Category B Long Term Power Interrupt Inspection - Garmin G1000 Maintenance Manual

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9.8 CATEGORY B LONG TERM POWER INTERRUPT ANNUAL INSPECTION
PROCEDURE
Loading "GDU Backup Cap Test Software" (006-B0380-15) to the GDUs temporarily
changes the GDU software version. It is required to return the system to the currently
approved system software version and configuration following the Long Term Power
Interrupt Test.
For GDU software greater than 8.20 in certain aircraft, no backloading of the GDU
software to check the backup caps is necessary. Instead, select the GDU test page in
configuration mode and look for a green box for BKUP CAPS. If the indicator is red,
replace the display.
1. Before beginning the Category B Long Term Power Interrupt Annual Inspection Procedure, the test
software "GDU Backup Cap Test Software (006-B0380-15)" must be downloaded from the Garmin
website:
2. Access the Dealer Resource portion of the Garmin website (www.garmin.com).
3. From the Technical Resource list, click on the "GDU Backup Cap Test Software
(006-B0380-15)" link. Extract the files onto a blank SD card.
4. Remove the Supplemental Data Card from the lower slot of the GDU before loading any software.
Supplemental Data Cards left inserted can become corrupt, making them unusable. Replacing corrupt
cards is not covered under warranty
5. Insert the SD card containing the test software into the top slot of the MFD.
6. Power the MFD on in configuration mode by holding down the ENT key while applying power
(release the ENT key when the words "INITIALIZING SYSTEM" appear on the display).
7. Press the ENT key at the "DO YOU WANT TO UPDATE SYSTEM FILES?" prompt.
8. Press the ENT key to confirm software update completion.
9. Remove the SD card from the MFD and insert into the top slot of the PFD (leave the MFD on in
configuration mode).
10. Power the PFD on in configuration mode by holding down the ENT key while applying power
(release the ENT key when the words "INITIALIZING SYSTEM" appear on the display).
11. Press the ENT key at the "DO YOU WANT TO UPDATE SYSTEM FILES?" prompt.
12. Press the ENT key to confirm software update completion.
13. Use the FMS knob to select the SYSTEM UPLOAD Page.
14. Select the configuration file "Backup Capacitor Test 50ms" from the SYSTEM UPLOAD Page.
15. Press the ENT key to confirm the configuration file selection.
16. Press the LOAD softkey to load the configuration file. Press the ENT key to confirm upload
completion.
17. Remove the SD card from the PFD.
18. Remove power to all GDUs.
19. Power on the MFD and PFD in normal mode, and leave on for a minimum of eleven minutes.
20. Remove power from the MFD and PFD.
21. Turn on the MFD and PFD in configuration mode by holding down the ENT key while applying
power (release the ENT key when the words "INITIALIZING SYSTEM" appear on the display).
Page 9-4
Rev. B
NOTE
NOTE
G1000 System Maintenance Manual
190-00907-00