L3 Aviation Products Lynx NGT-9000+ Pilot's Manual page 88

Troubleshooting
Table 5-2: Troubleshooting for the Panel Mount Lynx NGT-9000
SyMPtoM
• Compatible displays may
indicate "STANDBY" or
"DATA-FAIL" and WI-
FI information is not
available.
• If installed, ADS-B Fail
lamp begins to flash and
continues to flash until
GPS is acquired.
• Compatible displays may
indicate "STANDBY" or
"DATA-FAIL" and WI-
FI information is not
available.
• If installed, ADS-B
Out Fail lamp flashes
(1 second On/Off) for
2 minutes, and then
remains ON indefinitely
until a GPS position is
acquired.
• Display indicator MAP
FAIL (red text) showing
on FIS-B application
screen.
• Compatible displays may
indicate "STANDBY" or
"DATA-FAIL" and WI-
FI information is not
available.
• If installed, ADS-B
Fail lamp flashes for 2
minutes. After 2 minutes
the lamp stays ON.
5-6
cauSe/corrective actionS
GPS-Acquiring (On Ground – no
previous position fix).
1. The GPS may need up to 4
minutes to provide a position after
power is applied to the Lynx NGT-
9000.
2. The GPS signal may be weak.
Move the aircraft into an area
where the unit can acquire the
GPS signal. Make sure nothing
is covering or blocking the GPS
antenna.
3. At next power cycle if symptoms
persist contact L-3 Field Service
before removal of the unit or other
equipment.
GPS is Acquiring (In Air – no previ-
ous position fix).
1. The GPS may need up to 4
minutes to provide a position after
power is applied to the unit.
2. The GPS signal may be weak.
Move the aircraft into an area
where the unit can acquire the
GPS signal.
3. Cycle power to the unit.
4. Contact L-3 Field Service before
removal of unit.
GPS-Acquiring (On Ground or In
Air– previous position fix).
1. The GPS signal may be weak.
Move the aircraft into an area
where the unit can reacquire the
GPS signal.
2. At next power cycle if symptoms
persist contact L-3 Field Service
before removal of the unit or other
equipment.
Lynx NGT-9000
®
Pilot's Guide