System Maintenance Manual

Page 5-50 G1000 / GFC 700 System Maintenance Manual - 300/B300 Series King Air
Revision 1 190-00716-01
5.9.4 Key Alerts
Failure Message Cause Solution
MFD1 “key” KEYSTK – key is
stuck.
The SYSTEM has determined a
key is stuck on MFD1.
• 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.
9 If problem persists replace
the display.
PFD 1 “key” KEYSTK – key is
stuck.
The system has determined a key
is stuck on the PFD 1.
PFD 2 “key” KEYSTK – key is
stuck.
The system has determined a key
is stuck on the PFD 2.
5.9.5 Miscellaneous Alerts
Failure Message Cause Solution
XTALK ERROR – A flight display
cross talk error has occurred.
A communication error has
occurred between the MFD and/or
PFDs.
• Ensure a database error has not
occurred (identified in the ALERTS
window on the PFD).
9 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:
9 If problem persists, reinstall
original PFD1 and replace
PFD2.
9 If problem persists, reinstall
PFD2 and replace MFD.
DATA LOST – Pilot stored data
lost. Recheck settings.
Pilot stored data has been lost.
• If the CLR key was held during
a power cycle, disregard
message.
• Cycle power to PFD1:
9 Ensure CLR key is not
stuck on the GDU TEST
page.
9 If problem persists, replace
PFD1.