GE Fuji Electric MICRO-SAVER AF-300, Instructions Manual

Page: 66 / 78

TROUBLESHOOTING
I f t h e o f t h e i s l o s t b y a o r a n a b n o r m a l p h e n o m e n o n h a s o c c u r r e d , r e f e r t o t h e f o r
i t s p r o b a b l e c a u s e
I f t h e c a u s e d o e s n o t f a l l u n d e r t h e e x p l a n a t i o n , o r t h e D r i v e
I S
d a m a g e d , p l e a s e c o n t a c t y o u r d i s t r i b u t o r .
1 Diagnosis and remedy in case of protective function activation.
( 1 ) Overcurrent
Overcurrent
Overcurrent Overcurrent at
d u r i n g s t e a d y s t a t e
a c c e l e r a t i o n d e c e l e r a t i o n running
oc2
Is motor circuit W)
N o N o
N o
g r o u n d i n g
N o
C a n t h e t o r q u e
I s t h e t o r q u e
boost
boost settrng
b e r e d u c e d ?
c o r r e c t ?
N o
No
I
N o
D o e s t h e l o a d
change
s u d d e n l y ?
I
R e d u c e l o a d
or Increase
c a p a c i t y
P l e a s e c o n t a c t
Y e s
eneral Electric
Y e s
o r a m o t o r
P l e a s e c o n t a c t
General
C o m p a n y
( 2 ) Ground Fault
o r i n c r e a s e
Is o u t p u t
N o
g r o u n d e d ?
Drive failure or
d u e t o e l e c t r i c a l
P l e a s e c o n t a c t G e n e r a l E l e c t r i c
Y e s
8-3