Garmin G1000 Line Maintenance Manual page 102

Uncontrolled if Printed
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Table 4-1. Troubleshooting System Messages (Continued)
System Message
HDG FAULT
HW MISMATCH
LOI
MFD1 BKLT CAL INV
MFD1 CONFIG
MFD1 COOLING
MFD1 KEYSTK
MFD1 MANIFEST
MFD1 SERVICE
MFD1 VOLTAGE
NAV 1 INOP - CAL
NAV 1 INOP - CONFIG
NAV 1 INOP - INTRL
NAV 1 INOP - SERL
NAV 1 INOP - SYNTH
NAV1 MANIFEST
NAV1 RMT XFR
NAV1 SERVICE
NAV 2 INOP - CAL
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Page 4-18
Description
AHRS1 magnetometer fault has
occurred.
GIA HW mismatch. Only one GIA
is SBAS capable.
GPS information loss of integrity
has been detected.
MFD1 backlight calibration lost.
MFD1 configuration error.
MFD1 has poor cooling. Reducing
power usage.
A key is stuck on the MFD1 bezel.
MFD1 software mismatch.
A fault has been detected in
MFD1.
MFD1 has low voltage.
Check NAV Calibration.
A NAV software or configuration
fault.
A NAV internal fault.
A NAV serial communication fault.
NAV synthesizer lock fault.
NAV1 software mismatch.
The NAV1 remote transfer key line
is stuck in the enabled state.
A fault has been detected in the
NAV subsystem of GIA1.
Check NAV Calibration.
Possibly Faulty
LRU / Subsystem
• GMU 44/44B
• GIA 64W
• GIA 64W
• GDU 1050
• GDU 1050
• Master Config
Module
• GDU 1050
• GDU 1050
• GDU 1050
• GDU 1050
• GDU 1050
• GIA 64W
• GIA 64W
• GIA 64W
• GIA 64W
• GIA 64W
• GIA 64W
• GIA 64W
• GIA 64W
• GIA 64W
LMM for the Kodiak 100
190-02102-00 Rev.4