Garmin G1000 System Maintenance Manual page 199

5.9.4 Key Alerts
Failure Message
MFD1 "key" KEYSTK – key is
stuck.
PFD 1 "key" KEYSTK – key is
stuck.
PFD 2 "key" KEYSTK – key is
stuck.
5.9.5 Miscellaneous Alerts
Failure Message
XTALK ERROR – A flight display
cross talk error has occurred.
DATA LOST – Pilot stored data
lost. Recheck settings.
G1000 / GFC 700 System Maintenance Manual - 300/B300 Series King Air
190-00716-01
Cause
The SYSTEM has determined a
key is stuck on MFD1.
The system has determined a key
is stuck on the PFD 1.
The system has determined a key
is stuck on the PFD 2.
Cause
A communication error has
occurred between the MFD and/or
PFDs.
Pilot stored data has been lost.
Solution
•
Go to the GDU TEST page in
configuration mode and verify
key is stuck (if key is stuck the
corresponding indicator will be
green).
•
Exercise suspected stuck key
and reset GDU TEST page to
see if indicator remains green
without pressing the key.
If problem persists replace
the display.
Solution
•
Ensure a database error has not
occurred (identified in the ALERTS
window on the PFD).
If a database error has
occurred, correct error before
proceeding.
•
Check display Ethernet
interconnect wiring.
•
Replace PFD1 with a known good
unit, to verify location of problem:
If problem persists, reinstall
original PFD1 and replace
PFD2.
If problem persists, reinstall
PFD2 and replace MFD.
•
If the CLR key was held during
a power cycle, disregard
message.
•
Cycle power to PFD1:
Ensure CLR key is not
stuck on the GDU TEST
page.
If problem persists, replace
PFD1.
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