LSIS LSLV-S100 - Annual Inspections

348
Maintenance
Inspection
area
Inspection
item
Inspection details
Inspection
method
Judgment
standard
Inspection
equipment
Input/Output
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 Inspections
Inspection
area
Inspection item
Inspection
details
Inspection
method
Judgment
standard
Inspection
equipment
Input/Output
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
terminal using
a Megger.
Must be
above 5 MΩ
DC 500 V Megger
Is there
anything loose
in the device?
Tighten up all
screws.
No
abnormality
Is there any
evidence of
Visual
inspection