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TROUBLESHOOTING
Rev. B
5-11
5. Panel unit operation is abnormal.
R
ep
l
a
c
e the
C
P
N
L boa
r
d.
I
s
the
fau
l
t
c
o
rr
e
c
ted?
R
ep
l
a
c
e the
C
MA
I
N
boa
r
d.
D
o the
sw
i
t
c
he
s
w
o
r
k
c
o
rr
e
c
t
l
y
?
R
e
i
n
s
e
r
t
c
onne
c
to
r
CN
c
o
rr
e
c
t
l
y
.
S
T
A
R
T
D
o the
button
s
w
o
r
k
?
E
ND
E
ND
R
ep
l
a
c
e the
C
MA
I
N
boa
r
d.
I
s
the
fau
l
t
c
o
rr
e
c
ted?
Y
e
s
N
o
N
o
Y
e
s
N
o
E
ND
R
ep
l
a
c
e the
C
P
N
L boa
r
d.
N
o
N
o
Y
e
s
Y
e
s
Y
e
s
E
ND
E
ND
Us
i
ng a
m
u
l
t
i
m
ete
r
,
c
he
ck
the
sw
i
t
c
he
s
on the
C
P
N
L boa
r
d.
5
204
204
204
204
204
Is CN5
between the C204 MAIN
and C204 PNL board
connected correctly?