72
GTN 725/750 Cockpit Reference Guide
190-01007-04 Rev. K
Messages
Message
Description
Action
DATALINK -
ADS-B In fault: UAT
receiver.
The ADS-B In source
has detected a UAT
receiver fault.
Contact dealer for service.
DATALINK -
ADS-B In fault:
1090 receiver.
The ADS-B In source
has detected a 1090
receiver fault.
Contact dealer for service.
DATALINK -
FIS-B
weather has failed.
The FIS-B receiver is
reporting that it has
failed. The display of
FIS-B products may be
unavailable.
Contact dealer for service.
DATALINK -
GDL 69 is
inoperative or
connection to GTN
is lost.
The GTN is configured
for a Garmin datalink
(GDL 69 or 69A)
and the GTN cannot
communicate with the
datalink. Data from
the datalink will not be
available.
Contact dealer for service.
DATALINK -
GDL 88 ADS-B
failure. Unable to
transmit ADS-B
messages.
GDL 88 is not able
to transmit an ADS-B
message due to a
failure with the GDL 88
system or antenna(s).
Contact dealer for service.
DATALINK -
GDL 88 ADS-B
fault.
The GDL 88 has
detected a fault with
one of the GDL 88
UAT/1090 antennas.
Contact dealer for service.
DATALINK -
GDL 88
ADS-B
fault. Pressure
altitude input is
invalid.
The GDL 88 has lost
communication with the
pressure altitude source.
Contact dealer for service.
