Suggestions And Error Corrections For Standard Ac Motor Drives - Delta C2000 series User Manual

Chapter 18 Suggestions and Error Corrections for Standard AC Motor Drives |C2000 Series
Chapter 18 Suggestions and Error
Corrections for Standard AC Motor Drives
The AC motor drive 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 AC motor drive digital keypad display. The six most
recent faults can be read from the digital keypad or communication.
The AC motor drive 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
AC motor drive in its optimal condition, and to ensure a long life.
Check your AC motor drive regularly to ensure there are no abnormalities during operation and follows
the precautions:
Wait 5 seconds after a fault has been cleared before performing reset via keypad of
input terminal.
When the power is off after 5 minutes for ≦ 22kW models and 10 minutes for ≧
30kW models, please confirm that the capacitors have fully discharged by
measuring the voltage between + and -. The voltage between + and - should be less
than 25VDC.
Only qualified personnel can install, wire and maintain drives. Please take off any
metal objects, such as watches and rings, before operation. And only insulated tools
are allowed.
Never reassemble internal components or wiring.
Make sure that installation environment comply with regulations without abnormal
noise, vibration and smell.
18-1 Maintenance and Inspections
18-2 Greasy Dirt Problem
18-3 Fiber Dust Problem
18-4 Erosion Problem
18-5 Industrial Dust Problem
18-6 Wiring and Installation Problem
18-7 Multi-function Input/Output Terminals Problem
18-1