviors during the print.
Its possible [but generally wrong] to command the slicer to use 0C, so try sending a print with 100% default printer profiles to see if its a slicer/profile problem. A presliced benchy [models per printer here] is also a good data point, as it removes your slicer from the equation completely.
I would also agree w/ Carbon that a bad SD card can cause all sorts of very wierd problems, also noticable lag when first booting the printer and trying to browse thru files [generating previews, if SD card is failing itll take many minutes]
were u able to figure this out? im having the same issue. Mine happened during print tho..Target temp dropped to 0. i pause it and set it to 210 and it climbs back to 210…soon as I resume it sets itself back to 0 and cant change it back