Delta Electronics VFD-VL manual Year, Visual, aural inspection and smell Or peculiar smell

		Chapter 6 Fault Code Information and Maintenance
„ DC capacity of main circuit
			Maintenance
	Check Items	Methods and Criterion		Period
			Daily	Half	One
				Year	Year
	If there is any leak of liquid,
	color change, crack or	Visual inspection	{
	deformation
	If the safety valve is not	Visual inspection	{
	removed? If valve is inflated?
	Measure static capacity when		{
	required
„ Resistor of main circuit
			Maintenance
	Check Items	Methods and Criterion		Period
			Daily	Half	One
				Year	Year
	If there is any peculiar smell or	Visual inspection, smell	{
	insulator cracks due to overheat
	If there is any disconnection	Visual inspection	{
	If connection is damaged?	Measure with multimeter with standard	{
		specification

„Transformer and reactor of main circuit

		Maintenance
Check Items	Methods and Criterion		Period
		Daily	Half	One
			Year	Year
If there is any abnormal vibration	Visual, aural inspection and smell	{
or peculiar smell

Revision Nov. 2008, VLE1, SW V1.03 6-13