Chapter 6: Maintenance and Troubleshooting
Page 6–5
DuRApulse GS4 AC Drive User Manual – 1st Ed, Rev A - 10/20/2017
Recommended Inspection Schedules (continued)
Main circuit
Check Items Methods and Criteria
Maintenance Period
Daily
Half
Year
One
Year
If there are any loose or missing screws Tighten or replace the screw
If any drive or wiring insulation is
deformed, cracked, damaged or has
changed color due to overheating or
aging
Visual inspection
NOTE: Ignore any color
change of copper plate
If there is any dust or dirt Visual inspection
Terminals and wiring of main circuit
Check Items Methods and Criteria
Maintenance Period
Daily
Half
Year
One
Year
If the terminal color or the placement
has changed due to overheating
Visual inspection
If the wiring insulation is damaged or
there has been a color change
Visual inspection
If there is any damage Visual inspection
DC capacity of main circuit
Check Items Methods and Criteria
Maintenance Period
Daily
Half
Year
One
Year
If there is any liquid leaking, color
change, crack or deformation
Visual inspection
If the capacitor safety vent is bulging or
inflated.
Visual inspection
Measure static capacity when required
(if drive overloads/faults during normal
operation)
Measure with multimeter with
standard specification