Rockwell Automation 1746-HSRV SLC Servo Control Module User Manual - Manual (Page 166)

Publication 1746-6.1.2 - July 2000
Troubleshooting 10-7
The following table shows the status indicators for the LEDs and what
action might need to be taken.
Error Messages and
Diagnosis The following tables provide a numerical listing of informational
messages, minor fault messages, and major fault messages
accompanied by potential causes and possible resolutions.
When the LED status indicators
are: Your system status is: And the action to take is:
RUN
FDBK/U.PWR
CONFIG INV On
Off
Off System O.K. Continue
RUN
FDBK/U.PWR
CONFIG INV Off
Off
Off Power is not applied or there is a
catastrophic
failure. Apply power
RUN
FDBK/U.PWR
CONFIG INV Off
Off
On Hardware failure 1. Troubleshoot
2. Repair the hardware that failed
RUN
FDBK/U.PWR
CONFIG INV Off
On
Off Hardware failure 1. Troubleshoot
2. Repair the hardware that failed
RUN
FDBK/U.PWR
CONFIG INV Off
On
On Power-up or RAM failure 1. Verify power supply connections for +24,
±15, +5, and encoder feedback signals
2. Troubleshoot
3. Repair power-up problem or contact
Allen-Bradley for RAM failure
RUN
FDBK/U.PWR
CONFIG INV On
Off
On Configuration not loaded 1. Check your program configuration
2. Repair your program configuration
RUN
FDBK/U.PWR
CONFIG INV On
On
Off Feedback fault (broken wire, quadrature
fault)
or loss of user power 1. Troubleshoot
2. Repair the feedback wire or the reason
for the loss of user power
RUN
FDBK/U.PWR
CONFIG INV On
On
On Configuration not loaded and loss of user
power 1. Check your program configuration
2. Repair your program configuration
3. Repair the reason for loss of user power