LSIS LSLV-S100 - Annual Inspections

392
Maintenance
Inspection
area
Inspection
item
Inspection details
Inspection
method
Judgment
standard
Inspection
equipment
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.
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
parts
overheating?
Visual
inspection
Cable
connections
Are there any
corroded
Visual
inspection
No
abnormality
-