Rockwell Automation 1756-CNB ControlLogix ControlNet Bridge Module, Series E Installation Instructions - Manual (Page 24)

24 ControlLogix ControlNet Interface Module
Publication 1756-IN604A-EN-P - February 2006
Interpret the Module Status Indicator and Display
The Module Status Indicator LED and Module Status Display table provide
diagnostic information.
Module Status Indicator LED and Module Status Display
LED 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. If the indicator remains off,
replace the module.
Red Msg
scrolls (1)
The module’s network address is
set to 00, an invalid ControlNet
network address, or 99, an
invalid ControlNet network
address if you are using
redundant control. See footnote
at end of table. 1. (Optional, see page 12.)
Turn chassis power supply off.
2. Remove the module from the
chassis.
3. Set the network address
switches to a unique address
(01-99, or 01-98 if redundant
control)
4. Install the module in the
chassis.
5. If off, turn chassis power
supply on.
BPA#
ERR The module detected a different
slot address from that latched in
at power-up. 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