Instruction Manual

Instructions for Continued Airworthiness 190-00792-12 Rev 1
for the Garmin G500H Installation in Eurocopter AS350 Page 70 of 80
Alert Text
Cause
Solution
HDG LOST Heading from the GRS77/ GMU 44
is not valid.
Caused by a local magnetic anomaly. No
action required.
<LRU> SERVICE Specific LRU should be serviced,
where <LRU> denotes specific LRU.
Return indicated LRU to Garmin for
service.
MANIFEST GDU has received product data for
an LRU that should have a manifest
entry, but is not in the manifest.
Ensure the manifest is properly
configured.
The LRU software P/N and version
number in the manifest does not
match the values being reported by
that LRU.
Update the LRU software to match the
manifest
Update the manifest to match the LRU
software
NAV1 FAIL No navigation receiver 1 data.
NAV2 FAIL
No navigation receiver 2 data.
SIMULATOR
The simulator mode is active.
Ensure P6202-36 is not grounded.
SVT DISABLED - Out of
available terrain region.
Location is beyond region covered
by terrain database.
SVT DISABLED - Terrain DB
resolution too low.
A 30 arc-second terrain database is
being used.
Update the Supplemental Data card with
the 9 arc-second terrain database.
SW MISMATCH GDU software version strings do
not match.
Verify the correct SW is loaded
TRAFFIC FAIL The traffic information system has
failed.
The GDU 620 is not receiving traffic
information from the traffic sensor. Verify
wiring between GDU 620 and traffic
sensor.
The GDU 620 is receiving information
from the traffic sensor, but the information
is indicating that the traffic sensor has
failed. Troubleshoot traffic system.
TRK LOST GPS1 TRK lost. HSI defaulted to
GPS2 TRK.
TRK TRAFFIC Heading Lost. Traffic is now based
on track.
See HDG errors.
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