Rockwell Automation 1785-Lx0E Ethernet PLC-5 Programmable Controllers Installation Instructions - Manual (Page 20)

Publication 1785-IN063B-EN-P - January 2006
20 Ethernet PLC-5 Programmable Controllers
Connect the Personal Computer to the PLC-5 Programmable
Controller
For more information, see:
• Enhanced and Ethernet PLC-5 Programmable Controllers User
Manual, publication 1785-UM012
• the documentation provided with your communication card
• Data Highway/Data Highway Plus/Data Highway II/Data Highway
485 Cable Installation Manual, publication 1770-6.2.2
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
43918