User manual

Chapter 9 Maintenance and Inspection ASDA-A User Manual
4th Edition 2005/11/30, HE03 © DELTA ELECTRONICS, INC. ALL RIGHTS RESERVED
9-2
Inspection Item Inspection Content
Inspection during
operation
(Control power is
applied)
1. Ensure that the cables are not damaged, stressed excessively or loaded
heavily. When the motor is running, pay close attention on the connection of
the cables and notice that if they are damaged, frayed or over extended.
2. Check for abnormal vibrations and sounds during operation. If the servo
motor is vibrating or there are unusual noises while the motor is running,
please contact the distributor or manufacturer for assistance.
3. Ensure that all user defined parameters are set correctly.
4. Reset parameters when the servo drive is off. Otherwise, it may result in
malfunction.
5. Ensure correct operation when using a relay and request assistance should
there be any unusual noises.
6. Check for abnormal conditions of the power indicators and LED display.
9-2 Maintenance
 Use and store the product in a proper and normal environment.
 Periodically clean the surface and panel of servo drive and motor.
 Make sure the conductors or insulators are corroded and/or damaged.
 Do not disassemble or damage any mechanical part when performing maintenance.
 Clean off any dust and dirt with a vacuum cleaner. Place special emphasis on cleaning the ventilation
ports and PCBs. Always keep these areas clean, as accumulation of dust and dirt can cause
unforeseen failures.
9-3 Life of Replacement Components
 Smooth capacitor
The characteristics of smooth capacitor would be deteriorated by ripple current affection. The life of
smooth capacitor varies according to ambient temperature and operating conditions. The common
guaranteed life of smooth capacitor is ten years when it is properly used in normal air-conditioned
environment.
 Relay
The contacts will wear and result in malfunction due to switching current. The life of relay varies
according to power supply capacity. Therefore, the common guaranteed life of relay is cumulative
100,000 times of power on and power off.
 Cooling fan
The cooling fan life is limited and should be changed periodically. The cooling fan will reach the end of
its life in 2~3 years when it is in continuous operation. However, it also must be replaced if the cooling
fan is vibrating or there are unusual noises.