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11.1 Inspection and Maintenance
11-3
Inspection, Maintenance, and
Troubleshooting
1
1
11.1.2
Σ
-V-SD Driver
(1) Inspection
For inspections and maintenance of the
Σ
-V-SD Driver, follow the inspection procedures in the table below at
least once every year.
(2) Replacement Schedule
The following electric or electronic parts are subject to mechanical wear or deterioration over time. To avoid
failure, replace these parts at the frequency indicated.
Refer to the standard replacement period in the following table, contact your Yaskawa representative. After an
examination of the part in question, we will determine whether the parts should be replaced or not.
Note: If the above operating conditions are not used, replacement may be required sooner than the standard replacement
period. To extend the life of the parts, reduce the ambient temperature. Contact your Yaskawa representative if you
require more-detailed information.
Item
Frequency
Procedure
Remedy
Exterior
At least once a year
Check for dust, dirt, and oil on surfaces.
Clean with compressed air or cloth.
Loose
screws
Check for loose terminal block and con-
nector screws.
Tighten any loose screws.
The parameters of any SERVOPACKs overhauled by Yaskawa are reset to the factory
settings before shipping. Be sure to confirm that the parameters are properly set before
starting operation.
Part
Standard
Replacement Period
Operating Conditions
Cooling Fan
4 to 5 years
• Surrounding Air Temperature: Annual average of
30
°
C
• Load Factor: 80% max.
• Operation Rate: 20 hours/day max.
Smoothing Capacitor
7 to 8 years
Relays
–
Fuses
10 years
Aluminum Electrolytic
Capacitor on Circuit Board
5 years