Garmin G1000 Maintenance Manual page 59

CAUTION Alerts:
Annunciation
Window
Less than 8 gallons in left
L LOW FUEL
Less than 8 gallons in right
R LOW FUEL
Indicates when the backup
FUEL PUMP
L ALT OUT
R ALT OUT
Oxygen system is OFF and
OXYGEN altitude is greater than 12000
OXYGEN QTY
G1000-Columbia 350/400 System Maintenance Manual
190-00577-03
Alert Definition
tank.
tank.
fuel pump is needed.
Left alternator offline.
Right alternator offline.
feet.
Low oxygen quantity.
Solution
•
Check the discrete wiring between low fuel
sensor and the GEA 71. Refer to latest revision
of the 350/400 electrical manual.
•
Troubleshoot according to the 350/400 AMM.
•
Replace GEA 71.
•
Check the discrete wiring between low fuel
sensor and the GEA 71. Refer to latest revision
of the 350/400 electrical manual.
•
Troubleshoot according to the 350/400 AMM.
•
Replace GEA 71.
•
Check the wiring between the fuel pump and
the GEA 71. Refer to latest revision of the
350/400 electrical manual.
•
Troubleshoot according to the 350/400 AMM.
•
Replace GEA 71.
•
With the engine running, ensure that the
correct alternator switch is in the ON position.
•
Check the bus voltage, if it is above 27 VDC,
the alternator is probably supplying current to
bus.
•
Verify the wiring from the left voltage
regulator to the GEA
•
Troubleshoot according to the 350/400 AMM.
•
Replace GEA 71.
•
With the engine running, ensure that the
correct alternator switch is in the ON position.
•
Check the bus voltage, if it is above 27 VDC,
the alternator is probably supplying current to
bus.
•
Verify the wiring from the left voltage
regulator to the GEA
•
Troubleshoot according to the 350/400 AMM.
•
Replace GEA 71.
•
Turn oxygen system on when above 12,000 ft.
•
Ensure oxygen quantity is greater than 250 psi.
•
Troubleshoot oxygen system according to the
350/400 AMM.
Page 4-15
Revision C