A22-11-00-122.fm
FAULT HISTORY TEST PASSED Page (Not Shown) This page shows these data: -LRU that was tested -Which channel was tested -Group number
-Library test number. If you push LSK 6R, you will go to the NEXT PAGE OF LEG FAULTS. FAULT HISTORY TEST FAILED Page This page shows these data:
-LRU that was tested
-Which channel was tested
-Group number
-Library test number.
If you push LSK 6L, you will go to the FAULT HISTORY SUSPECT
LRU(S) page.
FAULT HISTORY SUSPECT LRU(S) Page
This page is similar to the other suspect LRU pages that were shown.
To see test data about the failures, push LSK 6L. This shows the test
data page.
Test Data Page
This is the same as the other test data pages. It shows what step the
test was on when it recorded the failure. It also shows the value of the
failed data. To rerun the test, push LSK 6L. To return to the FAULT FOR EACH LEG page, push LSK 6R.
Rockwell Collins Enhanced Digital Flight Control System Differences
The menu’s that access the fault history screens are the same on the Collins EDFCS and on the Honewell DFCS. Once you access a specifc fault history screen, the Collins differences are idenfied as follows.
For ARINC 429: Honeywell identiies invalid parameters. Collins identifies the LRU, and distinguishes bus ACTIVITY (NO ADIRU (IRU) DATA) from Sign Status Matrix (SSM) Fail ( ADIRU(IRU) DATA INV).
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