Fuji Electric FVR-C11S-7EN Series - Page 79

8 Maintenance and Inspection 8-2
FVR-C11S-EN
8
Check part Check item How to inspect Evaluation criteria
Environment
1. Check the ambient air tem-
perature, humidit
y
, vibra-
tion, atmosphere (dust,
g
as
oil mist, waterdrops)
2. Are forei
g
n matter or dan-
g
erous objects such as
tools not left around the
equipment?
1. Measure b
y
visu-
al inspection and
the meter.
2. With visual in-
spection
1. The specified stand-
ard value must be
satisfied.
2. No forei
g
n matter or
dan
g
erous objects
left near the inverter?
Volta
g
e
Are the volta
g
es in the main
circuit and the control circuit
normal?
Measure with the
multimeter.
The specified standard
value must be satisfied.
Ke
y
pad panel
1. Is the displa
y
hard to read?
2. Are the characters com-
plete?
1., 2. Visual
inspection
1., 2. The displa
y
can
be read and is not
abnormal.
Structure such
as a frame or
cover
1. Abnormal sound or vibra-
tion?
2. Loose bolts (part to be
ti
g
htened) ?
3. Deformation or dama
g
e?
4. Discoloration b
y
overheatin
g
?
5. Stains and dust?
1. With Visual in-
spection and
hearin
g
2. Ti
g
hten more
3., 4., 5.
With visual
inspection
1., 2., 3., 4., 5.
Not abnormal.
Main circuit
Comon
1. Loose and missin
g
bolts?
2. Deformation, cracks, dam-
a
g
e, and discoloration b
y
overheatin
g
and deteriora-
tion in the equipment and
the insulation?
3. Stains and dust?
1. Ti
g
hten more
2., 3. Visual
inspection
1., 2., 3.
Not abnormal.
Note: A discolored
short-circuitin
g
bar does not
indicate a
problem.