Rockwell Automation 1785-Lxxx Enhanced and Ethernet PLC-5 Programmable Controllers - Manual (Page 351)

Publication 1785-UM012D-EN-P - July 2005
Troubleshooting F-3
FORCE Amber
(steady) SFC and/or I/O forces enabled Normal operation No action required
Amber
(blinking) SFC and/or I/O forces present
but not enabled
Off SFC and/or I/O forces not
present
COMM Off No transmission on channel 0 Normal operation
if channel is not
being used
Green
(blinking) Transmission on channel 0 Normal operation
if channel is being
used
Indicator Color Description Probable Cause Recommended Action