7-18
7.4.4 Motor not running
T h e m o to r d o e s n o t ru n
Is M C C B O n ?
C a n M C C B b e tu rn e d O n ?
In p u t vo lta g e a t p o w e r
te rm in a ls co rre ct ?
Is L E D lit?
Is th e o p e ra tio n sw itch s e t to “R U N ”?
V o lta g e a t m o to r te rm in a l?
C h e ck if vo lta g e b e tw e e n o u t p u t
terminals is th e
sa m e ?
1 . M o to r
2 . M o to r fa u lts
3 . In co rre ct w irin g
Drive fa u lt
Drive fa u lt
S e t o p e ra tio n sw itch to
“RUN” position
Drive fa u lt
1 .C h e ck p o w e r so u rce
2 .In co rre ct w irin g
C h e ck w irin g
N O
Y E S
Y E S
Y E S
Y E S
Y E S
Y E S
Y E S
N O
N O
N O
N O
N O
N O