Allen-Bradley E Series Installation Instructions Manual page 27

Module Status Indicator LED and Module Status Display
LED Display
OK
Flashing CNFG
Green ERR
NET
ERR
Green or (2)
SO_1
Off
(2)
SO_2
(2)
SO_3
(2)
SN_1
(2)
SN_2
(2)
SN_3
(2)
?Cpt
(2)
!Cpt
(1)
If switches are set to 00 the display scrolls: "FAULT: ADDRESS SWITCHES = 00, ILLEGAL"
If switches are set to 99 in a redundant chassis, the display scrolls: "FAULT: ADDRESS SWITCHES =
99, ILLEGAL IN REDUNDANT SYSTEM"
(2)
Messages are for redundant control. These messages will be available in Series E firmware version
11.xx.
ControlLogix ControlNet Interface Module 27
Cause
ControlNet network
configuration error.
Network cabling error or no
other active nodes on network.
Old primary switchover phase 1
in progress.
Old primary switchover phase 2
in progress.
Old primary switchover phase 3
in progress.
New primary switchover phase 1
in progress.
New primary switchover phase 2
in progress.
New primary switchover phase 3
in progress.
the module has not determined
if it is compatible.
the module has determined that
it is not compatible.
Action
Recheck configuration.
Re-check your network cabling
and make sure another node on
the network is active (online).
If the display shows any message
for more than three seconds, then
the module failed during transition
from one redundancy phase to
another. Replace one or both
redundancy modules.
Replace the module with correct
type and revision.
Publication
1756-IN604A-EN-P - February 2006