REMEMBER TO TIGHTEN THE THUMBSCREWS for the hotend.
 
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REMEMBER TO TIGHTEN THE THUMBSCREWS for the hotend.  

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NickAtNight
(@nickatnight)
Estimable Member
REMEMBER TO TIGHTEN THE THUMBSCREWS for the hotend.

I was printing my second large GNOME.  

The Thumbscrews were not properly tightened. So the Hot End fell INTO the print after it was about 2" tall. 

The printer shut down and gave an 'overcurrent' error.

Once the print head was retrieved from the melted plastic, it recovered well.  

But it is probably a good practice to verify the thumb screws are tight on a regular basis.

Postato : 10/12/2025 3:44 pm
1 persone hanno apprezzato
Jeana769Hadley
(@jeana769hadley)
Utenti
RE: REMEMBER TO TIGHTEN THE THUMBSCREWS for the hotend.

Hello!

While printing a large GNOME, the hot end fell into the print because the thumbscrews weren’t tightened, causing an overcurrent shutdown. After clearing the melted plastic, the printer recovered, but it’s a good reminder to regularly check and tighten the thumbscrews before long jobs. 

Postato : 11/12/2025 10:42 am
NickAtNight
(@nickatnight)
Estimable Member
Topic starter answered:
RE: REMEMBER TO TIGHTEN THE THUMBSCREWS for the hotend.

PRUSA Tech support were very helpful in figuring out what had gone wrong.

Came home expecting the print to be almost finished.  Instead the machine was beeping with a fatal 'overcurrent' error.

It turned out that all it was was the thumbscrews not being tight and the head having dropped into the piece mid print.

Posted by: @jeana769hadley

Hello!

 

Postato : 11/12/2025 5:34 pm
Jürgen
(@jurgen-7)
Noble Member
RE: REMEMBER TO TIGHTEN THE THUMBSCREWS for the hotend.

Don't bother with "Jeana", it's just a spammer. They post some stuff of limited relevance -- sometimes just regurgitating a prior post via AI, like in this case. Then they come back a couple of days later to add a spam link to their signature, to advertise whatever unrelated service. It's an attempt to get a better page rank on Google by having many links to the advertised sites. 

Luckily spammers are rarely seen in the printer-specific forum sections, but pretty common in the "General" top section. If you spot a post with the signature spam link added, please report it via the "Report" button. Joan does a great job cleaning these out.   

Postato : 11/12/2025 7:09 pm
1 persone hanno apprezzato
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