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Page 8-2
G1000/DA40 System Maintenance Manual
Revision 6
190-00303-03
8.2
GIA Failure Test
Step Desired
Result
Single GIA Failure Conditions:
1. Remove power from GIA1 by pulling
NAV/GPS1 and COM1 breakers.
2. Check for desired results.
3. Restore power to GIA1. Allow GPS1 to re-
acquire satellites.
4. Remove power from GIA2 by pulling
NAV/GPS2 and COM2 breakers.
5. Check for desired results.
6. Restore power to GIA2. Allow GPS2 to re-
acquire satellites.
GIA1 Failure – For a GIA1 failure, only the following shall
flag invalid:
9
COM1/NAV1 field (PFD & MFD).
9
NAV1 CDI loses deviation bar (PFD only).
GIA2 Power Failure – For a GIA2 failure, only the following
shall flag invalid:
9
COM2/NAV 2 field (PFD & MFD).
9
NAV2 CDI loses deviation bar (PFD only).
Dual GIA Failure Conditions:
1. Remove power from both GIA units.
2. Check for desired results.
3. Restore power to both GIA units.
Dual GIA Failure – For a dual GIA failure, the following
shall occur:
9
COM1/NAV1 & COM2/NAV2 fields flag invalid.
9
GPS CDI flags INTEG on PFD.
9
NAV1 & NAV2 CDI loses deviation bar.
9
XPDR field flags invalid on PFD.
9
Engine Instrument field flags invalid on MFD.
9
All AHRS & ADC fields remain valid.
8.3
Display Failure Test
Step Desired
Result
MFD Display Failure Conditions:
1. Remove power from MFD.
2. Check for desired results.
3. Restore power to MFD.
The following shall occur when power is removed from the
MFD:
9
PFD switches to reversion mode.
9
Attitude and Heading remain valid from AHRS.
9
Airspeed, Altitude, Vertical Speed, and OAT remain
valid from Air Data Computer.
9
Valid Engine Instrumentation appears on PFD.
9
XPDR field remains valid on PFD.
9
COM2/NAV2
fields flag invalid.
PFD Display Failure Conditions:
1. Remove power from PFD.
2. Check for desired results.
3. Replace power to PFD.
The following shall occur when power is removed from the
PFD:
9
MFD switches to reversion mode.
9
Attitude and Heading remain valid from AHRS.
9
Airspeed, Altitude, Vertical Speed, and OAT remain
valid from Air Data Computer.
9
MFD retains engine instrumentation.
9
Valid XPDR field appears on MFD
9
COM1/NAV 1 fields flag invalid.
Содержание Diamond DA40
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