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Advanced Charger selector knob broke off?

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    Advanced Charger selector knob broke off?

    Anyone else experience this with the 300W Advanced Charger from Luna? I was carrying the charger in a bag on the way to work, and when I arrived I noticed the power input selector knob broke into pieces and fell off. I can still change the setting but it's more difficult than when the larger knob is on there.
    Power input knob broken into pieces.

    #2
    I'd just epoxy the two pieces of knob back together, or form a new knob out of Sugru. But you don't wanna glue the knob to the shaft.
    Thanks for the warning about transporting the charger.

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      #3
      I can send you a knob if you want to pay shipping. It's one of the greenish ones from the latest version but it'll fit.

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        #4
        Originally posted by PatrickGSR94 View Post
        Anyone else experience this with the 300W Advanced Charger from Luna? I was carrying the charger in a bag on the way to work, and when I arrived I noticed the power input selector knob broke into pieces and fell off. I can still change the setting but it's more difficult than when the larger knob is on there.
        Where is Radio Shack when you need them.

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          #5
          Same thing happened to me, but I think the switch broke internally as well.
          The charger is acting oddly and cycles on/off/on/off when the battery gets near full.
          Does Luna have a replacement switch, or does anyone know if I can buy a generic replacement part from an electronics shop?

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            #6
            Cycling on/off near full is part of what it is supposed to do, that is part of the cc/cv charge cycle..

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              #7
              Knobs like that are easy to find. Parts Express has em, for example.

              For the switch, Parts Express or Mauser would have one. You'd just need to find it. 5 position rotary switch, or whatever
              Fabrication is fun! Build something today. Show someone. Let them help. Inspire and share. Spread the desire.

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                #8
                Thanks for the quick responses!
                The cycling on/off is beyond how it has performed in the past.
                It's like the whole unit is turning on/off, fan, leds, etc.
                It's seems to be doing this around 53 volts, and not getting a full charge.
                I'm not sure how a broken switch could cause this, but I think it's too much of a coincidence to be anything else.

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