Delta Electronics VFD-G manual Transformer and reactor of main circuit

		Chapter 6 Fault Code Information and Maintenance
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
Magnetic contactor and relay of main circuit
			Maintenance
	Check Items	Methods and Criterion		Period
			Daily	Half	One
				Year	Year
	If there are any loose screws	Visual and aural inspection. Tighten	{
		screw if necessary.
	If the contact works correctly	Visual inspection	{
Printed circuit board and connector of main circuit
			Maintenance
	Check Items	Methods and Criterion		Period
			Daily	Half	One
				Year	Year
	If there are any loose screws and	Tighten the screws and press the		{
	connectors	connectors firmly in place.
	If there is any peculiar smell and	Visual inspection and smell		{
	color change
	If there is any crack, damage,	Visual inspection		{
	deformation or corrosion
	If there is any leaked liquid or	Visual inspection		{
	deformation in capacitors

Revision July 2008, EG03, SW V1.06 6-9