Garmin Cessna Caravan G1000, Руководство по техническому обслуживанию системы

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Page 5-58 G1000 / GFC 700 System Maintenance Manual - 300/B300 Series King Air
Revision 1 190-00716-01
5.11.2
NAV Alerts
Failure Message Cause Solution
NAV1 SERVICE – NAV1 needs
service. Return unit for repair. The system has detected a failure
in NAV1 receiver.
•
Replace GIA1.
NAV2 SERVICE – NAV2 needs
service. Return unit for repair. The system has detected a failure
in NAV2 receiver.
•
Replace GIA2.
NAV1 RMT XFR – NAV1 remote
transfer key is stuck.
The NAV1 external remote
transfer switch is stuck in the
enabled (or “pressed”) state.
Press the NAV1 external remote
transfer switch again to cycle its
operation.
Check NAV1 remote transfer switch and
wiring.
Switch GIA1 and GIA2, to identify
whether the unit or connectors/wiring is
at fault (Both GIAs must be configured
when swapped, see Section 3.9):
9
If problem follows unit, replace
GIA1.
9
If problem persists, continue to
troubleshoot remote transfer
switch & wiring.
NAV2 RMT XFR – NAV2 remote
transfer key is stuck.
The NAV2 external remote
transfer switch is stuck in the
enabled (or “pressed”) state.
Press the NAV2 external remote
transfer switch again to cycle its
operation.
Check NAV2 remote transfer switch and
wiring.
Switch GIA1 and GIA2, to identify
whether the unit or connectors/wiring is
at fault (Both GIAs must be configured
when swapped, see Section 3.9):
9
If problem follows unit, replace
GIA1.
9
If problem persists, continue to
troubleshoot remote transfer
switch & wiring.