Chapter 6: Maintenance and Troubleshooting
Page 6–7
DuRApulse GS4 AC Drive User Manual – 1st Ed, Rev A - 10/20/2017
Recommended Inspection Schedules (continued)
Cooling fan of cooling system
Check Items Methods and Criteria
Maintenance Period
Daily
Half
Year
One
Year
If there is any abnormal sound or
vibration
Visual, audible 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
overheating
Change the fan
Ventilation channel of cooling system
Check Items Methods and Criteria
Maintenance Period
Daily
Half
Year
One
Year
If there is any obstruction in the heat
sink, air intake or air outlet
Visual inspection
Please use a clean lint free cloth for cleaning and use a dust cleaner to remove dust when
necessary.