LSIS SV-iV5 Series, User Manual

Page: 90 / 131

6. Inspection and Replacement
6-2
CAUTION
The failure of the device used in the inverter may not be predicted
in advance. The failure of the device may cause the error of input
power fuse or the fault trip. If you are suspicious of the failure of
device, please contact our sales representative.
6.3 Routine Checking
A
re
a
C
h
e
c
k
in
g
p
o
in
ts
D
e
s
c
ri
p
ti
o
n
H
o
w
t
o
C
h
e
c
k
J
u
d
g
m
e
n
t
C
ri
te
ri
o
n
In
s
tr
u
m
e
n
t
O
v
e
rv
ie
w
A
m
b
ie
n
t
e
n
v
ir
o
n
m
e
n
t
Check ambient
temperature,
humidity, existence
of dust, etc..
See the Caution for
Safety.
Ambient
temperature should
be -10 ~ +40 degree
C; Freezing is not
allowed; Ambient
humidity to be 50%
or less; Dew is not
allowed.
T
e
m
p
e
ra
tu
re
m
e
te
r,
H
u
m
id
it
y
m
e
te
r,
R
e
c
o
rd
e
r
E
n
ti
re
s
y
s
te
m
Isn't there any
vibration or unusual
sound?
Judgement by visual
or auditory sense. There must be no
unusual record.
-
P
o
w
e
r,
V
o
lt
a
g
e
Is the main circuit
voltage normal
Check the voltage
among R, S, and T
phases on the
inverter
terminal .block
-
D
ig
it
a
l
M
u
lt
i
M
e
te
r
/T
e
s
te
r
M
a
in
c
ir
c
u
it
F
la
t
c
o
n
d
e
n
s
e
r
1) Isn't the liquid
inside leaked?
2) Isn't the safety
vent protruded? No
sagging
phenomenon?
Check 1) and 2) by
eyes.
There must be no
unusual result from
1) and 2).
-
C
o
o
lin
g
s
y
s
te
m
C
o
o
lin
g
fa
n
1) Isn't there any
unusual vibration or
unusual sound? 1) Turn it using
hand with the power
Off.
1) Rotate it softly -