Delta Electronics 460V Series, 230V Series Voltage Maintenance Check Items Methods and Criterion

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
			Half	One
		Daily
			Year	Year
Check if the voltage of main	Measure with multimeter with standard
circuit and control circuit is
	specification
correct
Keypad
		Maintenance
Check Items	Methods and Criterion		Period
			Half	One
		Daily
			Year	Year
Is the display clear for reading?	Visual inspection
Any missing characters?	Visual inspection
Mechanical parts
		Maintenance
Check Items	Methods and Criterion		Period
			Half	One
		Daily
			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 2006, SE08, SW V2.61