LSIS SV-IS7 User Manual

Troubleshooting and Maintenance
Troubleshooting
/Maintenance
153
Inspection
area
Inspection
item
Inspection
details
Inspection Cycle
Inspection
method
Judgment standard
Inspection
equipment
Daily
Regular
(Year)
1
2
2) Is there any
damage to cable
insulation?

Terminal
block
Is there any
damage?

Visual inspection
No abnormality
Smoothing
condenser
1) Is liquid
leaking inside?
2) Is the safety
apparatus in
position? Is there
any
protuberance?
3) Check the
power failure
capacity.



1), 2) Visual
inspection
3) Measure with
a capacity meter.
1),2) No
abnormality
3) Rated capacity
over 85%
Capacity meter
Relay
1) Is there any
chattering noise
during
operation?
2) Is there any
damage to the
contacts?


1), 2) Visual
inspection
1),2) No
abnormality
Braking
resistor
1) Is there any
damage from
resistance?
2) Check for
disconnection.


1) Visual
inspection
2) Disconnect
one side and
measure with a
tester.
1) No abnormality
2) Must be within
±10% of the rated
value of the
resistor.
Digital
multimeter /
analog tester
Do not perform a megger test (insulation resistance test) on the control circuit of the inverter.

LSIS SV-IS7 Specifications

General

Brand	LSIS
Model	SV-IS7
Category	Inverter
Language	English