3. Fault Confirmation
__________________
A. Test
Do the EIS system test (Ref. AMM TASK 31-60-00-740-004).
4. Fault Isolation
_______________
A. If the test gives the maintenance message FCU1(2CA)BUS FCU1B/DMC2(1WT2):
- replace the DMC-2 (1WT2) (Ref. AMM TASK 31-63-34-000-001) and (Ref. AMM TASK 31-63-34-400-001).
(1) If the fault continues:
- do a check and repair the wiring from the DMC 2 (1WT32) pins AA/1C, 1D to the first terminal block (Ref. ASM 31-62/01).
5. Close-up
________
A. Do the test given in Para. 3.B.
TASK 31-63-81-810-933 Loss of the FCU 2 Channel A Output Bus by DMC 1
1. Possible Causes
_______________
- DMC-1 (1WT1)
- wiring
2. Job Set-up Information
______________________
A. Referenced Information
-------------------------------------------------------------------------------REFERENCE DESIGNATION -------------------------------------------------------------------------------
AMM 31-60-00-740-007 GROUND SCANNING Test of the DMC
AMM 31-63-34-000-001 Removal of the DMC (1WT1,1WT2,1WT3)
AMM 31-63-34-400-001 Installation of the DMC (1WT1,1WT2,1WT3)
ASM 31-62/01
3. Fault Confirmation
__________________
A. Test Do the Ground Scanning Test of the DMC (Ref. AMM TASK 31-60-00-740-007).
4. Fault Isolation
_______________
A. If the test gives the maintenance message FCU2(2CA)BUS FCU2A/DMC1(1WT1):
- replace the DMC-1 (1WT1) (Ref. AMM TASK 31-63-34-000-001) and (Ref. AMM TASK 31-63-34-400-001).
(1) If the fault continues:
- do a check and repair the wiring from the DMC 1 (1WT1) pins AA/6J, 6K to the first terminal block (Ref. ASM 31-62/01).
5. Close-up
________
A. Do the test given in Para. 3.B.
TASK 31-63-81-810-934 Loss of the FCU 2 Channel B Output Bus by DMC 1
1. Possible Causes
_______________
- DMC-1 (1WT1)
- wiring
2. Job Set-up Information
______________________
A. Referenced Information
-------------------------------------------------------------------------------REFERENCE DESIGNATION -------------------------------------------------------------------------------
AMM 31-60-00-740-007 GROUND SCANNING Test of the DMC
AMM 31-63-34-000-001 Removal of the DMC (1WT1,1WT2,1WT3)
AMM 31-63-34-400-001 Installation of the DMC (1WT1,1WT2,1WT3)
ASM 31-62/01
3. Fault Confirmation
__________________
A. Test Do the Ground Scanning Test of the DMC (Ref. AMM TASK 31-60-00-740-007).
4. Fault Isolation
_______________
A. If the test gives the maintenance message FCU2(2CA)BUS FCU2B/DMC1(1WT1):
- replace the DMC-1 (1WT1) (Ref. AMM TASK 31-63-34-000-001) and (Ref. AMM TASK 31-63-34-400-001).
(1) If the fault continues:
- do a check and repair the wiring from the DMC 1 (1WT1) pins AA/1G, 1H to the first terminal block (Ref. ASM 31-62/01).
5. Close-up
________
A. Do the test given in Para. 3.B.
TASK 31-63-81-810-935 Failure of the CAPT PFD Pin Programming Detected by the DMC 2
1. Possible Causes
_______________
- PFD-CAPT (2WT1)
- ground signals at CAPT PFD (2WT1) connector AA
2. Job Set-up Information
______________________
A. Referenced Information
-------------------------------------------------------------------------------REFERENCE DESIGNATION -------------------------------------------------------------------------------
AMM 31-60-00-740-004 EIS System Test AMM 31-63-22-000-001 Removal of the Display Unit (2WT1,2WT2,3WT1,3WT2,4WT1,4WT2) AMM 31-63-22-400-001 Installation of the Display Unit (2WT1,2WT2,3WT1,3WT2,4WT1,4WT2) AWM 31-68-06
3. Fault Confirmation
__________________
A. Test
Do the EIS system test (Ref. AMM TASK 31-60-00-740-004).
4. Fault Isolation
_______________
A. If the test gives the maintenance message WRG: PIN PROG/DU PFD CAPT(2WT1)
- do a check for ground signals at CAPT PFD (2WT1) connector AA (Ref. AWM 31-68-06).
(1) If the wiring is incorrect:
- repair the wiring.
(2) If the wiring is correct:
- replace the PFD-CAPT (2WT1) (Ref. AMM TASK 31-63-22-000-001) and (Ref. AMM TASK 31-63-22-400-001).
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本文链接地址：A320 Trouble Shooting Manual 排故手册 指示和记录系统 3(70)
