LSIS LSLV0055H100-4COFN - Annual Inspection

Maintenance
535
535
Inspectio
n area
Inspection
item
Inspection
details
Inspection
method
Inspection
standard
Inspection
equipment
terminal block.
Input/Out
put circuit
Smoothing
capacitor
Is there any
leakage from
the inside?
Visual
inspection
No abnormality
-
Is the capacitor
swollen?
Cooling
system
Cooling fan
Is there any
abnormal
vibration or
noise?
Turn off the
system and
check
operation by
rotating the fan
manually.
Fan rotates
smoothly
-
Display
Measuring
device
Is the display
value normal?
Check the
display value
on the panel.
Check and
manage
specified values.
Voltmeter,
ammeter,
etc.
Motor
All
Is there any
abnormal
vibration or
noise?
Visual
inspection
No abnormality
-
Is there any
abnormal smell?
Check for
overheating or
damage.
10.1.2 Annual Inspection
Inspection
area
Inspection
item
Inspection details
Inspection
method
Judgment
standard
Inspection
equipment
Input/Outp
ut circuit
All
Megger test
(between
input/output
terminals and
and earth
terminal)
Disconnect
inverter and
short
R/S/T/U/V/W
terminals,
and then
measure
from each
terminal to
the ground
Must be
above 5 MΩ
DC 500 V
Megger