Gea 71B Engine And Airframe Unit Interface Troubleshooting - Garmin G1000 Line Maintenance Manual

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4.7.4 GEA 71B Engine and Airframe Unit Interface Troubleshooting

4.7.4.1 GEA 71B System Messages
Table 4-6 lists GEA 71 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
System Message
GEA1 CONFIG
GEA1 MANIFEST
GEA 1 INOP POWER -
Check GEA power.
GEA 1 INOP VOLT -
Check GEA voltages.
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LMM for the Kodiak 100
190-02102-00 Rev.4
Table 4-6. GEA 71B System Messages
Cause
GEA1 configuration
error.
GEA1 software
mismatch.
AIRCRAFT POWER 1 is
high or low.
The GEA is inoperative
due to a voltage fault.
Recommended Actions
• Reload configuration to the
GEA.
• Load the correct software.
• Cycle power to the unit.
• Check the input voltage to
the GEA.
• Check for loose
connections, bent pins or
shorts at the GEA and
connected sensors.
• If problem persists, remove
and replace the GEA.
• Cycle power to the unit.
• Check the input voltage to
the GEA.
• Check for loose
connections, bent pins or
shorts at the GEA and
connected sensors.
• If problem persists, remove
and replace the GEA.
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