Yaskawa Sigma Mini - Manual (Page 223)

5.1 Servo Drive Inspection and Maintenance
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5.1.2 Servopack
For inspection and maintenance of the Servopack, follow the inspection procedures in the
following table at least once every year. Daily inspection of the Servopack is not required.
SGDF-
A1CS
DC24V
CN3
C
N
5
CN4
CN1/IO CN2/PG
SERVOPACK
RDY
ALM
Item Frequency Procedure Maintenance
Clean unit interior and
circuit boards
At least
once a year
Check for dust, dirt, and oil on
the surfaces.
Clean with
compressed air or
cloth.
Loose screws At least
once a year
Check for loose terminal block
and connector screws.
Tighten any loose
screws.
Defective parts in unit
or on circuit boards.
At least
once a year
Check for discoloration, damage
or discontinuities due to heating.
Contact your Yaskawa
representative.
Part Replacement Schedule
The following parts are subject to mechanical wear or deterioration over time. To avoid failure,
replace these parts at the frequency indicated.
Part Standard
Replacement Period
Replacement Method
Smoothing Capacitor 7 to 8 years Test. Replace with new part if necessary.
Relays --- Test. Replace if necessary.
Fuse 10 years Replace with new part.
Aluminium electrolytic
capacitor
5 years Replace with new part if necessary.
Note Operating Conditions:
• Ambient Temperature: annual average 30°C
• Load Factor: 80% max.
• Operation Rate: 20 hours/day max.
5