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Heat bed plug melted

Posted by kevbme

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kevbme

Heat bed plug melted
August 12, 2014 12:07AM

Registered: 9 years ago
Posts: 53

This is the plug for my heat bed. Anyone know what might have caused this?

IMAG1779.jpg

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thejollygrimreaper

Re: Heat bed plug melted
August 12, 2014 01:44AM

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Registered: 11 years ago
Posts: 1,063

Quote
kevbme
This is the plug for my heat bed. Anyone know what might have caused this?

[attachment 38245 IMAG1779.jpg]

excess current,

what are those connectors rated for?

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kevbme

Re: Heat bed plug melted
August 12, 2014 02:11AM

Registered: 9 years ago
Posts: 53

I don't know. They came in the kit. So they should be the right ones.

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thejollygrimreaper

Re: Heat bed plug melted
August 12, 2014 02:38AM

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Registered: 11 years ago
Posts: 1,063

Quote
kevbme
I don't know. They came in the kit. So they should be the right ones.

it looks like one of those rc servo connectors which i think are only rated for 3amps depending on manufacturer.

what powersupply have you got?

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kevbme

Re: Heat bed plug melted
August 12, 2014 05:55AM

Registered: 9 years ago
Posts: 53

It a sanguinololu board. Fyi

I have this supply

[www.evga.com]

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thejollygrimreaper

Re: Heat bed plug melted
August 12, 2014 06:49AM

Admin
Registered: 11 years ago
Posts: 1,063

Quote
kevbme
It a sanguinololu board. Fyi

I have this supply

[www.evga.com]

i say just a case of of the connector not being rated for the current , or the crimp bit not crimped properly

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mknaap

Re: Heat bed plug melted
September 11, 2014 03:42AM

Registered: 9 years ago
Posts: 2

did you mod the sanguinololu board?
i had the same problem. solder some wires to the back to fix this bug

http://reprap.org/wiki/Sanguinololu#Bugs

/marco

Edited 1 time(s). Last edit at 09/11/2014 03:42AM by mknaap.

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kevbme

Re: Heat bed plug melted
September 11, 2014 08:53AM

Registered: 9 years ago
Posts: 53

No. I read somewhere that it's from the plug wiggling as the y moves. So I cable tied the wire to the frame an inch or 2 from the plug.