Take a look at his photos? Wonder if this will turn out to be a common fault? His is faulty like mine, 2 Green LED's in one arm, all the rest 3. This is why mine went back, and notice his is also the centre green LED gone.
http://provideocoalition.com/jfoster/st ... -for-gopro
http://provideocoalition.com/jfoster/st ... -for-gopro