Printer Model: Neptune 4 Pro
MCU / Printerboard: Stock v1.1
Host / SBC Stock v1.1
klippy (1).log (3.1 MB)
So i have been getting stepper overheating warnings for a bit but they never went over like 50C so i ignored them, BUT now klippy is shutting down due to x stepper overheating, its at like 40c tho, how can i just tell klipper to ignore it, i already put a giant heatsink on them
ok, a update st the run current to 1.2, its apparently supposed to be at 0.8 or somthing like that
Yapp.
Either you lower the current and/or get better/active cooling for the drivers.
BTW: The topic is a bit misleading. The issue is about the stepper drivers, not the steppers themselves.
First off, can I ask what is “Stock v1.1” for both the main controller board (“Printerboard”) and “Host / SBC”?
Secondly, can I ask where are you getting these numbers from?
The TMC2209 cannot provide you with a definite temperature value and you’re not checking the temperature of the MCU.
In any case, unless you’re printing at extreme speeds, you may want to lower your stepper currents to 0.5A to 0.6A.
I used stock v1.1 as the stock one is a combo board, and i didnt know what else i should put in the host section (maybe that is use mainline klipper, aka open neptune 4)
Im getting those temps from the motors hand feel, like cooler than 60C bed, warmer than 30C one, but as EddyMI3D said, its apparently the drivers and not the motors themselves, and the error makes sense as i broke the mainboard fan and then removed it (broke a fanblade on a 11 blade fan, and theres no way to re-balance the fan)
and yes, i have it at 0.8A the original is also 0.8A which still seems a bit high but i got it to finish the print this time, but still got a overheat warning on the y driver
and my hotend cant handle 500m/s so im at like 350 usually
In the future, don’t state temperatures based on “hand feel”. You could say that something feels warmer/cooler than something else (which will be recognized as being subjective) but don’t give a specific temperature unless you have a hard value and can back it up with data from a device in the printer or you are using an instrument and can describe the methodology used. Actual temperature values will provide specific responses and could end up moving the analysis process going in the wrong direction.
Question: from what I can see, it seems like you haven’t done anything to your Neptune 4 Pro and you seem to be running it in spec - why aren’t you going to Elegoo support?
This is really a printer specific question and not really something related to Klipper.
well, its FAR from stock, unofficial firmware, diffrent hotend, btt eddy, bed assembly is completely different, and a few otheres
also those temps were ment to say that the mootrs aren’t overheating, and that theres another problem, in this case, the overheating was on the drivers
If you’ve changed that much, have you made sure the mcu/controller fan is still working? the stepper drivers will overheat without it.
??? “unofficial firmware” ???
What does that mean? When I checked your klippy.log, I didn’t see the “dirty” indicator.
In any case, what you’ve done here really is a good example of how not to ask for help.
You’ve reported temperature values which have no basis on reality and you didn’t explain or hint at the fact that you consider your printer to be highly modified.
Both these facts would have altered the answers you’ve gotten from the team here and maybe have gotten you a more comprehensive and accurate answer sooner.
It would probably also have gotten more interest in your issues - everybody here are interested in the modifications that people make and find out about their experiences.
I’m putting this admonishment in here for people who have heating problems in the future so that they provide ALL relevant information.
