Chapter 3: Service & maintenance
Troubleshooting 17
33333
Service & maintenance
Antenna LED
The antenna LED shows the status of the ADU and the Iridium link
connection. In case of an error (red), it could be an error in the ADU
or Iridium modem.
Green steady Terminal
ready
The terminal is operational and ready for
use.
Red steady Error (BDU,
ADU or
Iridium
modem)
A fatal error is detected in the system.
If possible, read out the event list.
If a critical temperature is detected
(overheating in the BDU) the product may
be restarted after cooling has been
provided. On other failures see the section
BITE events (warning sign) on page 19 or
contact your service partner.
Indicator
pattern
State Remedy
Indicator
pattern
Meaning Remedy
Off Power off Check if power is present.
Blue steady Initializing
(ADU/Iridium
modem start-
up and self-
tests)
The antenna is not yet ready. This state
may remain for approximately 120
seconds (this is not an error). If the state
persists restart the unit).
Yellow flashing Searching Normal system state, see Status
information in the mobile web interface
on page 14.
Green flashing Signal available Normal system state, see Status
information in the mobile web interface
on page 14.
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