Rockwell Automation 1746-HSTP1 Stepper Controller Module/ User Manual - Manual (Page 15)

Publication 999-121 - December 1999
1-4 Module Overview
LED Indicator Diagnostics There are five diagnostic LED indicators provided as shown below.
Their purpose is to aid in identifying operational problems.
Figure 1.2 LED Indicators
Processor and System O.K.
Commanding a
Counterclockwise Move
An error occurred during
command mode operations
RUN
CCW
ERR
Controller Commanding
Clockwise Motion
No configuration file present
or invalid configuration
CW
FLT
RUN
CCW
ERR
CW
FLT
STEPPER