Garmin GTX 330D Maintenance Manual page 54

Pressure
G round Test
A ltitude
A lert W arning
P ressure
G round Test
A ltitude Input
M ode
W arning
C ause
C ause
S ystem in ground P ressure altitude
test m ode is not valid
Corrective C orrective
A ction A ction
V erify wiring from
Power cycle the G TX
pressure sensor
Verify G TX and
pressure sensor are
properly configured
Verify pressure
sensor is functioning
If using the G AE,
verify connections
and then recalibrate
R eset config and
config m odule
R econfigure unit
R eload softw are
190-00734-11
Rev. 6
A D S -B
TAS /TCA S
P osition Input
W arning
W arning
N o A D S -B
TAS/TC AS
P osition Input
Input W arning
W arning
C ause
C ause
TA S/TC AS is configured G P S position
on the G TX and no data unavailable w ith AD S -B
is received or the TAS / In and/or O ut enabled.
TC AS system is reporting (for AD S-B O ut, the unit
a failure. is not in standby)
C orrective Corrective
A ction A ction
V erify w iring w ith TAS/
V erify position source is
TC A S system
available, pow ered on,
and properly configured
V erify TA S/TC AS
system has the required
V erify G PS antenna is
and valid data (i.e.
S B AS com patible
P osition, Altitude,
Heading, etc.)
Verify G P S antenna
has clear view of the
sky
Verify the TA S/TC A S is
configured properly
V erify the TAS /TCA S
system has not failed
Figure 5-4 GTX 3X5 Transponder Alerts
G TX 3X 5 M essages
A D S-B In
Traffic
Alerting
Fault
C S A Fault
C ause
A D S-B IN processing is enabled and
the input data does not m eet the
perform ance specifications.
- G PS horizontal position unavailable
- G PS velocity unavailable
- G PS tim e unavailable
- H FO M m ust be better than 0.5N M
- P ressure altitude unavailable or G PS
altitude and V FO M w orse than 45m
C orrective
A ction
Verify A D S-B In traffic is properly
installed and configured,
display source ,
heading source ,
G P S source
Are all configured properly
V erify valid G PS antenna has
clear view of the sky
Position source is available ,
properly configured and pow ered
Reset configuration and
configuration m odule, then
reconfigure unit
R eload software
Sheet 3 of 5
Traffic
Fault
Traffic
P rocessing
Fault
C ause
AD S -B In is enabled and an additional A DS -B In is enabled and an additional
fault has occured . fault has occured.
- A D S -B / AD S -R / TIS -B Fault - AD S-B / A D S -R / TIS -B Fault
- TA S /TC AS Input W arning - TA S /TC AS Input W arning
- C S A Fault - CS A Fault
- G P S Fault - G P S Fault
- P ressure A ltitude W arning - Pressure A ltitude W arning
- A D S -B In E lectrical Fault - AD S-B In Electrical Fault
- Internal com m unication betw een the - Internal com m unication betw een the
m ain and AD S -B boards m ain and A DS -B boards
C orrective
A ction
V erify the position source is
available, pow ered on and
properly configured
Inspect com patibility of
transponder antenna and
connections
V erify TA S/TC A S system is
not failed
R eset configuration and
configuration m odule, then
reconfigure unit
R eload softw are
GTX 33X and GTX 3X5 ADS-B Maintenance Manual
Traffic
Fault
A D S -B In
C om m unicatio
n Fault
C ause
Corrective
Action
V erify the position source is
available, powered on and
properly configured
Inspect com patibility of
transponder antenna and
connections
V erify TAS /TCA S system is
not failed
R eset configuration and
configuration m odule, then
reconfigure unit
Reload softw are
If fault still exists ,
contact G arm in.
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