Appendix F Suggestions and Fault Corrections for Standard AC Motor Drives
F-5
Ventilation channel of cooling system
Check Items
Methods and Criterion
Maintenance Period
Daily
Half
Year
One
Year
If there is any obstruction in the heat
sink, air intake or air outlet
Visual inspection
○
The lifetime of components
Check Items
Methods and Criterion
Replace Period
5
years
8
years
10
years
Cooling Fan
Visual inspection
○
Main Circuit-Capacitor
Visual inspection
○
NOTE
Use neutral fabrics to clean the cooling fan and use dust cleaner to remove dust when
necessary.