Delta 1.07 VFD-D D - Manual (Page 131)

Chapter 6 Fault Codes and Descriptions |DD Series
6-10
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 and smell inspection {
If there is any crack, damage,
deformation or corrosion
Visual inspection
{
If there is any liquid is leaked or
deformation in capacity
Visual inspection {
„ 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
{
If there is any loose screw Tighten the screw {
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
{
NOTE
Please use the neutral cloth for clean and use dust cleaner to remove dust when necessary.