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C
h
e
c
k
c
o
d
e
C
Communication trouble between
I/F and control P.C. boards
[L29]
(
H
-
H
W
M
)
Is communication
connector between I/F
and control P.C. boards
connected?
Is I/F P.C. board of H-HWM
normal?
h
e
c
k
c
o
d
e
n
a
m
e
YES
YES
C
1. Communication trouble between
I/F and control P.C. boards of H-HWM
. 2
I/F, control P.C. boards of H-HWM
trouble
NO
Correct connection of
NO
Replace I/F P.C. board of
Check control P.C. board
Failure → Replace.
– 89 –
a
u
s
e
connector.
H-HWM.
of H-HWM.
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Troubleshooting
