48 Rockwell Automation Publication CNET-IN005A-EN-P - May 2011
Appendix B 1768 ControlNet Module Status Indicators
OK Status Indicator and Display
Table 7 - OK Status Indicator and Display
Status Display Description
Off None The module is not communicating due to a power supply fault or internal fault.
Do any of the following:
• Check the power supply.
• Check the cable connectors.
• Make sure the module is firmly seated in the chassis.
• Replace the module if the indicator remains off.
Steady red Msg scrolls The module’s network address is set to 00, an invalid ControlNet network address.
If switches are set to 00, the display scrolls FAULT: ADDRESS SWITCHES = 00, ILLEGAL.
Remove the module from the chassis, and set the network address to a valid value. For
more information, refer to Chapter 2
.
BPA# ERR The module detected a different slot address from that latched in when you cycled
power. Excessive noise on the backplane causes this error.
Replace the chassis or module.
BPRX ERR There are too many CRC errors being generated by the multicast backplane receiver, so
the backplane multicast receivers have been shut off.
Replace the module.
BPIC ERR There is a hardware fault within the module.
Replace the module.
CNIC ERR
DUPL NODE The module’s network address is the same as another module’s on the link.
Remove the module from the chassis, and set the network address to a unique value. For
more information, refer to Chapter 2.
RACK ERR The module cannot read backplane EEPROM, or the rack/slot address is incorrect.
Replace the chassis.
Flashing red BOOT The module has invalid firmware.
Update the module’s firmware with ControlFLASH software.
ROM UPDT An update is in progress.
SNGL KPR! The module detected that it has been connected to a ControlNet single-keeper network,
version 1.5.
Update the module’s firmware at MAC ID 01 and reschedule the network.
Steady green OK Normal operation is occurring.
INIT The module is initializing.
BW > MAX The module is receiving too much network traffic and connections are timing out. The
network bandwidth has been exceeded.
If this happens frequently, add another 1768-CNB or 1768-CNBR module and split the
traffic between them.
SW ERR The node address switch changed after cycling power.
We recommend that you either return switches to their original settings or replace the
module as this could indicate a hardware anomaly.
Flashing green CNFG ERR There is a ControlNet network configuration error.
Recheck the configuration.
NET ERR There is a network cabling error or there are no other active nodes on the network.
Recheck your network cabling and make sure another node on the network is active
(online).
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