Hitachi RAS-E08H2A - Page 84

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L
D301
b
links 2 times.
P
e
ak curr
e
nt-cut.
Is t
h
e intelli
g
ent power
module
(IPM) normal
?
R
eplace t
h
e intelligent power
module
(
the main P
.
W
.B.).
LD301
b
links 1 time.
R
eset stop.
H
o
w
e
v
e
r
, t
h
e unit alwa
y
s r
e
s
et
s
an
d
stops just a
f
ter power is supplied:
t
hi
s
doe
s
not indicate a
f
ault.
I
s the reset circuit normal
?
Normall
y
, pin 7 o
f
CN18 is approx. 5V
.
R
eplace t
h
e main
P
.
W
.B.
M
a
k
e sure a
g
a
i
n t
h
at
connector
s
are connecte
d
secure
ly
.
Pe r
f
orm
f
inal operation
che
ck.
Y
e
s
Y
e
s
Y
e
s
N
o
No