Garmin G1000 Line Maintenance Manual page 125

Uncontrolled if Printed
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Table 4-5. GIA 64W System Messages (Continued)
System Message
COM1 TEMP
COM2 CONFIG
COM2 INOP - CAL
COM2 INOP - CRNT
COM 2 INOP - INTRL
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LMM for the Kodiak 100
190-02102-00 Rev.4
Cause
The system has detected
an over temperature
condition in COM1. The
transmitter is operating at
reduced power.
COM2 configuration error.
The COM subsystem of
GIA1 is inoperative due
to loss of factory
calibration.
The COM subsystem of
GIA1 is inoperative due
to a current fault.
The COM subsystem of
GIA1 is inoperative due
to an internal fault.
Recommended Actions
• Check the fan, wiring, and
air tubing for proper
ventilation (if applicable).
• Replace the cooling fan if
not able to find if it is
operating properly.
• If the problem persists,
replace the GIA.
• Reload configuration to the
GIA.
• If the fault persists, check
the configuration module
wiring for faults and replace
if necessary.
• If the fault persists, replace
the master configuration
module.
• If the fault persists, replace
the GIA.
• Load the correct software.
• Cycle power to the GIA.
• If the problem persists,
replace the GIA.
• Check the aircraft supply
voltage.
• Check input voltage to the
GIA.
• Check for loose
connections, bent pins, or
shorts.
• Cycle power to the GIA.
• Retrieve log from CMC fault
Folder.
• If the fault persists, replace
the GIA.
• Cycle power to the GIA.
• Retrieve the log from CMC
fault folder.
• If the fault persists, replace
the GIA.
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