Delta Electronics 115V Series Check Items Methods and Criterion Period, Change of copper plate

	Chapter 8 Maintenance and InspectionsVFD-S Series
		Maintenance
Check Items	Methods and Criterion		Period
		Daily	Half	One
			Year	Year
Check partsfor deformity or	Visual inspection
damaged
If there is any color change	Visual inspection
caused by overheating
Check for dust and dirt	Visual inspection
Main circuit
		Maintenance
Check Items	Methods and Criterion		Period
			Half	One
		Daily
			Year	Year
If there are any loose or missing	Tighten or replace the screw
screws
If machine or insulator is	Visual inspection
deformed, cracked, damaged or
	NOTE: Please ignore the color
with changed color change due
	change of copper plate
to overheating or ageing
Check for dust and dirt	Visual inspection
Terminals and wiring of main circuit
		Maintenance
Check Items	Methods and Criterion		Period
			Half	One
		Daily
			Year	Year
If the wiring shows change of
color change or deformation due	Visual inspection
to overheat
If the insulation of wiring is
damaged or the color has	Visual inspection
changed
If there is any damage	Visual inspection

Revision August 2006, SE08, SW V2.61 8-3