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Extruder went cold after pause  

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jweaver
(@jweaver)
Honorable Member
Extruder went cold after pause

Today I tried Pause/Resume for the first time.

The Pause went as expected.. But I almost immediately selected 'resume' and got the message "Heating......".. But whilst the bed stayed at 60/60, the extruder went to 200/0 and decreased continuously.

I tried to pause/resume a few more times, but it seems to see if I could trigger the extruder into life, but nothing happened, so I had to "stop" the job.

This stinks of a bug.. are there any known issues with Pause/Resume? (I am on the latest firmware by the way 3.3.1)

Jon

Posted : 26/08/2018 1:34 pm
j1m1sh
(@j1m1sh)
Active Member
Re: Extruder went cold after pause

Jon,

I've experienced this twice with the Pause/Resume feature (but not every time).

I worked around it by manually setting the nozzle temperature (LCD Menu - Settings - Temperature - Nozzle). I don't think you need to cancel the print when it occurs.

jim

Posted : 31/08/2018 6:18 pm
Nikolai
(@nikolai)
Noble Member
Re: Extruder went cold after pause

You're not alone. Github issue is already placed:
https://github.com/prusa3d/Prusa-Firmware/issues/949

I had this issue once. Had to set the temperature manually Tune-> ... and it worked fine. So the workaround does work, no need to cancel the print.

Often linked posts:
Going small with MMU2
Real Multi Material
My prints on Instagram

Posted : 31/08/2018 8:17 pm
jweaver
(@jweaver)
Honorable Member
Topic starter answered:
Re: Extruder went cold after pause

Thanks both... i am goimg to do some more tests and if this happens again, will reheat manually.

Posted : 01/09/2018 1:08 am
jweaver
(@jweaver)
Honorable Member
Topic starter answered:
Re: Extruder went cold after pause

I had to use pause today for a genuine reason. And again, resume didnt switch the heater back on.. but ss you pointed out, manually setting the temperautre worked perfectly.

Posted : 01/09/2018 3:29 pm
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