Appendix B Maintenance And Inspection - Delta Electronics ASDA-B2 series User Manual

Appendix B Maintenance and
Delta AC servo drives are based on solid state electronics technology. Preventive
maintenance is required to operate this AC servo drives in its optimal condition, and to
ensure a long life. It is recommended to perform a periodic maintenance and inspection of
the AC servo drive by a qualified technician. Before any maintenance and inspection,
always turn off the AC input power to the unit.
Be sure to disconnect AC power and ensure that the internal capacitors have

fully discharged before performing the maintenance and inspection!
Basic Inspection
After power is in connected to the AC servo drive, the charge LED will be lit which
indicates that the AC servo drive is ready.
Item
 Periodically inspect the screws of the servo drive, motor shaft, terminal block
 Ensure that oil, water, metallic particles or any foreign objects do not fall
General Inspection
 Ensure the correct installation and the control panel. It should be free from
 Ensure that all wiring instructions and recommendations are followed;
 Inspect the servo drive and servo motor to insure they were not damaged.
 To avoid an electric shock, be sure to connect the ground terminal of servo
Inspection before  Before making any connection, wait 10 minutes for capacitors to discharge
operation
(Control power is
not applied)  Ensure that all wiring terminals are correctly insulated.
 Ensure that all wiring is correct or damage and or malfunction may result.
 Visually check to ensure that there are not any unused screws, metal strips,
Revision September 2013
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VARITEL INGENIERIA ELECTRONICA S.A.
and the connection to mechanical system. Tighten screws as necessary as
they may loosen due to vibration and varying temperatures.
inside the servo drive, motor, control panel or ventilation slots and holes. As
these will cause damage.
airborne dust, harmful gases or liquids.
otherwise damage to the drive and or motor may result.
drive to the ground terminal of control panel.
after the power is disconnected, alternatively, use an appropriate discharge
device to discharge.
or any conductive or inflammable materials inside the drive.
Inspection
Content
B-1