LSIS H100 Troubleshooting Manual

3. Maintenance
36
Display
Measuring
device
Is the display value
normal?
Check the
display value on
the panel
Check the rated,
managerial value
Voltmeter,
ammeter, etc.
Motor
All
Is there any unusual
vibration or noise?
Visual
inspection
All clear
-
Is there any unusual
smell (odor)?
Check for
overheat or
damage
Annual Inspections 3.1.2
Part
Category
Check points
Method
Standard
Equipment
Input/Output
circuit
All
Megger test
(between
input/output
terminals and earth
terminal)
Disconnect the
inverter wirings
and short
R/S/T/U/V/W
terminals.
Measure each
terminal to the
ground terminal
using a Megger.
(Refer to 3.1.4
Check
Input/Output
Module)
Above 5MΩ
DC 500V Megger
Are there any loose
parts in the device?
Tighten all
screws
All clear
Are there any
evidence of
overheat?
Visual
inspection
Conductor
Connections
/Cables
Are there any
corroded cables?
Visual
inspection
All clear
-
Is there any damage
on the wire clothing?
Terminal
block
Is there any
damage?
Visual
inspection
All clear
-
Smoothing
condenser
Measure
electrostatic capacity
Measure with
capacity meter
Above 85% of the
rated capacity
Capacity meter
Relay
Is there any
chattering noise
during operation?
Visual
inspection
All clear
-
Is there any damage
on the contacts?
Visual
inspection
Resistors
Is there any damage
on the resistors?
Visual
inspection
All clear
Digital multimeter
/ Analog tester

LSIS H100 Specifications

General

Brand	LSIS
Model	H100
Category	Inverter
Language	English