10-22
10.4.4 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 v o lta g e a t p o w e r
te rm in a ls c o rre c t?
Is L E D lit?
Is th e o p e ra tio n s w itc h to “R U N ’ ?
V o lta g e a t m o to r te rm in a l U ,V , a n d
W ?
C h e c k if v o lta g e b e tw e e n U ,V ,W
Is th e s a m e ?
1 . M o to r
2 . M o to r fa u lts
3 . In c o rre c t w irin g
IN V fa u lt
IN V fa u lt
S e t o p e ra tio n s w itc h to
“R U N ”
p o s itio n
IN V fa u lt
1 .C h e c k p o w e r s o u rc e
2 .In c o rre c t w irin g
C h e c k 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