Delta Electronics VFD-E manual Voltage Maintenance Check Items Methods and Criterion

Chapter 6 Fault Code Information and Maintenance

DANGER!

1.Disconnect AC power before processing!

2.Only qualified personnel can install, wire and maintain AC motor drives. Please take off any metal objects, such as watches and rings, before operation. And only insulated tools are allowed.

3.Never reassemble internal components or wiring.

4.Prevent static electricity.

Periodical Maintenance

Ambient environment

			Maintenance
	Check Items	Methods and Criterion		Period
Daily			Half	One
				Year	Year
	Check the ambient temperature,	Visual inspection and measurement
	humidity, vibration and see if
		with equipment with standard	{
	there are any dust, gas, oil or
		specification
	water drops
	Check if there are any
	dangerous objects in the	Visual inspection	{
	environment
Voltage
			Maintenance
	Check Items	Methods and Criterion		Period
			Daily	Half	One
				Year	Year
	Check if the voltage of main	Measure with multimeter with standard
	circuit and control circuit is		{
	correct	specification

Revision June 2008, 04EE, SW--PW V1.11/CTL V2.11 6-7