______________________________________________________________________________
____________________________________________________________________________
Page 4-88 LMM for the Kodiak 100
190-02102-00 Rev.4
4.7.9 GDC 72 Air Data Computer Troubleshooting
4.7.9.1 GDC 72 System Messages
Table 4-17 lists GDC 72 related system messages, possible causes, and recommended
actions.
If necessary, retrieve log from CMC Diagnostic Folder and provide it to the
OEM or Garmin for assistance with further troubleshooting.
Table 4-17. GDC 72 System Messages
System Message Cause Recommended Actions
ADC1 ALT EC ADC1 altitude error
correction is
unavailable.
• Incorrect software might
have been loaded to the
GDC.
• Load the correct software.
ADC1 AS EC ADC1 airspeed error
correction is
unavailable.
• Incorrect software might
have been loaded to the
GDC.
• Load the correct software.
ADC1 SERVICE A failure has been
detected in ADC1.
• Replace the GDC.
AHRS1 TAS The GRS 79 is not
receiving valid
airspeed from the
GDC 72.
• Check the GRS to GDC
wiring.
• If the problem persists,
replace the GRS.
GDC1 MANIFEST GDC1 software
mismatch.
• Load the correct software.
ADC2 ALT EC ADC2 altitude error
correction is
unavailable.
• Incorrect software might
have been loaded to the
GDC.
• Load the correct software.
ADC2 AS EC ADC2 airspeed error
correction is
unavailable.
• Incorrect software might
have been loaded to the
GDC.
• Load the correct software.
ADC2 SERVICE A failure has been
detected in ADC2.
• Replace the GDC.
To Next Page
Loading...
Need help?
General
