MMU2S unit restarts during prints, even in "vanilla" MK3 mode.
 
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MMU2S unit restarts during prints, even in "vanilla" MK3 mode.  

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nCeon
(@nceon)
Active Member
MMU2S unit restarts during prints, even in "vanilla" MK3 mode.

My MMU2s is restarting randomly during prints, causing the selector to recalibrate. This even occurs when I am printing with a vanilla MK3 profile and not even using the MMU2S unit.

The most obvious reason would be that there is a lose power wire or something that is disconnecting due to print vibrations, but wiggling the wires or tapping the MMU2S unit doesn't seem to make it reset so that is unlikely the issue unless it is a "resonant frequency" type of issue.

Has anyone experienced this before? Any ideas?

Posted : 06/02/2020 3:44 am
vintagepc
(@vintagepc)
Member
RE: MMU2S unit restarts during prints, even in "vanilla" MK3 mode.

Did you accidentally wire the MMU to the heat bed power rail instead of the EINSY rail?

Posted : 06/02/2020 12:33 pm
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