Visualization of the Module States
(Original Document)
Status Display
The module state is displayed by the status displays B, Active, F.
LED states:
LED
On
Flashing
Off
B (green)
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Indicates data exchange between the module and slave.
No data exchange.
Active (green)
Indicates that the AS-i module is managed via the local CPU, RIO or the DIO expansion adapter.
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AS-i module not active.
F (red)
Indicates a module error.
Indicates that there is an external I/O error (this could mean an error on a slave with address 0, or an error in the AS-i bus configuration).
No module error present.