Owner manual

Rockwell Automation Publication PFLEX-IN029B-EN-P - August 2014 255
Appendix A
PowerFlex 700H and 700S Diagnostic Procedures
The following diagnostic procedures can be used to determine whether specific
fan system components require replacement.
Topic Page
Fan Inverter System Block Diagrams 257
Checking the Fan Inverter Fuses 263
Checking the Main Fan Supply Wires 264
Checking the AC Fan Inverter Capacitor 265
Isolating a Faulty Fan Inverter 265
Checking the Main AC Fan Inverter Circuit Board Diagnostic LEDs 268
Testing the Main Fan Inverter Circuit Board Diagnostic LEDs 274