Rockwell Automation 1768-CNBR CompactLogix ControlNet Communication Module Installation Instructions - Manual (Page 24)

24 CompactLogix ControlNet Interface Module
Publication 1768-IN006A-EN-P - September 2007
Interpreting the Status Indicators
Module Status Display Descriptions
Status Display
Cause Action
Off None The module is not
communicating due to a
power supply fault or
internal fault. 1. Check the power supply.
2. Check the cable connectors.
3. Make sure the module is firmly
seated in the chassis.
4. Replace the module if the indicator
remains off.
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.
1. Turn chassis power supply off.
2. Remove the module from the
chassis.
3. Set the network address switches
to a unique address, 01…99.
4. Install the module in the chassis.
5. Turn chassis power supply on if it's
off.
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
OK