Garmin GNC 355, Pilot'S Manual, Page: 268 / 290

6-16 Pilot’s Guide 190-02488-01 Rev. B
Messages
Traffic System Advisories
Traffic Advisories, GPS 175 & GNC 355
ADVISORY CONDITION CORRECTIVE ACTION
1090ES traffic
receiver fault.
ADS-B LRU unable to
receive 1090 Extended
Squitter traffic.
Service required.
Contact dealer for support.
ADS-B Out fault.
Check transponder
is in correct mode.
GDL 88 reports a control
panel input failure.
Verify transponder is in the
correct mode. Contact dealer
if message persists.
ADS-B failure.
Unable to transmit
ADS-B messages.
GDL 88 is unable to
transmit ADS-B
messages due to a
failure occurring with
one of the following:
•
GPS position
•
ICAO address
verification
•
UAT transmitter
•
UAT broadcast
•
Bottom antenna
•
Bottom and top
antenna (GDL 88D
only)
Service required.
Contact dealer for support.
ADS-B fault.
GDL 88 needs
service.
ADS-B LRU reports one
of the following
conditions.
•
Low battery
•
Fan fault
•
GDL 88D fault with
only one antenna
operational
ADS-B traffic
alerting function
inoperative. ADS-B LRU reports a
CSA or TSAA/ATAS
failure.