Instruction Manual

G1000 / GFC 700 System Maintenance Manual - 200/B200 Series King Air Page 5-77
190-00915-01 Revision 9
5.17 GWX 68 or GWX 70 Troubleshooting
5.17.1 GWX 68 or GWX 70 Alerts and Problems
WARNING:
Before energizing the equipment, be sure microwave radiation safety precautions including both fuel and
personnel safety considerations have been observed. These include clearing all personnel to an area
beyond the maximum permissible exposure level (MPEL) boundary. The MPEL for the GWX 68 is 11
feet and GWX 70 is 10 feet.
Failure Message Cause Solutions
GWX CONFIG – GWX configuration
error. Configuration service
required.
The G1000 has detected a
GWX 68 or GWX 70
configuration mismatch.
• Load GWX configuration files,
• Replace GWX.
• If problem persists, replace
master configuration module,
check config module wiring
for faults and replace if
necessary.
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.
GWX FAIL – GWX is inoperative.
The G1000 has detected a
failure in the GWX 68 or GWX
70.
• Check Ethernet connection
between the GWX and GDL69A
for faults.
• Replace the GWX 68 or GWX 70
GWX SERVICE – Needs service.
Return unit for repair.
The G1000 has detected a
failure in GWX 68 or GWX 70.
• Replace the GWX 68 or GWX 70.
MANIFEST – GWX software
mismatch. Communication halted.
The system has detected an
incorrect software version
loaded in the GWX 68 or GWX
70.
• Load correct software version. See
Section 3.9 for the Software Load
Procedure.