Garmin G1000 NAV III Line Maintenance Manual page 62

2.2.7 Miscellaneous Alerts
Message
XTALK ERROR – A flight display
cross talk error has occurred.
SIMULATOR – Sim mode is
active. Do not use for
navigation.
DATA LOST – Pilot stored data
lost. Recheck settings.
MFD1 SERVICE – needs
service. Return unit for repair.
Page 2-34
Rev. L
Cause
A communication error has
occurred between the MFD
and PFD.
The GDU 104X is in
simulator mode.
Pilot stored data has been
lost.
The G1000 has determined
MFD1 needs service.
Solutions
•
Ensure a database error has not
occurred
If a database error has occurred,
o
correct error before proceeding.
•
Check display Ethernet interconnect
•
Replace PFD1 with a known good unit,
to verify location of problem:
If problem persists, replace MFD1.
o
If problem does not persist, replace
o
PFD1.
•
Check wiring (pin 54 of P10001 should
be empty)
•
Replace PFD1 with a known good unit,
to verify location of problem:
If problem does not persist, replace
o
original PFD1.
•
If the CLR key was held during a power
cycle, disregard message.
•
Cycle power to PFD1:
Ensure CLR key is not stuck on the
o
GDU TEST page.
If problem persists, replace PFD1.
o
•
Ensure the MFD connector is fully
seated and locked
•
If the unit was started in a very dark
environment the photocells may not
have enough light to initially raise the
CCFT level. Go to the GDU STATUS
page in configuration mode, ensure
CCFT CRNT 1 & 2 levels are above 50.
If the CCFT levels are not above
o
50, apply light to the photocell and
observe if the CCFT level rises.
If the CCFT level rises, disregard
o
the message.
If the CCFT level does not rise,
o
replace the MFD
•
Replace the MFD
G1000 Nav III Line Maintenance Manual
190-00352-00