
G1000/DA40 System Maintenance Manual
Page 5-21
190-00303-03
Revision 6
5.11
GRS 77/GMU 44 Troubleshooting
5.11.1 GRS Alerts
Failure Message
Cause
Solutions
MANIFEST – GRS1 software
mismatch. Communication
Halted.
The system has detected an
incorrect software version loaded
in GRS 77.
•
Reload software. See Section 7 for
GRS 77 Software Load Procedure.
AHRS SERVICE – AHRS
Magnetic-field model needs
update.
The AHRS magnetic field model
should be updated. Appears on
ground only.
See Section 4.7.
GEO LIMITS – Too far
North/South, no magnetic
compass.
The aircraft is outside of its
operating limits; i.e., too far North
or South. Heading will be flagged
invalid.
Operate the aircraft only within the limits
as specified in the
G1000/DA 40 AFMS.
AHRS TAS – AHRS not receiving
airspeed.
The GRS 77 is not receiving
airspeed from the GDC 74A.
Check GRS/GDC interconnect.
AHRS GPS – AHRS not receiving
GPS information.
The GRS 77 is not receiving GPS
data from the GPS receivers.
AHRS GPS – AHRS using backup
GPS source.
The GRS 77 is using the backup
GPS data path.
Ensure that both GPS1 and GPS2 can
lock on to GPS signals:
9
If GPS receivers are faulty,
replace GIA unit(s).
If GPS receivers operate correctly, check
GRS/GIA interconnects:
9
If interconnects operate
correctly, replace GRS 77.
5.11.2 GMU Alerts
Failure Message
Cause
Solutions
MANIFEST – GMU1 software
mismatch. Communication
Halted.
The system has detected an
incorrect software version loaded
in GMU 44.
Reload software. See Section 7 for
GMU 44 Software Load Procedure.
HDG FAULT – A magnetometer
fault has occurred.
A fault has occurred in the
magnetometer; heading will be
flagged invalid.
Replace GMU 44.
Содержание Diamond DA40
Страница 1: ...190 00303 03 January 2007 Revision 6 G1000 System Maintenance Manual Diamond DA 40...
Страница 12: ...Page 1 4 G1000 DA40 System Maintenance Manual Revision 6 190 00303 03 This page intentionally left blank...
Страница 14: ...Page 2 2 G1000 DA40 System Maintenance Manual Revision 6 190 00303 03 Figure 2 1 G1000 DA 40 Panel Installation...
Страница 16: ...Page 2 4 G1000 DA40 System Maintenance Manual Revision 6 190 00303 03 Figure 2 2 DA40 Panel Rear View...
Страница 26: ...Page 2 14 G1000 DA40 System Maintenance Manual Revision 6 190 00303 03 Figure 2 12 Component Wiring Diagram...
Страница 38: ...Page 2 26 G1000 DA40 System Maintenance Manual Revision 6 190 00303 03 This page intentionally left blank...
Страница 50: ...Page 3 12 G1000 DA40 System Maintenance Manual Revision 6 190 00303 03 This page intentionally left blank...
Страница 62: ...Page 4 12 G1000 DA40 System Maintenance Manual Revision 6 190 00303 03 This page intentionally left blank...
Страница 86: ...Page 5 24 G1000 DA40 System Maintenance Manual Revision 6 190 00303 03 This page intentionally left blank...
Страница 94: ...Page 6 8 G1000 DA40 System Maintenance Manual Revision 6 190 00303 03 This page intentionally left blank...
Страница 130: ......
Страница 137: ...G1000 DA40 System Maintenance Manual Page A 3 190 00303 03 Revision 6 A 4 Parts List...
Страница 138: ...G1000 DA40 System Maintenance Manual Revision 6 190 00303 03 Page A 4...
Страница 140: ...G1000 DA40 System Maintenance Manual Revision 6 190 00303 03 Page A 6 This page intentionally left blank...