Regarding the trouble on G1B-07A* 7 pcs, please give us more informations:
1. the date of motor installation?
2. the date of motor burns?
3. general working frequency?
4. when did the motors burns after general general work?
5. more pictures including:
5-1 : all motor name plates?
5-2 : outlooking of all burned motors?
6. demaged component list of burned motors except #300142 Rectifiers which has been mentioned on previous mail?