TROUBLESHOOTING
C h e c k a s n o t e d b e l o w
if
there is a n y t h i n g w r o n g .
If t h e trouble c a n n o t be c o r r e c t , call t h e dealer.
S y m p t o m
C h e c k
C a u s e
P o w e r s w i t c h d o e s not turn o n .
1 . P o w e r lamp not lit.
2 . S h o r t bar c o m i n g off.
3 . O v e r v o l t a g e protection w o r k e d .
P o w e r c o r d d i s c o n n e c t e d or c o n n e c t e d
d e f e c t i v e l y .
Input s w i t c h d e f e c t i v e .
Input f u s e b l o w n .
R e a r - p a n e l s h o r t bar d i s c o n n e c t e d or
l o o s e .
V o l t a g e s e t t o o l o w .
O u t p u t
v o l t a g e
i s z e r o or l o w .
1 . S h o r t bar c o m i n g off
2 . C o n s t a n t - v o l t a g e / c u r r e n t l a m p s do
not s w i t c h .
3 . A m m e t e r d e f l e c t s w i t h output off.
4 .
O s c i l l a t i n g
S h o r t bar installed d e f e c t i v e l y .
Circuit d e f e c t i v e .
O u t p u t diode b r o k e n .
Oscillation b y r e m o t e s e n s i n g .
O u t p u t is e x c e s s i v e .
1 . S h o r t bar c o m i n g off.
2 . O u t p u t v o l t a g e / c u r r e n t do not fall.
S h o r t b a r s ® - @ a n d ® - ® c o m e off.
P o w e r t r a n s i s t o r or c o n t r o l circuit
d e f e c t i v e .
O u t p u t i s not s t e a d y .
1 . S h o r t bar c o m i n g off.
2 . Input v o l t a g e w r o n g .
3 . Oscillating
4 . S e n s i n g termnal floating.
5 . S t r o n g m a g n e t i c / e l e c t r i c fields near-
by.
6 . O t h e r
S h o r t b a r i n s t a l l e d d e f e c t i v e l y .
O u t of t h e rated input v o l t a g e r a n g e .
Oscillation by s p e c i a l l o a d .
Proper c o n n e c t i o n of s e n s i n g t e r m i n a l .
K e e p a w a y f r o m oscillation s o u r c e s .
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