36 hours print, 10 hours left, printer decides to unload filament and the MMU selector was stuck
 
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36 hours print, 10 hours left, printer decides to unload filament and the MMU selector was stuck  

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kunjalkiran
(@kunjalkiran)
Member
36 hours print, 10 hours left, printer decides to unload filament and the MMU selector was stuck

That's what I woke up to this fine morning. First of all, I don't know why it would want to do what would look like a filament swapping as it is not setup that way in the slicer. Anyway...

I unstuck the MMU, so the idler can move again freely.

I set up the MMU so that the original filament can be loaded again.

The current situation is : 

MMU respond. The middle button puts the filament in the right position for loading. The right and left buttons move the selector. 

On the printer side though, the LCD panel is completely blank. Pressing the knob seems to light up the screen but it stays blank.

Thinking "Maybe the printer needs to heat up to resume" I waited 10 minutes. Nothing happened so far. Thermal camera shows the bed and extruder are hot.

I am posting here hoping I can salvage the 26 hours I already spent so far...

Posted : 17/03/2024 9:20 am
JoanTabb
(@joantabb)
Veteran Member Moderator
RE: 36 hours print, 10 hours left, printer decides to unload filament and the MMU selector was stuck

i haven't pushed any mmu buttons since the MMU3 upgrade.

MMU2 had the buttons exposed so that you could guess which to push, the MMU3 electronics cover, covers the buttons to discourage button pushing. 

on my Mk3 error resolution has been done with the LCD Knob 

regards Joan

 

I try to make safe suggestions,You should understand the context and ensure you are happy that they are safe before attempting to apply my suggestions, what you do, is YOUR responsibility. Location Halifax UK

Posted : 17/03/2024 10:34 pm
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