Kingfisher Plus+ Hardware Manual
9.2.2 AI-10 Module LEDs
AI-10 LEDs State Description
OK
1
OFF Module Fault (no power)
ON Module OK
1 s ON,
1 s OFF
Module Fault
LED B
(unlabelled)
1 s ON,
1 s OFF
Processor module has not communicated with the module for
more than 15 seconds (e.g. no processor module is present in
rack)
0.1 s ON,
1.9 s OFF
1
Module Fault (Module running on internal clock source as the
external crystal is faulty – module needs repair)
OFF Normal operation
LED C
(unlabelled)
ON
1
Module Fault (firmware not loaded – module needs repair)
OFF Normal operation
DC OK
OFF AI-10 loop power OFF
ON AI-10 loop power ON
1-8
(left side)
OFF Channel Input level < 1%
ON Channel Input level > 1%
1-8
(right side)
OFF Channel Normal
ON Channel Fault (under/over range, data invalid)
1
) On AI-10 v2.x only
Note: On power up some LEDs may come ON for a short time.
Hardware Manual Version 7.16
http://www.servelec-semaphore.com/
Page 140
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