Delta Electronics manual Maintenance and InspectionsVFD-S Series

Chapter 8 Maintenance and InspectionsVFD-S Series

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 is any dust, gas, oil or
		specification
	water drops
	Check for any dangerous	Visual inspection	{
	objects near drive and motor
„ 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
„ Keypad
			Maintenance
	Check Items	Methods and Criterion		Period
			Daily	Half	One
				Year	Year
	Is the display clear for reading?	Visual inspection	{
	Any missing characters?	Visual inspection	{
„ Mechanical parts
			Maintenance
	Check Items	Methods and Criterion		Period
			Daily	Half	One
				Year	Year
	If there is any abnormal sound	Visual and aural inspection		{
	or vibration
	If there are any loose screws	Tighten the screws		{

8-2 Revision August 2008, SE09, SW V2.61