Gtx Troubleshooting - Garmin G1000 Nxi System Maintenance Manual

GTX Troubleshooting

GTX Alerts
Failure Message
MANIFEST – GTX1 software
mismatch. Communication
halted.
MANIFEST – GTX2 software
mismatch. Communication
halted.
XPDR1 CONFIG – XPDR1
configuration error. Config service
req'd.
XPDR2 CONFIG – XPDR2
configuration error. Config service
req'd.
XPDR1 SRVC – XPDR1 needs
service. Return unit for repair.
XPDR2 SRVC – XPDR2 needs
service. Return unit for repair.
XPDR1 FAIL – XPDR 1 is
inoperative.
XPDR2 FAIL – XPDR 2 is
inoperative.
XPDR 1 ADS-B NO POS –
Transponder ADS-B is not
transmitting - OR -
XPDR 1 ADS-B NO TX –
Transponder ADS-B out failed
XPDR 2 ADS-B NO POS –
Transponder ADS-B is not
transmitting - OR -
XPDR 2 ADS-B NO TX –
Transponder ADS-B out failed.
G1000 NXi System Maintenance Manual
King Air 300 Series
190-00716-N1
Cause
The system has detected an
incorrect software version loaded
in the specified GTX unit.
The system has detected a
configuration mismatch for the
specified GTX unit.
The G1000 has detected a failure
in the specified GTX
The specified GTX is not
responding.
The specified GTX transponder is
not able to transmit ADS-B data.
Solutions
Reload software.
•
Perform a SET>ACTV
configuration reset on the GTX
Config page and verify the aircraft
registration is present.
•
If error is still present, reload config
files from a loader card.

If problem persists, replace
master configuration module,
check config module harness
for faults and replace if
necessary.
NOTE
New Terrain/Obstacle cards, Jeppesen
Aviation Database and other optional
features (i.e. TAWS unlock card) will
need to be replaced if the master
configuration module is changed. The
G1000 System ID number will change
to a new number when installing a new
master config module. The old Terrain
and other databases will no longer work
as they will remain locked to the old
System ID number.
•
Replace GTX unit.
•
Return unit to an Authorized Repair
Facility for service.
•
Check wiring between GIA's and
GTX.
•
Replace GTX unit.
•
Return unit to an Authorized Repair
Facility for service.
•
Wait for GPS receivers to obtain a
position lock.
•
Check wiring between GIA's and
GPS antenna.
•
Check wiring between GIA's and
GTX.
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