Garmin G1000 Nxi System Maintenance Manual page 238

Problem
No Audio alerts
Calibration Fault
Configuration Fault
FPGA Fault
ROM Fault
Execution Fault
Electrical Fault
Whisper Shout Fault
Transmit Power Fault
1030 MHz Fault
1090 MHz Fault
PA/LNA Fault
Receiver Fault
Transmitter Fault
G1000 NXi System Maintenance Manual
King Air 300 Series
190-00716-N1
Cause
Improper wiring; Volume not set correctly
Factory calibration invalid
Both internal and external configuration
checks failed
Internal Fault
Internal Fault
Internal Fault
Internal Fault
Internal Fault
Internal voltages are out of tolerance
Internal Fault
Internal Fault
Antenna connections or internal fault
Antenna connections or internal fault
Antenna connections or internal fault
Solution
Ensure the audio is properly wired
from the GTS 820/850 (if using
analog audio output) and volume is
not set too low.
If the unit fails to go into operate
mode then return unit to an
authorized Repair Facility for service.
Verify the configuration.
Verify wiring to the configuration
module and replace if necessary.
Return unit to an authorized Repair
Facility for service.
Return unit to an authorized Repair
Facility for service.
Return unit to an authorized Repair
Facility for service.
Return unit to an authorized Repair
Facility for service.
Return unit to an authorized Repair
Facility for service.
Check power connections to the GPA
65 to verify that they are not
connected to ground or each other.
Ensure that power and ground
connections to the GPA 65 are
connected in their proper place.
Verify input voltage and if it continues
return unit to an authorized Repair
Facility for service.
Return unit to an authorized Repair
Facility for service.
Return unit to an authorized Repair
Facility for service.
Ensure all antenna connections are
correct otherwise return unit to an
authorized Repair Facility for service.
Ensure all antenna connections are
correct otherwise return unit to an
authorized Repair Facility for service.
Ensure all antenna connections are
correct otherwise return unit to an
authorized Repair Facility for service.
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