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16-5190-01004-03 Rev. B
Garmin GTN 625/635/650 Pilot’s Guide
Foreword
Getting
Started
Xpdr Ctrl
Com/Nav
FPL
Direct-To
Proc
Wpt Info
Map
Traffic
Terrain
Weather
Nearest
Music
Utilities
System
Messages
Symbols
Appendix
Index
Message Description Action
COOLING -
GTN overtemp.
Reducing backlight
brightness.
Backlight brightness
has been reduced
due to high display
temperatures. The
backlight level will
remain high enough to
be visible in daylight
conditions.
Decrease cabin temperature and
increase cabin airflow (especially
near the GTN). Contact dealer for
service if this message persists.
COOLING FAN -
The cooling fan has
failed.
The GTN cooling fan is
powered, but it is not
turning at the desired
RPM.
Decrease cabin temperature and
increase cabin airflow (especially
near the GTN) to prevent damage
to the unit. Contact dealer for
service.
CROSSFILL
ERROR -
Crossfill is
inoperative
Crossfill is not
working due to loss
of communication
with other GTN or due
to one GTN needing
service.
See section 15.4.6 for a list of
crossfilled items that will no longer
be crossfilled. Contact dealer for
service.
CROSSFILL
ERROR -
GTN software
mismatch. See
CRG for crossfilled
items.
Crossfill is configured
“on” but is not working
due to software
mismatch.
See section 15.4.6 for a list of
crossfilled items that will no longer
be crossfilled. Contact dealer to
have software versions updated.
DATABASE -
A procedure has
been modified in
a cataloged flight
plan.
A new database update
caused a procedure to
be truncated because
the flight plan now has
too many waypoints or
removed a procedure
because it no longer
exists in the database.
Verify stored cataloged flight plans
and procedures. Modify stored
flight plans and procedures as
necessary to include the current
procedures by re-loading those
procedures to the stored flight
plan routes.