Garmin SA01456Wi_D Manual Page 197

  • Download
  • Add to my manuals
  • Print
  • Page
    / 300
  • Table of contents
  • TROUBLESHOOTING
  • BOOKMARKS
  • Rated. / 5. Based on customer reviews
Page view 196
G1000/GFC700 System Maintenance Manual – C90A/C90GT/C90GTi King Air Page 5-73
190-00682-01 Revision F
5.15.3 GMU Alerts
Failure Message Cause Solutions
MANIFEST – GMU1 software
mismatch. Communication
halted.
The system has detected an
incorrect software version loaded
in the specified GMU 44.
Load the correct software version. See
Section 3.9 for the Software Load
Procedure.
MANIFEST – GMU2 software
mismatch. Communication
halted.
HDG FAULT – AHRS1
magnetometer fault has occurred
A fault has occurred in the
specified magnetometer; heading
will be flagged invalid.
Check GMU 44/GRS 77
interconnect for faults.
9 Replace GMU 44.
9 If problem persists, replace
GRS 77.
HDG FAULT – AHRS2
magnetometer fault has occurred.
5.15.4 Calibration Procedure E: Magnetometer Interference Test
A magnetometer interference test is available for troubleshooting and/or verifying a magnetically ‘clean’
installation of the GMU 44. This test exercises various devices on the aircraft that could potentially affect
the magnetic field as measured by the GMU 44.
NOTE
This test is used to validate that no electronic device interferes with the operation of the
GMU 44 magnetometer. It is highly recommended that this test be performed after
installation or maintenance of electrical components on the aircraft and/or for
troubleshooting the GMU 44.
Figure 5-7. Magnetometer Interference Test
1. Initiate the AHRS magnetometer interference test procedure by performing the following steps:
2. Enter Configuration Mode and go to GRS/GMU Calibration page as shown in Figure 5-7.
Page view 196
1 2 ... 192 193 194 195 196 197 198 199 200 201 202 ... 299 300

Comments to this Manuals

No comments