LSIS S100 User Manual

Maintenance
243
Inspection
area
Inspection item
Inspection
details
Inspection
method
Judgment
standard
Inspection
equipment
Is there any
damage to
cable
insulation?
Terminal block
Is there any
damage?
Visual
inspection
No
abnormality
-
Smoothing
condenser
Measure
electrostatic
capacity.
Measure with
capacity meter.
Rated
capacity over
85%
Capacity meter
Relay
Is there any
chattering
noise during
operation?
Visual
inspection
No
abnormality
-
Is there any
damage to the
contacts?
Visual
inspection
Braking resistor
Is there any
damage from
resistance?
Visual
inspection
No
abnormality
Digital multimeter /
anaog tester
Check for
disconnection.
Disconnect
one side and
measure with a
tester.
Must be
within ±10%
of the rated
value of the
resistor.
Control
circuit
Protection
circuit
Operation
check
Check for
output voltage
imbalance
while the
inverter is in
operation.
Measure
voltage
between the
inverter output
terminal U/ V/
W.
Balance the
voltage
between
phases: within
4V for 200 V
series and
within 8V for
400 V series.
Digital multimeter
or DC voltmeter
Is there an error
in the display
circuit after the
sequence
protection test?
Test the
inverter ouput
protection in
both short and
open circuit
conditions.
The circuit
must work
according to
the sequence.
Cooling
system
Cooling fan
Are any of the
fan parts loose?
Check all
connected
parts and
tighten all
screws.
No
abnormality
-
Display Display device
Is the display
value normal?
Check the
command
value on the
display device.
Specified and
managed
values must
match.
Voltmeter,
Ammeter, etc.

LSIS S100 Specifications

General

Brand	LSIS
Model	S100
Category	DC Drives
Language	English