Garmin Software Version 0321.23 Manual Pagina 187

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G1000 System Maintenance Manual – Diamond DA40/40F Page 5-55
190-00545-01 Revision G
5.11 GEA Troubleshooting
5.11.1 GEA Common Problems
Table 5-43. GEA Common Problems
Symptom Recommended Action
CHT, EGT, and TIT are red X’d
(no other field is red X’d)
Ensure the GEA configuration module and thermocouple wiring and pins are
not damaged.
Replace the GEA configuration module and thermocouple.
One or more CHT, EGT, or TIT
temperatures drop as electrical
load increases
Check temperature probe(s) for opens (usually where bayonet is cramped)
Replace defective temperature probe(s)
One or more CHT, EGT, or TIT
temperatures drift up and flag
Fuel quantity flags intermittently
Check for an open in the wiring and connectors between the GEA, signal
conditioner, and the sender (hi, low, or signal ground lines)
Check for 5 volt excitation shorted to ground between the GEA, signal
conditioner, and sender.
Check fuel sender for an open or dead spot
Engine instruments are missing
on the MFD
Clear user data on each GDU by holding down the CLR button while
powering on each GDU.
5.11.2 GEA Alerts
Table 5-44. GEA Alerts
Failure Message Cause Solution
MANIFEST – GEA1 software
mismatch. Communication
Halted.
The system has detected an
incorrect software version loaded
in GEA 71.
Load correct software version. See
Section 3.5 for the software load
procedure.
GEA1 CONFIG – GEA1
configuration error. Config service
req’d.
The system has detected a
GEA 71 configuration mismatch.
Load GEA configuration file. See
Section 3.5 for the configuration
procedure.
5.12 GTX Troubleshooting
5.12.1 GTX Alerts
Table 5-45. GTX Alerts
Failure Message Cause Solutions
MANIFEST – GTX1 software
mismatch. Communication
Halted.
The system has detected an
incorrect software version loaded
in GTX 33.
Load correct software version. See
Section 3.5 for the software load
procedure.
XPDR1 CONFIG – XPDR1
configuration error. Config service
req’d.
The system has detected a
GTX 33 configuration mismatch.
Load GTX1 configuration file. See
Section 3.5 for the configuration
procedure.
Verify correct aircraft registration is
present in the GTX config page.
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