Garmin G600 Pilot's Manual page 214

Alert Message
FAN 2 FAIL
SW MISMATCH
CNFG
MISMATCH
GPS(1/2) PPS
FAIL
6-6
Description
• Cooling fan 2 has
failed.
• Unit may operate
at extreme
temperatures
• Extended
operation at high
temperatures is not
recommended as
that damage to the
GDU may occur.
• PFD/MFD coloration
may be incorrect.
• Backlight may dim
to reduce power
and heat.
• GDU software
version mismatch.
Xtalk is off.
• GDU 1-2 airframe
configuration
settings disagree.
• PPS has failed from
GPS 1/2.
• The PPS signal has
not been received
in more than 5
seconds.
• Could be caused by
a navigator failure
or a wiring failure.
Garmin G600 Pilot's Guide
Action
• Contact your Garmin dealer for
service.
• Contact your Garmin dealer for
service.
• Contact your Garmin dealer for
service.
• Contact your Garmin dealer for
service.
190-00601-02 Rev. B