Delta BLD-E1 brushless DC motor drive BLD-E1 Series - Manual (Page 168)

Chapter 6 Fault Code Information and Maintenance| BLD-E1 Series
Revision May 2009, 00DE, V0.50 6-11
Maintenance
Period
Check Items Methods and Criterion
Daily
Half
Year
One
Year
If there is any crack, damage,
deformation or corrosion
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 change of color due
to overheating
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
Aural inspection {