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TASK 77-00-00-810-886
Loss of the Data on ARINC Bus from the EIU to the FADEC on Engine 1
1. Possible Causes_______________
- EIU-1 (1KS1)
- harness J3 between the EIU (1KS1) and the ECU (4000KS)
- CONT-ZONE TEMPERATURE (8HK)
- ECU (4000KS)
2. Job Set-up Information______________________
A. Referenced Information
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REFERENCE DESIGNATION
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AMM 21-63-34-000-001 Removal of the Zone Controller (8HK)
AMM 21-63-34-400-001 Installation of the Zone Controller (8HK)
AMM 73-21-60-000-001 Removal of the Electronic Control Unit (ECU)(4000KS)
AMM 73-21-60-400-001 Installation of the Electronic Control Unit (ECU)(4000KS)
AMM 73-25-34-000-040 Removal of the Engine Interface Unit (EIU) (1KS1,1KS2)
AMM 73-25-34-400-040 Installation of the Engine Interface Unit (EIU) (1KS1,1KS2)
AMM 73-25-34-710-040 Operational Test of the Engine Interface Unit (1KS1,1KS2)
AMM 73-29-00-710-040 Operational Test of the FADEC on the Ground (with Engine non Motoring)
ASM 73-25/06
3. Fault Confirmation__________________
A. Test
(1) Do the operational test of the Engine Interface Unit (EIU) through the Centralized Fault Display System (CFDS) (Ref. AMM TASK 73-25-34-710-040).
(2) Do the operational test of the FADEC 1A and 1B on the ground (with engine non motoring) (Ref. AMM TASK 73-29-00-710-040).
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ECES 4. Fault Isolation
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A. If the fault symptom is identified by the upper ECAM warning ENG1 BLEED STATUS FAULT and the tests of the EIU and FADEC give no maintenance messages:
- do a check for open or short to ground of the harness J3 between the EIU (1KS1) and the ECU (4000KS) pins AB/5A, 5C to pins J3/22, 23 (Ref. ASM 73-25/06).
(1) If the wiring is not correct:
- repair the above wiring.
(2) If the wiring is correct:
- replace the EIU-1 (1KS1) (Ref. AMM TASK 73-25-34-000-040) and (Ref. AMM TASK 73-25-34-400-040).
(3) If the fault continues:
- replace the CONT-ZONE TEMPERATURE (8HK) (Ref. AMM TASK 21-63-34-000-001) and (Ref. AMM TASK 21-63-34-400-001).
(4) If the fault continues:
- replace the ECU (4000KS) (Ref. AMM TASK 73-21-60-000-001) and (Ref. AMM TASK 73-21-60-400-001).
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ECES TASK 77-00-00-810-887
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Loss of the Data on ARINC Bus from the EIU to the FADEC on Engine 2
1. Possible Causes_______________
- EIU-2 (1KS2)
- harness J3 between the EIU (1KS2) and the ECU (4000KS)
- CONT-ZONE TEMPERATURE (8HK)
- ECU (4000KS)
2. Job Set-up Information______________________
A. Referenced Information
-------------------------------------------------------------------------------
REFERENCE DESIGNATION
-------------------------------------------------------------------------------
AMM 21-63-34-000-001 Removal of the Zone Controller (8HK)
AMM 21-63-34-400-001 Installation of the Zone Controller (8HK)
AMM 73-21-60-000-001 Removal of the Electronic Control Unit (ECU)(4000KS)
AMM 73-21-60-400-001 Installation of the Electronic Control Unit (ECU)(4000KS)
AMM 73-25-34-000-040 Removal of the Engine Interface Unit (EIU) (1KS1,1KS2)
AMM 73-25-34-400-040 Installation of the Engine Interface Unit (EIU) (1KS1,1KS2)
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本文鏈接地址：A320 Trouble Shooting Manual 排故手冊 發(fā)動機指示(104)
