G1000/GFC700 System Maintenance Manual – C90A/C90GT/C90GTi King Air Page 5-49
190-00682-01 Revision F
5.9 GDU 104X Alerts
5.9.1 Software/Configuration Alerts
Failure Message Cause Solution
SW MISMATCH – GDU software
version mismatch. Xtalk is off.
The system has found the PFDs
and/or MFD software versions do
not match.
• Load correct software version.
See Section 3.9 for GDU 1040
Software Loading procedure.
MANIFEST – PFD 1 software
mismatch. Communication
Halted.
The system has detected an
incorrect software version loaded
in the specified PFD.
MANIFEST – PFD 2 software
mismatch. Communication
Halted.
MANIFEST – MFD1 software
mismatch. Communication
Halted.
The system has detected an
incorrect software version loaded
in MFD.
CNFG MODULE – PFD 1
configuration module is
inoperative.
The PFD master configuration
module has failed.
• Check master configuration
module connector and wiring
for damage inside the GDU
connector backshell.
9 Replace master
configuration module
wiring and pins.
9 If problem persists, replace
master configuration
module.
NOTE
New Terrain/Obstacle cards, Jeppesen
Aviation Database and other optional
features (i.e. TAWS unlock card) will
need to be replaced if the master
configuration module is changed. The
G1000 System ID number will change
to a new number when installing a new
master config module. The old Terrain
and other cards will no longer work as
they will remain locked to the old
System ID number.
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