Delta VFD-B Series

Chapter 8 Maintenance and Inspections|VFD-B-P Series
Revision April 2009, SW V1.00 8-5
 Printed circuit board and connector of main circuit
Maintenance
Period
Check Items Methods and Criterion
Daily
Half
Year
One
Year
If there are any loose screws and
connectors
Tighten the screws and press the
connectors firmly in place.
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If there is any peculiar smell and
color change
Visual inspection and smell
{
If there is any crack, damage,
deformation or corrosion
Visual inspection
{
If there is any liquid is leaked or
deformation in capacity
Visual inspection
{
 Ventilation channel of cooling system
Maintenance
Period
Check Items Methods and Criterion
Daily
Half
Year
One
Year
If there is any obstruction in the
heat sink, air intake or air outlet
Visual inspection
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