
Troubleshooting
Extended Local I/O
5-31
Troubleshooting
Extended Local I/O
5-31
Off
On
RPLC
Fatal Power On Self Test failure
RAM or FLASH test failed.Processor
fault or watchdog time-out.
Contact Rockwell Automation for
service
None
Hardware fault
Defective hardware
Blinking
Off
INIT
Requires ControlNet configuration
No communication with ControlNet
Configuration Manager node
Verify Configuration Manager node is
operating
IDLE
Processor not actively controlling I/O
Adapter not mapped
Verify mapping of adapter in
processor
NET
ERR
Network error
Cable error or no other nodes on
network
Verify network cabling
On
Off
RUN
Normal indication - processor is in
RUN mode
None
None
PRGM
Normal indication - processor is in
program or test mode
None
None
Blinking in unison
CODE
UPDT
Firmware update mode
Adapter firmware is being updated via
A-B Flash Update Utility
None
Blinking alternately BOOT
Running boot code
Adapter has corrupted firmware
Update adapter firmware with A-B
Flash Update Utility
OK
Indicator
Display
Mnemonic
Description
Probable Cause
Recommended Action
Green
Red
ControlNet I/O Status