GTX 330/33 with ADS-B Out
190-00734-11
Maintenance Manual with ICA
Rev. 1
5-2
5.2
GTX FAILURE ANNUNCIATIONS
Table 7. GTX 330/330D Transponder Failure/Fault Messages
Failure Message
Cause
Solution
Transponder FAIL message
The internal transmit or
squitter monitors have
detected a failure.
Return the unit to Garmin.
Fatal Error Page Displayed
The GTX330/330D has failed
the internal power-up integrity
check.
Return the unit to Garmin.
NO ADSB
The transponder has
insufficient data to support
ADS-B Out transmission.
Ensure the aircraft has a clear view
of the sky.
Ensure position source (GPS) is
powered and receiving valid GPS
position data.
Ensure ADS-B TX is selected to
ON.(This option only available is
ADS-B TX is configured for
PILOT SET)
Table 8. GTX 33/33D Transponder Failure/Fault Messages
Failure Message
Cause
Solution
TRANSPONDER 1 – ADSB
is not transmitting position.
The transponder has
insufficient data to support
ADS-B Out transmission.
Ensure the aircraft has a clear view
of the sky.
Ensure GTN 6XX/7XX is powered
and receiving valid GPS position
data.
Ensure ADS-B TX is selected to
ON.
TRANSPONDER 2 – ADSB
is not transmitting position.
TRANSPONDER 1 –
Transponder 1 needs service.
The transponder is reporting a
system failure.
Return the unit to Garmin.
TRANSPONDER 2 –
Transponder 2 needs service.
The transponder is reporting a
system failure.
Return the unit to Garmin.
The document reference is online, please check the correspondence between the online documentation and the printed version.
