I have the following issue when I use the MPCNC:
At the very end of a job, when the printer returns to the origin, it will stop and dispaly an error message: “Heating Failed, printer stopped”
It is not really a big deal since it happens only when the job is finished, but I was wondering why? How can I correct that?
I suppose it is triggered by Marlin, but I never asked the firmware to heat anything up, this alert original purpose being to detect if there is any difference between a targeted heating temperature and the actual one, I don’t really see why this would activate at all since I did not target any heating temperature whatsoever?
I don’t really think it is a hardware issue, I’ll try to better explain the symptoms:
-I use the machine as CNC mill (so no heating system whatsoever)
-I start a new CNC job
-It works fine
-The job arrives to the very end --> the CNC will soon finish the last path
-At this point, on the screen, I can see that it displays “heating…”
-A few seconds later, while the CNC is coming back to the origin, it stops and displays the error message. Most of the time it doesn’t have the time to reach the origin and stops somewhere in the middle.
It behaves just like, at some point, the CNC would receive a command to heat. But I don’t see any reason why, since the CNC program I use is generated by Estlcam which doens’nt have any heating features.
This really puzzles me.
So far it is not a big issue, but it will become one once I’ll want to try switching tools to do more complex parts.
Make sure you are not asking it to move in the z direction any faster then 8.5mm/s. I know it seems weird but when you overload the cpu you get weird results, that is very similar to what happens with the old RC8. It was actually a z axis speed problem.
So make sure you are using the newest fusion post processor, and the newest estlcam and set your rapids correctly. The last move is a rapid z move and then home.