My Yinding style light dims and goes back to full power...fixes?-
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  1. #1
    mtbr member
    Join Date
    Apr 2008

    My Yinding style light dims and goes back to full power...fixes?

    Here's the scoop:

    Last season I picked up what I thought was a Yinding...this exact light:

    Robot Check

    It has the 10 level programmable driver. When it's working, it's an awesome light on the helmet. I have it programmed for 10/10, 8/10, and 2/10.

    A couple rides ago, I was having trouble seeing the trail like I wanted to. It was snow/raining, so I chalked it up to that.

    Last night I went on a fat ride and the light started dimming itself during the ride. It was 18-20F out. When I felt the light head it was hot to the touch, in spite of being moving for an hour and a half in the cold. After a few minutes and cycling thru the settings again, it went back to full brightness...then back to dim(ed)

    I'm running off of a new xeccon 4 cell samsung pack.

    I'm assuming somehow the light is overheating and dimming itself. Is there a known bad connection I need to fix? Are there some simple mods I can do? I have some thermal paste here, but not sure how to go about it.

    Thanks all,

  2. #2
    Reputation: tigris99's Avatar
    Join Date
    Aug 2012
    There is a good chance something is wrong with the driver. I bought the same light and after a few months it ended up in the garbage. That's not a yinding or even a kd2, that's a kd2 clone. Thermal paste wont even help it. I would make sure there isn't some wires damaged internally or anything like that as it could be a bad connection too.

  3. #3
    mtbr member
    Join Date
    Apr 2008
    Ugh, thanks. It's a nice little light when it works. I guess that's what happens when you get a version this watered down.

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