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Posted · UM3 Safety Shutdown?

Does anyone know of any safety features that engage on UM printers if they detect a problem? In my situation I believe it to be the X / Y stepper motors overheating.

 

The problem: printer stops printing after about 30 minutes,lights go off, all heaters shutoff, display shows no issue for several minutes then shows X / Y motors stuck or switch broke (ER17) with the print head in the middle of the bed 

 

A little insight to my situation:

1. problem didn't exist prior to today when I updated firmware (does firmware have a way of knowing motor temps?)

2. stepper motors are getting hot enough to the tough that it is very uncomfortable to keep your hand on them (too much voltage?)

3. takes roughly the same amount of time for the shutdown to occur when trying to print the same part twice (time for motors to overheat?)

4. UM3E roughly 6 months old

 

My first thoughts are safety shutdown. I don't feel it would be an improper voltage setting from the factory that took almost 6 months to appear, nor a thermal runaway issue considering it indicates a movement problem. Any help would be great.

 

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