Yaskawa FSP Amplifier - Manual (Page 268)

FSP Amplifier User’s Manual Chapter 9: Inspection, Maintenance, and Troubleshooting
9-3
9.1.2. Servo Amplifier Inspection
For inspection and maintenance of the servo amplifier, follow the
inspection procedures in the table below. Perform inspection and
maintenance at least once a year. Other routine inspections are not
required.
Action or Problem Frequency Procedure Comments
Clean interior and circuit
boards
At least every year
Check for dust, dirt, and oil
on the surfaces. Clean with compressed
air.
Loose screws At least every year
Check for loose terminal
block and connector
screws.
Tighten any loose
screws.
Defective parts in unit or
on circuit boards
At least every year
Check for discoloration,
damage or discontinuities
due to heating.
Contact YEA
„ 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.
The parameters of any servo amplifiers overhauled by YEA are reset to the
default (standard factory) settings before shipping. Be sure to confirm that
the parameters are set to the application’s requirements before starting
operation.
Part Standard Lifespan Replacement Method
Cooling fan 4 to 5 years Replace with new part.
Smoothing capacitor 7 to 8 years Test. Replace with a new part, if necessary.
Relays — Test. Replace if necessary.
Fuse 10 years Replace with new part.
Aluminum electrolytic
capacitor on circuit board
5 years
Test. Replace with new circuit board, if
necessary.
Operating Conditions:
Ambient Temperature: Annual average of 30°C.
Load Factor: 80%, maximum.
Operation Rate: 20 hours / day, maximum.