187
Precautions for maintenance and inspection
3
*1 It is recommended to install a device to monitor voltage for checking the power supply
voltage to the inverter.
*2 One to two years of periodic inspection cycle is recommended. However, it differs according
to the installation environment.
Consult us for periodic inspection.
C
on
tr
ol
ci
rc
ui
t /
pr
ot
ec
tive ci
rc
ui
t
Operation
check
(1) Check that the output voltages
across phases with the inverter
operated alone is balanced
{
Contact the
manufacturer
(2) Check that no fault is found in
protective and display circuits in
a sequence protective operation
test.
{
Contact the
manufacturer
Par
ts ch
eck
Overall
(1) Check for unusual odor and
discoloration.
{
Stop the device
and contact the
manufacturer.
(2) Check for serious rust
development
{
Contact the
manufacturer
Aluminum
electrolytic
capacitor
Check for liquid leakage in a
capacitor and deformation trance
{
Contact the
manufacturer
Co
o
lin
g
s
ys
te
m
Cooling fan
(1) Check for unusual vibration and
noise.
{
Replace the fan
(2) Check for loose screws and
bolts
{
Retighten
(3) Check for stain
{
Clean
Heatsink
(1) Check for clogging
{
Clean
(2) Check for stain
{
Clean
Air filter, etc.
(1) Check for clogging
{
Clean or replace
(2) Check for stain
{
Clean or replace
D
is
pl
ay
Indication
(1) Check that display is normal.
{
Contact the
manufacturer
(2) Check for stain
{
Clean
Meter
Check that reading is normal
{
Stop the device
and contact the
manufacturer.
Lo
ad m
ot
o
r
Operation
check
Check for vibration and abnormal
increase in operation noise
{
Stop the device
and contact the
manufacturer.
Are
a
of
Insp
ecti
o
n
Inspection
Item
Inspection Item
Interval
Corrective
Action at Alarm
Occurrence
C
ustom
er'
s
Ch
ec
k
Da
ily
Pe
riodic
*2
Summary of Contents for FR-S500 Series
Page 178: ...168 MEMO ...
Page 215: ...205 APPENDIX APPENDIX 1 Parameter instruction code list 206 ...