Garmin GTR 225 Pilot's Manual page 43

Message
COOLING FAN -
The cooling fan has
failed.
DISPLAY -
Display board
needs service.
POWER ALERT -
Unit will shut down
if power switch
is not restored
immediately.
REMOTE KEY
STUCK -
Com push-to-talk
key is stuck.
REMOTE KEY
STUCK -
Com remote
transfer key is
stuck.
190-01182-00 Rev. A
Description
The GTN cooling fan is
powered, but it is not
turning at the desired
RPM.
The display board is
indicating that it needs
service.
Power has been
removed from the unit.
The Push To Talk key/
switch has been in
pressed position for
at least 30 seconds.
This input will now be
ignored and the com
radio will no longer
transmit.
The remote com
transfer (COM RMT
XFR) key/switch has
been in pressed
position for at least 30
seconds. This input will
now be ignored. This
input is not available in
all installations.
Garmin GTR 225/225A/225B Pilot's Guide
Action
Decrease cabin temperature and
increase cabin airflow (especially
near the GTN) to prevent damage
to the unit. Contact dealer for
service.
Contact dealer for service.
Re-apply power to the unit.
Verify the Push To Talk key/switch
is not stuck. Contact dealer for
service if this message persists.
Verify the COM RMT XFR key/
switch is not stuck. Contact dealer
for service if this message persists.
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