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57
190-01007-04 Rev. C
GTN 725/750 Cockpit Reference Guide (CRG)
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.
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.
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.
See CRG for crossfi lled
items.
Crossfi ll is not
working due to loss of
communication with other
GTN or due to one GTN
needing service.
See list of crossfi lled items
listed in System section that
will no longer be crossfi lled.
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.
See list of crossfi lled items
listed in System section that
will no longer be crossfi lled.
Contact dealer for service
and to have software
versions updated.
Summary of Contents for GTN 725
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