HOW TO REPLACE CLOSING COIL OF AIR CIRCUIT BREAKER,MERLIN GERIN

MERLIN GERIN CIRCUIT BREAKER CAN'T CLOSING BY REMOTE CONTROL.WE RRPLACE THE CLOSING COIL BUT STILL NOT WORKING,CONTINUE TROUBLE SHOOTING AND I FOUND OUT THE REAL CAUSE., WATCH MY VIDEO TILL THE END AND I HOPE YOU LEARN IN THIS VIDEO.. ELECTRICAL TROUBLE SHOOTING EXPERIENCE AND KNOWLEDGE SHARING VIDEO