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6-2
Interpret the LED Indicators
• Steady - indicator is on continuously in the defined state.
• Alternating - the two indicators alternate between the two defined states at
the same time (applies to both indicators viewed together). The two
indicators are always in opposite states, out of phase.
• Flashing - the indicator alternates between the two defined states (applies to
each indicator viewed independent of the other). If both indicators flash,
they must flash together, in phase.
Table 6.1 ControlNet status interpretation
A and
B
Off
Publication 1784-IN003D-EN-P - January 2006
Cause
• No power
• 1784-PCIC or
1784-PCICS driver
not started
• Faulted card
Action
• None or apply power to the personal
computer
• Start RSLinx software
• Verify that the 1784-PCIC or 1784-PCICS
driver has been configured properly in RSLinx
software
• Check operating system event log for details
of fault (if the personal computer's operating
system supports an event log)
• Cycle power to the computer
• Verify that you have firmly inserted the
1784-PCIC or 1784-PCICS card into a PCI local
bus expansion slot and that the expansion
slot screw is tightened
• If fault persists, contact your Rockwell
Automation representative or distributor
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