Rockwell Automation 21G PowerFlex 750-Series AC Drives Programming Manual - Manual (Page 356)

356 Rockwell Automation Publication 750-PM001J-EN-P - October 2014
Chapter 6 Troubleshooting
xx417 Safety Cflct Alarm 1 Either
P9 [FB0 Loss Cfg] or P39
[FB1 Loss Cfg] Indicates that the Safety DIP switches are in an invalid position.
xx420 FB0FB1 Cflct Alarm 2 Indicates that the combination of the feedback selection done with P6
[FB0 Device Sel] and P36 [FB1 Device Sel] is invalid, i.e. both feedbacks
have Sin-Cos-Signals (There is only place for one set of Sin-Cos-Signals
on the Terminal Blocks). The drive cannot be started until this
configuration conflict is resolved.
xx421 Initializing Alarm 2 Indicates that the Universal Feedback State Machine is in the Initialize
State. This Type 2 alarm makes sure that the motor cannot be started
during this.
(1) xx indicates the port number. Refer to Fault and Alarm Display Codes on page 312 for an explanation.
Event
No.
(1)
Fault/Alarm Text Type Fault
Action Configuration Param Auto
Reset Description