Rockwell Automation 1756-OF8I ControlLogix Eight-channel Isolated Analog I/O Modules - Manual (Page 159)

Rockwell Automation Publication 1756-UM540A-EN-P - May 2014 159
Troubleshoot Your Module Chapter 9
Status Indicators for the
1756-OF8I Module The following graphic shows the status indicators used with 1756-OF8I module.
The following table describes the status indicators.
ANALOG OUPUT
ST
FLT
O
K
Indicator Status Description
OK Steady green The module is in a normal operating state in Run mode.
Flashing green The module passed internal diagnostics and is not actively controlled or
the connection is open and the controller is in Program mode.
Flashing red Previously established communication has timed out.
Steady red Replace the module.
ST Steady yellow The channel is operating as expected.
Flashing yellow The channel is being calibrated.
Off The channel is not in use or is faulted.
FLT Off The channel is operating as expected.
Steady red • The channel is faulted. Some possible causes of the fault include:
– Triggered clamp alarm
– Wire off detection
– Calibration fault
For more information on these causes see Chapter 5, 1756-OF8I Isolated
Analog Output Module on page 93
Flashing red The channel is faulted. See the previous row for more information
about faults.