Garmin GTN 625 Pilot's Manual page 433

Message
DATALINK -
GDL 69 is
inoperative or
connection to GTN
is lost.
DATALINK -
GDL 88 is
inoperative or
connection to GTN
is lost.
DATALINK -
GDL 88 ADS-B
failure. Unable to
transmit ADS-B
messages.
DATALINK -
GDL 88 ADS-B
fault.
DATALINK -
ADS-B fault: UAT
receiver.
DATALINK -
ADS-B fault: 1090
receiver.
DATALINK -
GDL88 ADS-B is
not transmitting
position. Check
GPS devices.
190-01004-03 Rev. F
Description
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.
The GTN is configured
for a Garmin datalink
(GDL 88) and the GTN
cannot communicate
with the datalink. Data
from the datalink will
not be available.
GDL 88 is not able
to transmit an ADS-B
message due to a
failure with the GDL 88
system or antenna(s).
The GDL 88 has
detected a fault with
one of the GDL 88
UAT/1090 antennas.
The GDL 88 has
detected a UAT receiver
fault.
The GDL 88 has
detected a 1090
receiver fault.
The GDL 88 has
detected a position
input fault.
Garmin GTN 625/635/650 Pilot's Guide
Action
Contact dealer for service.
Contact dealer for service.
Contact dealer for service.
Contact dealer for service.
Contact dealer for service.
Contact dealer for service.
Contact dealer for service.
Foreword
Getting
Started
Xpdr Ctrl
Com/Nav
FPL
Direct-To
Proc
Wpt Info
Map
Traffic
Terrain
Weather
Nearest
Services/
Music
Utilities
System
Messages
Symbols
Appendix
Index
16-7