Delta VFD055B43A User Manual

Chapter 8 Maintenance and Inspections_VFD-B Series
Revision 10/2005, BE13, SW V4.08 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
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If there is any crack, damage,
deformation or corrosion
Visual inspection
{
If there is any liquid is leaked or
deformation in capacity
Visual inspection
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 Cooling fan of cooling system
Maintenance Period
Check Items Methods and Criterion
Daily
Half
Year
One
Year
If there is any abnormal sound or
vibration
Visual, aural inspection and turn the
fan with hand (turn off the power
before operation) to see if it rotates
smoothly
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If there is any loose screw Tighten the screw
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If there is any color change due to
overheat
Change fan
{
 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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Delta VFD055B43A Specifications

General

Brand	Delta
Model	VFD055B43A
Category	DC Drives
Language	English