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G1000 Supplemental Maintenance Manual
Page 4-7
Textron Nav III Series
Revision 3
190-02128-04
3. With the G1000 system in normal mode, pull the following circuit breakers on the circuit
breaker panel:
•
PFD (ESS BUS)
•
ADC/AHRS (ESS BUS)
•
NAV 1/ENG (ESS BUS)
4. Wait at least 5 seconds, then verify the data on the PFD remains valid and the following
alert messages are not present:
•
GIA 1 FAIL (or any related message such as COM1, NAV1, XPDR1, GPS1)
•
AHRS 1 FAIL
•
ADC 1 FAIL
5. Close the circuit breakers listed in step 3.
6. Repeat step 4.
7. Pull the following circuit breakers on the circuit breaker panel:
•
PFD (AVN BUS 1)
•
ADC/AHRS (AVN BUS 1)
•
NAV 1/ENG (AVN BUS 1)
8. Wait at least 5 seconds, then repeat step 4.
9. Close the circuit breakers listed in step 7.
(B) AHRS and ADC data path check (when GSU 75 installed)
1. Verify there are no AHRS loss of data messages, such as:
•
AHRS not receiving any GPS information
•
AHRS not receiving backup GPS information
•
AHRS using backup GPS source
2. Place the G1000 system in configuration mode.
3. In the GIA page group, go to the GIA RS-232/ARINC 429 CONFIG page.
4. With GIA1 selected in the SELECT UNIT window, verify the following indicators are
green checks:
•
RS232 Channel 1 (GDC72 #1)
•
RS232 Channel 6 (GRS79 #1)
•
ARINC 429 IN 6 (GSU75 #1)
(Ref. Section 5.1.1.2.)
5. With GIA2 selected in the SELECT UNIT window, verify the following indicators are
green checks:
•
RS232 Channel 2 (GRS79 #1)
•
ARINC 429 IN 5 (GSU75 #1)
(Ref. Section 5.1.1.2.)
Содержание G1000 NXi
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