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  1. #11
    Engineer-in-Training
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    Feb 2015
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    Looks like a loose connection caused arcing and melted the insulation on the wire.

  2. #12
    Engineer-in-Training gmay3's Avatar
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    If this happened with all stock/makerfarm parts I would let Colin know about it. If he's supplying a kit that causes this he should know about it and supply some higher temp insulated wire.

  3. #13
    Quote Originally Posted by gmay3 View Post
    If this happened with all stock/makerfarm parts I would let Colin know about it. If he's supplying a kit that causes this he should know about it and supply some higher temp insulated wire.

    actually i think if he's going to put wire onto the heated bed it needs to be higher quality wire, that wire while stranded has very thick strands and almost bends like cable instead of quality wire that has very fine strands

  4. #14
    Engineer-in-Training gmay3's Avatar
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    ^ agree with ya

  5. #15
    Engineer
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    I emailed Colin about it before i posted on the forum. I am out of warrenty (30 days)
    he suggested I try an automotive relay. if i didnt want to order a new relay

    A

  6. #16
    Engineer-in-Training gmay3's Avatar
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    I guess I would be interested in whether this is a relay issue, contact/connector issue, or a wire issue.

  7. #17
    Technician N5QM's Avatar
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    Jan 2015
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    Little Rock, AR
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    I have been noticing the lack of flexibility of the cables from the bed heater to the relay, I have been considering replacing them with the same silicon cables that I use to feed power to the relay and RAMPS board sooner rather than later because of this.

  8. #18
    Engineer-in-Training
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    Jul 2014
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    Ontario, Canada
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    Just wondering how many hours Adam had printed with before this occurred. I usually check and re-tighten my connections every 3-4 prints, which is about every 10 or so hours, and haven't noticed any issues, mind you, I print primarily PLA, with the bed set at 70c...

  9. #19
    Engineer
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    My printer has probably run for 100 hrs before this issue came up

  10. #20
    Engineer-in-Training
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    Jul 2014
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    Ontario, Canada
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    257
    Ahhh, thanks for that Adam. I'm around the same amount also, I'll keep an eye on it and see if it's an issue.

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