I had the same problem with my iCharger 106B+. Overvolted it to 32V for a few seconds by accident.
Replaced D16 and Q26 with the following from eBay and it's working and no longer saying 'Connection Break Down'
Q26: BC807-40 Transistors PNP SMD 45V 0.5A (marking says 5C)
D16: 0.5W 20.0V ZMM20V...