36
GTN 625/635/650 Cockpit Reference Guide (CRG)
190-01004-04 Rev. C
Messages
Message
Description
Action
CONFIGURATION -
Terrain/TAWS
confi guration is invalid.
GTN needs service.
TAWS is inoperative
due to a confi guration
problem with the GTN.
This message will be
accompanied by a TER
FAIL annunciation.
Contact dealer for service.
CONFIGURATION
MODULE-
GTN confi guration
module needs service.
The GTN cannot
communicate with its
confi guration module.
The GTN may still have
a valid confi guration.
Contact dealer for service.
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 airfl ow
(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 airfl ow
(especially near the GTN) to
prevent damage to the unit.
Contact dealer for service.
CROSSFILL ERROR-
Crossfi ll is inoperative
Crossfi ll is not
working due to loss
of communication
with other GTN or due
to one GTN needing
service.
Contact dealer for service.
CROSSFILL ERROR-
GTN software mismatch.
See CRG for crossfi lled
items.
Crossfi ll is confi gured
“on” but is not working
due to software
mismatch.
Contact dealer to have
software versions updated.
Summary of Contents for GTN 625
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