Rockwell Automation 1785-l11B, -L20B, -L30B, -L40B, -L40L, -L60B, -L60L, -L80B Enhanced PLC-5 Programmable Controllers Installation Instructions - Manual (Page 17)

Publication 1785-IN062A-EN-P - May 2005
Enhanced PLC-5 Programmable Controllers 17
Troubleshoot the Controller Use the controller’s status indicators with the following tables for diagnostics
and troubleshooting.
Indicator Color Description Probable Cause Recommended Action
BATT Red Battery low Battery low Replace battery within 10 days
Off Battery is good Normal operation No action required
PROC Green
(steady) Processor is in run
mode and fully
operational Normal operation No action required
Green
(blinking) Processor memory is
being transferred to
EEPROM Normal operation No action required
Red
(blinking)
Major fault RSLogix 5
download in
progress
Run-time error
During RSLogix 5 download, this
is normal operation - wait for
download to complete.
If not during RSLogix 5 download:
Check major fault bit in status file
(S:11) for error definition
Clear fault, correct problem, and
return to run mode
Alternating
Red and
Green Processor in
FLASH-memory
programming mode Normal operation if
processor's FLASH
memory is being
reprogrammed No action required - allow flash
update to complete
Continued on next page
BATT
PROC
FORCE
COMM