Rockwell Automation 1785-Lx0C15 ControlNet PLC-5 Programmable Controllers User Manual User Manual
Page 92

1785-UM022C-EN-P - February 2008
5-2
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
Red
(steady)
Power cycle with
problem battery
Battery is low,
disconnected or not
installed
Properly replace or install battery
(see Chapter 1 for more
information)
Red
(steady)
Fault with memory
loss
• New processor
• Invalid ControlNet
network address
• Processor has
failed internal
diagnostics
• Use programming software to
clear and initialize memory
• Verify that ControlNet address
switch is not set to 0
• Install battery (to preserve
failure diagnostics), then power
down, reseat processor and
power up; then reload your
program. If you are unable to
reload your program, replace the
processor. If you are able to
reload your program and fault
persists, contact Technical
Support at 440.646.6800 to
diagnose the problem.
Off
Processor is in
program load or test
mode or is not
receiving power
Check power supply and
connections
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