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LMM for the Kodiak 100 Page 4-1
190-02102-00 Rev.4
4 TROUBLESHOOTING
This section describes troubleshooting methods that can be used to help identify and
resolve G1000 NXi system hardware and software faults. The test procedures in Section
7 can also be used as an aid in troubleshooting.
All screenshots in this manual are included for visual reference only and
might not reflect the information displayed during actual G1000 NXi system
operation.
4.1 Supporting Documents
The following documents supplement the information contained in this troubleshooting
section:
• G1000 NXi Pilot’s Guide for the Kodiak 100
• G1000 NXi Cockpit Reference Guide for the Kodiak 100
• Kodiak 100 Wiring Diagrams
• Kodiak 100 Aircraft Maintenance Manual
• Garmin LRU Installation Manuals referenced in Section 5
4.2 System Fault Reporting and Built-In Testing
In addition to the troubleshooting information presented in this section, it should be noted
that Garmin LRUs carry out Built-In Test (BIT) and performance checks on a full time
basis. They do not require a special request to run the BIT cycle. All LRUs report health
and diagnostic information to the display in real time. The display acts as a central
location to track LRU health status. Some examples of parameters being monitored by
an LRU are:
• Voltage Values
• Operating Temperature
• Memory Status
• Software, Configuration, Calibration Status
• Databus Status
An abnormal event reported by an LRU is displayed using System Messages. A critical
failure can also be configured to displayed as a Crew Alerting System (CAS) message.
The information related to a fault event is logged in the system for future reference.
This line maintenance manual describes system messages and recommended actions
for resolving the problem. The G1000 NXi system LRU data pages provide information
about relevant LRU parameters. These pages can be accessed in configuration mode
and can be used to verify parameters for troubleshooting.
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