Chapter 6 Maintenance - Delta HES Series User Manual

The Hybrid Servo Controller has a comprehensive fault diagnostic system that includes several different
alarms and fault messages. Once a fault is detected, the corresponding protective functions will be
activated. The following faults are displayed as shown on the Hybrid Servo Controller digital keypad
display. The six most recent faults can be read from the digital keypad or communication.
The Hybrid Servo Controller is made up by numerous components, such as electronic components,
including IC, resistor, capacity, transistor, and cooling fan, relay, etc. These components can't be used
permanently. They have limited-life even under normal operation. Preventive maintenance is required to
operate this Hybrid Servo Controller in its optimal condition, and to ensure a long life.
Check your Hybrid Servo Controller regularly to ensure there are no abnormalities during operation and
follows the precautions::
Wait for five minutes after the Hybrid Servo Controller with power
disconnected with power supply and wait for ten minutes for units with power ≧
30kW and verify that the charging indicator is off. Measure to make sure that the DC
voltage between terminals
inspection.
Only qualified personnel can install, wire and maintain Hybrid Servo Controller.
Please take off any metal objects, such as watches and rings, before operation. And
only insulated tools are allowed.
Never attempt any alternation of the Hybrid Servo Controller.
Make sure that installation environment comply with regulations without abnormal
noise, vibration and smell.

Chapter 6 Maintenance

Maintenance and Inspections
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6-1
Chapter 6 Maintenance|HES Series
is lower than DC25V before starting the
22kW is
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