Chapter 6 Fault Code Information and Maintenance
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Revision July 2008, EG03, SW V1.06
6-9
Transformer and reactor of main circuit
Maintenance
Period
Check Items
Methods and Criterion
Daily
Half
Year
One
Year
If there is any abnormal vibration
or peculiar smell
Visual, aural inspection and smell
{
Magnetic contactor and relay of main circuit
Maintenance
Period
Check Items
Methods and Criterion
Daily
Half
Year
One
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
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.
{
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 leaked liquid or
deformation in capacitors
Visual inspection
{
Summary of Contents for AC Motor Drive VFD-G
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