Printer randomly stops with these weird characters on the screen
 
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DoodadsOnDemand
(@doodadsondemand)
Active Member
Printer randomly stops with these weird characters on the screen

The below image is what randomly happens during some prints. Not sure why or where to look.
Fusion 360 -  create object and export STL
PrusaSlicer-2.2.0 import STL and slice
Printer MK3 3.81-2869 - sent to the printer via octprint 1.5.3
Octoprint 1.5.3

Any help is greatly appreciated.

Thanks,
Brian

 

Printer screen

Posted : 27/01/2021 2:53 am
DoodadsOnDemand
(@doodadsondemand)
Active Member
Topic starter answered:
RE: Printer randomly stops with these weird characters on the screen

Does anyone have any ideas? This just randomly happens during a print. I cannot isolate it to a certain print or a certain layer within a print. It sometimes happens seconds into a print or hours.

Thanks,

Brian

Posted : 02/02/2021 6:45 pm
DoodadsOnDemand
(@doodadsondemand)
Active Member
Topic starter answered:
RE: Printer randomly stops with these weird characters on the screen

Just discovered it happens with just the printer sitting idle. Anyone have any idea what could be causing this?

Posted : 10/02/2021 8:15 pm
Pétur
(@petur)
New Member
RE: Printer randomly stops with these weird characters on the screen

I'm having the same problem, did you figure out what was causing the issue?

Posted : 13/01/2022 10:52 am
Diem
 Diem
(@diem)
Illustrious Member

Check the connections at both ends of the LCD cable, one end has probably vibrated loose.

Cheerio,

Posted : 13/01/2022 12:46 pm
DoodadsOnDemand
(@doodadsondemand)
Active Member
Topic starter answered:
RE: Printer randomly stops with these weird characters on the screen

I checked LCD connections they were good but still having the issue.

Posted : 13/01/2022 3:57 pm
DoodadsOnDemand
(@doodadsondemand)
Active Member
Topic starter answered:
RE: Printer randomly stops with these weird characters on the screen

I will post an update if I ever get it figured out. Luckily I have more than one printer.

Posted : 13/01/2022 4:01 pm
Diem
 Diem
(@diem)
Illustrious Member

I checked LCD connections they were good

OK, take this one to Prusa support: Log into your Eshop account, navigate to Help and live chat is at bottom right in most browsers. If not you may need to disable your ad-blocker temporarily.

Cheerio,

Posted : 13/01/2022 4:45 pm
Pétur
(@petur)
New Member
RE: Printer randomly stops with these weird characters on the screen

My LCD connections are good. I found that my heatbed thermistor is losing connection resulting in MINTEMP error but I don't know if that has anything to do with the LCD getting scrambled.

Posted : 13/01/2022 8:21 pm
DoodadsOnDemand
(@doodadsondemand)
Active Member
Topic starter answered:
RE: Printer randomly stops with these weird characters on the screen

I need to check that as well. Thanks

Posted : 13/01/2022 8:43 pm
DoodadsOnDemand
(@doodadsondemand)
Active Member
Topic starter answered:
RE:

I pulled it apart and if I wiggle the heatbed thermistor wire it results in MINTEMP ERR. Maybe that is what is causing it but I am not sure what exactly is wrong. The wire seems to be connected well at both ends.

This post was modified 2 years ago by DoodadsOnDemand
Posted : 13/01/2022 10:17 pm
Pétur
(@petur)
New Member
RE: Printer randomly stops with these weird characters on the screen

Can confirm after replacing heatbed thermistor and heatbed power cables that my issue is resolved.

Posted : 22/01/2022 8:17 pm
DoodadsOnDemand
(@doodadsondemand)
Active Member
Topic starter answered:
RE:

I can confirm after replacing the heat bed entirely since they were out of the thermistor it is now printing again. We will see how long it goes this time. I think it has printed enough now that I can say it is fixed but I have several large print jobs to do so fingers crossed!

Posted : 26/02/2022 10:17 pm
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