Garmin G500H Pilot's Manual page 327

Alert Message
HDG FAULT
HDG LOST
HTAWS
IAS NO COMP
<LRU> CAL
<LRU> CONFIG • Error in the
190-01150-02 Rev. J
Description
• AHRS1/2 in
no-magnetometer
reversionary mode.
• Heading fault state
on AHRS.
• Heading data is
unreliable.
• HDG features
disabled or defaulted
to GPS1 TRK.
• GDU is in the
reversionary track-
based mode.
• External HTAWS not
available. Internal
TERRAIN-HSVT
alerting enabled.
• External HTAWS
configuration
mismatch.
• No data from one
or more airspeed
sensors.
• Error in calibration of
a specific LRU, where
<LRU> denotes a
specific LRU, such as
GSU or GRS.
configuration of a
specific LRU, where
<LRU> denotes a
specific LRU, such as
GDL69 or GWX.
Garmin G500H Pilot's Guide
Action
• Check AFMS for limitations.
• Use Compass or other course
information.
• Contact your Garmin dealer for
service.
• Contact your Garmin dealer for
service.
• Contact your Garmin dealer for
service.
• Calibration service required.
Contact your Garmin dealer for
service.
• Config service required. Contact
your Garmin dealer for service.
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