Omron SYSDRIVE MX SERIES User Manual page 194

6-1 Inspection and Maintenance
Inspection Inspection
part item
Control Operation
circuit check
6
Parts
check
(including
PCB)
Display Digital
Operator
*1. The life of the capacitor depends on ambient temperatures. Refer to "Product Life Curve" (App-17).
*2. Clean the Inverter periodically. Accumulated dust in or on the cooling fan or heat sink can cause the Inverter
to overheat.
6-5
Inspection point
Check the balance of
output voltage levels
between phases in
Inverter run.
Check that there are
no errors in trip
detection and the
display circuit
throughout the
operation of sequence
protection.
General Check that there are
no abnormal odors or
discoloration.
Check that there is no
significant rusting.
Capacitor Check that there is no
liquid leakage or
deformation.
Check that the display
is clear.
Check that there are
no missing parts.
Check that the LED
indicators are lit
properly.
Inspection
Inspection
period
method
Daily Periodic
Measure Voltage
the phase- difference
to-phase between phases
voltage 2% max.
between
Inverter
output
terminals U/
T1, V/T2,
and W/T3.
Simulate Operates with no
the Inverter faults
trip circuit
output
Ex) Use an
external trip
etc.
Visual No faults
inspection
Visual
inspection
Visual Normal operation
inspection Display can be
read
Standard
Criteria replacement Meter
period
Digital
multimeter
Rectifier
Voltmeter
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*1 
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