Status signalling with LEDs and status messages
98-137654-A Chapter 8: Service & maintenance 8-9
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Service & maintenance
During service and maintenance, one of the following system status
messages may be shown:
• Service switch
• Azimuth calibration
• XIM data error
8.3.1 LEDs of the ADU modules
Each ADU module has a Power and a Service LED.
For a list of modules see Removal and replacement of ADU modules
on page 8-11.
8.3.2 LEDs in the ACU
The ACU has 3 LEDs: Power, TV Ready and Fail/Pass LED.
LED Behavior Description
Power Steady green Power supply OK
Off No power
Service Steady green Module ok, application running.
Flashing green Waiting for upload
Flashing red/green Uploading application
Steady red Module error or loading error
Table 8-1: LEDs of the ADU modules
Figure 8-5: LEDs on the ACU
LEDs
SAILOR100TM.book Page 9 Tuesday, January 29, 2013 2:44 PM