GE Fuji Electric MICRO-SAVER AF-300 Instructions Manual page 66

I f t h e function o f t h e Drive i s l o s t b y a failure or If 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 followmg
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 followmg
1 Diagnosis and remedy in case of protective function activation.
( 1 ) Overcurrent
Overcurrent
a c c e l e r a t i o n
I s t h e t o r q u e
C a n t h e t o r q u e
boost setting
correct?
b e r e d u c e d ?
N o
o r a m o t o r
P l e a s e c o n t a c t
General Electric
C o m p a n y
( 2 ) Ground Fault
Is Drive o u t p u t
g r o u n d e d ?
Y e s
TROUBLESHOOTING
e x p l a n a t i o n , o r If t h e D r i v e
Overcurrent
d u r i n g
d e c e l e r a t i o n
oc2
Is motor circuit (U,V, W)
N o N o
N o
I
Y e s
N o
Drive failure or misoperabon
d u e t o e l e c t r i c a l noise
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
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 .
I S
D o e s t h e l o a d
N o
s u d d e n l y ?
P l e a s e c o n t a c t
Electric
or increase
8-3
f o r
Overcurrent at
s t e a d y s t a t e
running
N o
g r o u n d i n g
R e d u c e l o a d
or Increase
c a p a c i t y
I
Y e s