Originally Posted by
GerryH
Do you use high current charge/discharge cycles?
Does the charger still work on 2nd channel?
Nick Adams on Youtube has a bunch of videos on icharger Duo repairs. Most common problem is a blown power fet, but there can also be fuses and resistors that are bad.
Yes b still works and iv watched the videos. I found one diode blown and one fet. Fet was easy to find the diode iv not found yet.