737-600/700/800/900 TRAINING MANUAL
31-62-00-805.002 Rev 1 01/16/1999
CDS - TRAINING INFORMATION POINT - CDU CDS BITE PAGES - INFLIGHT FAULTS BULK ERASE
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737-600/700/800/900 TRAINING MANUAL
CDS -- TRAINING INFORMATION POINT - CDU CDS BITE PAGES - GROUND TESTS MENU General To operate a ground test, select line select key (LSK) 3L, GROUND TESTS from the CDS MAIN MENU. This shows the GROUND TESTS MENU page. You can not do a ground test with an engine on. GROUND TESTS MENU Page The GROUND TESTS MENU page shows a list of the ground tests you can do. These are the ground tests: -DEU self test -DU loop test -DU optical test -WXR/TERR display test. To operate the DEU self test, select LSK 1L. To operate the DU loop test, select LSK 2L. To operate the DU optical test, select LSK 3L. To operate the WXR/TERR display tests, select LSK 4L.
31-62-00
737-600/700/800/900 TRAINING MANUAL
31-62-00-806.002 Rev 1 01/16/1999
CDS - TRAINING INFORMATION POINT - CDU CDS BITE PAGES - GROUND TESTS MENU
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737-600/700/800/900 TRAINING MANUAL CDS -- TRAINING INFORMATION POINT - CDU CDS BITE PAGES - DEU SELF TEST 1
General
To do the DEU self test, select line select key (LSK) 1L, DEU SELF TEST, from the GROUND TEST MENU PAGE. This shows the SELF TEST MENU page.
SELF TEST MENU Page
The SELF TEST MENU page shows data about the self test.
The SELF TEST MENU page does not show test data during the self test. The SELF TEST MENU page shows test data when the test is complete.
The time necessary for the test is 105 seconds. The first 90 seconds of the test is a reset and power up of the DEU. After power up, 15 seconds is necessary for the DEU to do the self test. The time necessary for the reset and power up can be to 180 seconds because if it fails the first time, the DEU operates the test a second time.
To do the self test, select LSK 6R, RUN TEST.
To not do the self test, select LSK 6L, INDEX.
DEU SELF-TEST IN PROGRESS Page
When the you select RUN TEST on the SELF TEST MENU page, 7 to 10 seconds are necessary for the core software to find if a reset can be done. The control screen shows DEU SELF-TEST IN PROGRESS during the DEU software analysis. If the reset can not be done because of an internal DEU fault, the DEU SELF-TEST FAILED screen shows. If the reset can be done, the DEU SELF-TEST (3 MIN) page shows.
DEU SELF-TEST (3 MIN) Page
The DEU SELF-TEST (3 MIN) page shows during the DEU reset and power up. The time necessary is usually 90 seconds, but can be 180 seconds if the first reset and power up fails.
Training Information Point
If the DEU SELF-TEST page shows longer than 180 seconds (3 minutes), select the INIT REF key on the CDU.
SELF-TEST IN PROGRESS
If the reset operates correctly, you see the SELF-TEST IN PROGRESS page.
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737-600/700/800/900 TRAINING MANUAL
31-62-00-807.002 Rev 1 01/16/1999
CDS - TRAINING INFORMATION POINT - CDU CDS BITE PAGES - DEU SELF TEST 1
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737-600/700/800/900 TRAINING MANUAL CDS -- TRAINING INFORMATION POINT - CDU CDS BITE PAGES - DEU SELF-TEST 2
DEU Self-Test Results
When the self-test is complete, the CDU shows the results. If the DEU is good, the CDU shows DEU SELF-TEST PASSED. The DEU puts the results of the self-test in memory. The CDU shows the CAUTION display. Do not remove power to the DEU during this time. When the CDU shows the INDEX, the test results go to memory.
If the DEU senses faults during the self-test, the CDU shows SELF-TEST FAILED. The DEU puts the results of the self-test in memory. The CDU shows the CAUTION display. Do not remove power to the DEU during this time. When the DEU removes the CAUTION display, you can push LSK 6R to see the faults. When you are done, push LSK 6L to go back to the index.
31-62-00
737-600/700/800/900 TRAINING MANUAL
31-62-00-813.002 Rev 1 01/16/1999
CDS - TRAINING INFORMATION POINT - CDU CDS BITE PAGES - DEU SELF-TEST 2
31-62-00 中国航空网 www.aero.cn 航空翻译 www.aviation.cn 本文链接地址：737-600/700/800/900培训手册 TRAINING MANUAL 2(57)
