Omron SYSDRIVE RX Series User Manual page 343

Inspection Inspection
Inspection point
part item
Check that there
are no abnormal
vibrations or
sounds.
General
Check that there
are no abnormal
odors.
Motor
Megger check
(Between the
Insulation
collective motor
resistance
terminals and
ground terminal)
*1. The life of the smoothing capacitor depends on ambient temperatures.
Refer to "Appendix-2 Product Life Curve" for the replacement reference.
*2. The life of the cooling fan varies depending on the environmental conditions, such as ambient temperature
and/or dust. Check the operation through daily inspections.
*3. The replacement reference (year/cycle) or "
life, which is not guaranteed.
Inspection period
Periodic Inspection method
Daily
1 year 2 years
Acoustic, feeling, and/
or visual inspection
Check that there is no
abnormal odor
caused by damage or
overheating.
Disconnect Inverter
main circuit terminals
U/T1, V/T2, and
W/T3, and short-
circuit the 3-phase
motor wires. Then,
use a megger to
measure the
resistance between
the motor wire and
ground terminal.
Appendix-2 Product Life Curve
6-1 Inspection and Maintenance
Criteria
No faults
No faults
5 MΩ min.
" is based on the expected design
Meter
500 V DC
megger
6
6-6