352 Rockwell Automation Publication 750-PM001N-EN-P - February 2017
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 that is 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 is provided to be sure that the motor cannot be
started during this state.
(1) xx indicates the port number. See Fault and Alarm Display Codes on page 308 for an explanation.
Event
No.
(1)
Fault/Alarm Text Type Fault
Action
Configuration Param Auto
Reset
Description
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