- 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 31-62/00
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 LGCIU2 FLIGHT DISCRETE (5GA2)/ 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:
- check the wiring from DMC2 (1WT2) pins AD/7A, 7B to the first terminal block (Ref. ASM 31-62/00)
B. Do the test given in Para. 3.A.
Loss of the LGCIU 2 Discrete on the DMC 3
1. Possible Causes
_______________
- DMC-3 (1WT3)
- wiring
2. Job Set-up Information
______________________
A. Referenced Information
-------------------------------------------------------------------------------REFERENCE DESIGNATION -------------------------------------------------------------------------------
AMM 31-60-00-740-004 EIS System Test
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 31-62/00
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 LGCIU2 FLIGHT DISCRETE (5GA2)/ DMC3(1WT3):
- replace the DMC-3 (1WT3) (Ref. AMM TASK 31-63-34-000-001) and (Ref. AMM TASK 31-63-34-400-001)
(1) if the fault continues:
- check the wiring from DMC3 (1WT3) pins AD/7A, 7B to the first terminal block (Ref. ASM 31-62/00)
B. Do the test given in Para. 3.A.
Power Supply Interruption Detected by the DMC
1. Possible Causes
_______________
2. Job Set-up Information
______________________
Not Applicable
3. Fault Confirmation
__________________
A. Not Applicable: this message is intermittent.
NOTE : A computer gives a POWER SUPPLY INTERRUPT message if the
____ electrical power stops for more than 200ms and then starts again.
4. Fault Isolation
_______________
A. If the POST FLIGHT REPORT gives the maintenance message POWER SUPPLY INTERRUPT:
- no maintenance action is necessary.
B. If there is an additional message related to the Aircraft Electrical Power System:
- do the related trouble shooting (Refer to TSM P. Block 101).
Loss of the Reception of the FMGC 1 Buses by the DMC 1
1. Possible Causes
_______________
- FMGC-1 (1CA1)
- DMC-1 (1WT1)
2. Job Set-up Information
______________________
A. Referenced Information
-------------------------------------------------------------------------------REFERENCE DESIGNATION -------------------------------------------------------------------------------
AMM 22-83-34-000-001 Removal of the FMGC (1CA1,1CA2)
AMM 22-83-34-400-001 Installation of the FMGC (1CA1,1CA2)
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)
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: FMGC1(1CA1):
- replace the FMGC-1 (1CA1) (Ref. AMM TASK 22-83-34-000-001) and (Ref. AMM TASK 22-83-34-400-001).
(1) If the fault continues:
- replace the DMC-1 (1WT1) (Ref. AMM TASK 31-63-34-000-001) and (Ref. AMM TASK 31-63-34-400-001).
B. Do the test given in Para. 3.A.
Loss of the Reception of the FMGC 1 Buses by the DMC 2
1. Possible Causes
_______________
- FMGC-1 (1CA1)
- DMC-2 (1WT2) 中国航空网 www.aero.cn 航空翻译 www.aviation.cn 本文链接地址：A320 Trouble Shooting Manual 排故手册 指示和记录系统 3(62)
