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LMM for the Kodiak 100
190-02102-00 Rev.4
4.7.3 GIA 64W Integrated Avionics Unit Troubleshooting
4.7.3.1 GIA 64W System Messages
lists GIA 64W related system messages, possible causes, and recommended
actions.
NOTE
If necessary, retrieve log from CMC Diagnostic Folder and provide it to the
OEM or Garmin for assistance with further troubleshooting
Table 4-5. GIA 64W System Messages
System Message
Cause
Recommended Actions
AHRS1 GPS
AHRS1 using the backup
GPS path. The primary
GPS path has failed.
• Troubleshoot the primary
GPS data bus.
• Ensure no device using cell
phone, Wi-Fi, or Bluetooth
technology is turned on
(even in a monitoring state)
in the aircraft cabin.
• Check the GPS status for
GIA1 and GIA2 on the GPS
Status page.
• If one or both of the GPS
receivers cannot acquire a
position lock, troubleshoot
the GPS.
• If the fault persists, replace
the GIA.
• If the fault persists, replace
the GSU.
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Summary of Contents for Cessna Caravan G1000
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