Rockwell Automation 1788-CNFR ControlNet Daughtercard Installation Instructions User Manual
Page 14
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14 ControlNet Daughtercard
Publication 1788-IN005A-EN-P - March 2001
Table 1: Module and I/O Status Indicators for 1788-CNF
Indicator Color
Probable Cause(s)
Recommended Action
Module
Status
(MS)
Off
•
No power
•
Host is faulted
•
Host is holding daughtercard
in reset
•
Check the power supply.
•
Ensure that the daughtercard is firmly seated in the
slot.
•
Cycle power. If the indicator remains off, replace the
daughtercard or the host.
Steady
Red
Major fault
There is a hardware fault with the module. Cycle
power. If the problem persists, replace the
daughtercard.
Flashing
Red
(Minor
fault)
Firmware update in progress
No action required (firmware update in progress).
Node address switch change
The daughtercard’s node address switches may have
been changed since power-up. Change the node
address switches back to the original setting. The
module will continue to operate properly.
Invalid module firmware
Update module firmware with ControlFlash Update
utility.
Duplicate node address
The daughtercard’s node address duplicates that of
another device. Remove power, change the node
address to a unique setting, then apply power.
Node address switch set to 00 Host must set valid node address.
Flashing
Green
No connections established
No action is required.
Steady
Green
Connections established
No action is required.
Flashing
Red/
Green
Self-test
The module is performing self-diagnostics. Wait briefly
to see if problem corrects itself. If problem persists,
check the host. If the daughtercard cannot
communicate with the host, it may remain in self-test
mode.
I/O
Status
(I/O)
Always
Off
No action is required. This LED is on during the LED
portion of the self-tests.
IMPORTANT
The Module Status and I/O Status indicators are only available on
the 1788-CNF.