Iris+ blinking rear arm LED

I can't seem to find any discussion on this so I believe I might have a small problem.  My Iris plus has an intermittent blinking of the right rear arm LED and has since the first flights.  Is this normal or should I dig in to look for a faulty connection?

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  • If its blinking on its own more than likely the LED is bad and can't be repaired.

     

    Mike

     

    • You are right Mike.  I tore into it and found a bad connection at the LED-ribbon cable, not easily repairable.  Did a temporary repair until I get a new one.

      Thanks to the forum for all the help.  I've been gleaning tons of good info for the last couple of months.

      Randy

    • Hi. Where can the led cable be ordered? thank you!

    • superbrightleds.com

      component LEDs, pre wired LEDs

      They are a duplicate item ready to solder to the PDB

  • The LEDs are connected to the main battery power by normal wires. There is a resistor inside shrinkwrap, and then another solderpoint to the flex-cable of the LED. This all seems a bit brittle. I had to repair this after a crash.
  • Thanks for the info, I suspected as much but didn't want to tear into it needlessly.
  • It shouldn't be blinking. The LEDs are directly soldered to the battery cable. If it's blinking then you either have a bad/cold solder joint or a broken wire that's making intermittent connection. Check the wires and solder points. If you have a soldering iron, reflow the solder to see if that fixes the issue. If not most likely a bad wire.
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