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Heatbed cable assembly problem  

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patsoffice
(@patsoffice)
New Member
Heatbed cable assembly problem

Hello,

I had the heatbed cable assembly have a bit of a thermal problem that completely melted the cover and likely caused some problems with the heatbed. Will order a replacement, but was curious if anybody has any thoughts what could have happened here as things have been working fine for months.

Posted : 05/03/2021 8:06 pm
patsoffice
(@patsoffice)
New Member
Topic starter answered:
RE: Heatbed cable assembly problem

And... I should have searched before posting. https://forum.prusaprinters.org/forum/original-prusa-i3-mk3s-mk3-hardware-firmware-and-software-help/heatbed-cable-melted-down/#post-209430 had the same problem.

Additionally, I'm possibly a moron and it looks like I assembled it incorrectly in the same way as the poster above did. 🙂

Posted : 05/03/2021 8:11 pm
Dan Rogers
(@dan-rogers)
Prominent Member
RE: Heatbed cable assembly problem

lessons learned. Those screws need to be tightened down well.  A little bit of loose and you'll get burning and too much heat.  Glad you found out without any great damage.

Posted : 07/03/2021 9:35 pm
Clarmrrsn
(@clarmrrsn)
Honorable Member
RE: Heatbed cable assembly problem

Nasty one, I echo Dan's sentiments.  Glad you found it in time.

Loose connections on cables can be very nasty if left for extended periods.

Saw it a few times at work with engineers who are a bit lazy, nearly set a huge M/C on fire with loose connections onto very heavy duty 24v lines.

Tank you very much!...
Posted : 08/03/2021 1:26 pm
cwbullet
(@cwbullet)
Illustrious Member
RE: Heatbed cable assembly problem

@dan-rogers

And check them often, they can loosen.  

--------------------
Chuck H
3D Printer Review Blog...
Posted : 08/03/2021 1:46 pm
Clarmrrsn
(@clarmrrsn)
Honorable Member
RE: Heatbed cable assembly problem
Posted by: @cwbullet

@dan-rogers

And check them often, they can loosen.  

Have these connections got star washers on them or is that just normal washers I see?

I know sometimes these are frowned upon, but certainly stop loosening

This post was modified 5 months ago by Clarmrrsn
Tank you very much!...
Posted : 08/03/2021 2:26 pm
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