Fig. 60: Error diagram no. 8
General troubleshooting, Unisab III
No li g h t /t e x t i n d i s p l a y
Is st a tus diode on
controller module
flashing gree n ?
N o
Is ther e light in
gree nPower ON
dio d e on controller
module ?
Y e s
C h e c k c o n n e c t i o n an d
c a b l e to d i s p l a y.
I f n e c e s s a r y , r e p l a ce
t h e ca b l e .
D i s p l ay
O K ?
Co n t ac t J o h n so n
C o nt r o l s D e n m a r k
P r o b l e m
s o l v e d
8
C h e c k s u p p l y o n
t e rm i n a l s L a nd N
I s
v o ltag e
corr e ct? (Between
85-250 VAC) o n termi-
nal (X20/1-4).
I n t e r na l c l o c k i s n o t
r u n n i n g c o r r e c t l y
P r o b a b l y a d e f e c t i v e
b a t t e r y
R e p l a c e b a t t e ry . S e e
s e c t i o n , P a r t s r e p l a c e -
m e nt - R e p l a c i n g b a tt e r y
Ye s
Ye s
Ye s
N o
N o
N o
C h e ck / c o r r e c t
vo l t a g e s u p p l y
8
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