Rockwell Automation Publication 20P-TG002B-EN-P - February 2018 13
Chapter 2
Component Test Procedures
This chapter provides general procedures for inspecting and testing the major
components of the drive and includes recommendations for repairs. Due to the
technical nature of this product and the variety of possible applications, not all
possible fault conditions and troubleshooting solutions can be described in this
manual.
Topic Page
Save the Parameter Configuration 14
Visual Component Inspection 15
Troubleshoot a Control Power Supply Failure 15
Troubleshoot an AC Undervoltage Fault 19
Troubleshoot an Armature Bridge Failure 20
Troubleshoot a Field Current Loss Fault 22
Power Component Test Procedures 26
Speed Feedback Device Tests 34
Thermistors and Thermal Switches 37
Relay Outputs 37
Create a Fault Report 38
What You Need When You Call Tech Support 38
IMPORTANT Using the diagnostic tests in this chapter should only be performed by
qualified personnel and only when other corrective actions have failed. All
tests assume that the control board connections have been properly made.
For common drive symptoms and corrective actions and fault
troubleshooting information, see the Troubleshooting chapter in the
PowerFlex Digital DC Drive User Manual, publication 20P-UM001
.
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