Rockwell Automation 1785-L20C_L40C, D17856.5.14 ControlNet PLC-5 Programmable Controllers User Manual - Manual (Page 64)

Chapter 5
Monitoring and Troubleshooting Your
ControlNet System
5-2
The general status indicators inform you of the general operational state of
the processor.
Indicator State Description Probable Cause(s) Recommended Action(s)
BATT
Steady Red Battery low Battery low Replace battery within 10 days (typical)
BATT
Off Battery good Normal operation None
Steady Green
Processor in Run mode
and fully operational
Normal operation None
Flashing Green Processor memory being
transferred to EEPROM
Normal operation None
Flashing Red Major fault RunĆtime error
1. Check major fault bit in status file (S:11)
for error definition
2. Clear fault bit
3. Correct problem
4. Return to Run mode
Alternating Red
and Green
Processor in FLASHĆ
memory programming
Normal operation if
processor's FLASH
memory is being
reprogrammed
None
PROC
and Green
memory programming
mode
Processor FLASH
memory checksum
error
Contact your local AĆB representative for a
field firmware update
Processor memory
checksum error
Clear memory and reload program
MemoryĆmodule
error
Correct backplane switch settings, and/or
insert correct memory module
Steady Red Major fault
Internal diagnostics
failed
1. Turn power off, reseat processor, then
power up
2. Clear memory and reload your program
3. Replace EEPROM with new program
4. If still an error, replace the processor
Off
Processor in Program
Load or Test mode
Normal operation if
mode correct
None
Steady Amber SFC and/or I/O forces
enabled
FORCE
Flashing
Amber
SFC and/or I/O forces
present but not enabled
Normal operation
Off SFC and/or I/O forces not
present None
Off
No transmission on
Normal operation if
channel not being
COMM
Off
No transmission on
Channel 0
channel not being
used
COMM
Flashing Green Transmission on
Channel 0
Normal operation if
channel being used
Using the General
Status Indicators
BATT
PROC
FORCE
COMM