![Garmin Diamond DA40 Maintenance Manual Download Page 68](http://html1.mh-extra.com/html/garmin/diamond-da40/diamond-da40_maintenance-manual_4182198068.webp)
Page 5-6
G1000/DA40 System Maintenance Manual
Revision 6
190-00303-03
Invalid Data Field
Associated
LRU(s)
Solution
ATTITUDE FAIL
GRS 77
Check GRS ARINC 429 configuration settings for the PFD,
MFD, GIA1, and GIA2.
Replace defective GRS 77.
HDG FAIL
GRS 77 &
GMU 44
Replace the GMU 44 with a known good unit:
9
If problem persists, replace defective GRS 77.
GRS 77 &
GMU 44
If this message persists, perform AHRS calibration procedures
as described in Section 7.7.3.
Engine/Airframe Sensors
(All Invalid)
GEA 71
Check GEA 71 RS-485 configuration settings for GIA1 and
GIA2.
Reconfigure the GEA 71 per Section 7.4.2.
Check GEA – GIA1 and GEA – GIA2 Wiring.
Replace defective GEA 71.
Summary of Contents for Diamond DA40
Page 1: ...190 00303 03 January 2007 Revision 6 G1000 System Maintenance Manual Diamond DA 40...
Page 130: ......
Page 137: ...G1000 DA40 System Maintenance Manual Page A 3 190 00303 03 Revision 6 A 4 Parts List...
Page 138: ...G1000 DA40 System Maintenance Manual Revision 6 190 00303 03 Page A 4...