Allen-Bradley ControlNet PLC-5 User Manual page 94

5-2 Monitoring and Troubleshooting Your ControlNet System
Indicator
PROC
FORCE
COMM
1785-UM022B-EN-P - February 2002
Color Description
Green Processor is in run
(steady) mode and fully
operational
Green Processor memory is
(blinking) being transferred to
EEPROM
Red Major fault
(blinking)
Alternating Processor in
Red and FLASH-memory
Green programming mode
Red Power cycle with
problem battery
(steady)
Red Fault with memory
loss
(steady)
Off Processor is in
program load or test
mode or is not
receiving power
Amber SFC and/or I/O forces
(steady) enabled
Amber SFC and/or I/O forces
(blinking) present but not
enabled
Off SFC and/or I/O forces
not present
Off No transmission on
channel 0
Green Transmission on
(blinking) channel 0
Probable Cause Recommended Action
Normal operation No action required
Normal operation No action required
• RSLogix 5 During RSLogix 5 download, this is
download in normal operation - wait for
progress download to complete.
• Run-time error 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
Normal operation if No action required - allow flash
processor's FLASH update to complete
memory is being
reprogrammed
Battery is low, Properly replace or install battery
disconnected or not (see Chapter 1 for more
installed information)
• New processor • Use programming software to
clear and initialize memory
• Invalid ControlNet • Verify that ControlNet address
network address switch is not set to 0
• Processor has • Install battery (to preserve
failed internal failure diagnostics), then power
diagnostics 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.
Check power supply and
connections
Normal operation No action required
Normal operation if
channel is not being
used
Normal operation if
channel is being
used