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Page 6-8
400W Series Installation Manual
Rev. G
190-00356-02
Alert Text
Possible Cause
Solution
•
No destination waypoint has
been selected.
•
Select a waypoint
OBS not available
•
The GPS receiver cannot
currently determine its position.
•
Refer to Table 6-1 “The 400W
Series unit does not compute
a position.”
RAIM position warning
•
Although sufficient GPS satellite
coverage may exist, Receiver
Autonomous Integrity
Monitoring (RAIM) has
determined the information from
one or more GPS satellites may
be in error.
•
Wait for GPS satellite
geometry to improve.
Searching the sky
•
The 400W Series unit is
searching the sky for GPS
satellites.
•
Wait 20 minutes for unit to
complete cycle or until the
current position is located.
Stored data was lost
•
All user waypoints, flight plans
and system settings have been
lost due to a memory battery
failure or system reset.
•
If system was not reset
replace the battery.
•
Reconfigure TERRAIN
settings
TERRAIN configuration has
changed
•
The unit’s terrain settings have
changed since it was last
turned on in normal mode.
•
Contact Garmin technical
support
•
Ensure that Terrain database
is inserted in the right most
card slot.
•
Reload the TERRAIN
database.
TERRAIN has failed
•
The unit has detected a failure
in the terrain system.
•
Contact Garmin technical
support.
•
Check for proper configuration
•
Check for correct wiring
Traffic device has failed
•
The 400W Series unit cannot
communicate with the traffic
system and/or the traffic system
is reporting a system failure.
•
Refer to the traffic system
installation manual.
Traffic device needs service
•
The traffic device is reporting a
system failure.
•
Refer to the traffic system
installation manual.
User card format unknown
•
A data card has been inserted,
but the format of the card is not
recognized.
•
Reload the information onto
the card. If that does not solve
the problem replace the card.
VLOC has failed (430W only)
•
The 430W has detected a
failure in its VLOC receiver.
•
Contact Garmin technical
support.
VLOC is not responding
(430W only)
•
Internal system-to-system
communication between the
main processor and the VLOC
receiver has failed. Operational
status of the VLOC receiver is
unknown.
•
Contact Garmin technical
support.
Summary of Contents for GNC 420AW
Page 2: ...400W Series Installation Manual 190 00356 02 Rev G ...
Page 149: ...400W Series Installation Manual Page C 1 190 00356 02 Rev G Appendix C RESERVED ...
Page 206: ...Page H 30 400W Series Installation Manual Rev G 190 00356 02 Figure H 17 GTX 330 Interconnect ...
Page 212: ...Page H 36 400W Series Installation Manual Rev G 190 00356 02 Figure H 21 RMI OBI Interconnect ...
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