Loss of the input bus from the SDAC 2 to the DMC 3
1. Possible Causes
_______________
- DMC-3 (1WT3)
- wiring from the SDAC2 (1WV2) to the DMC3 (1WT3)
2. Job Set-up Information
______________________
A. Referenced Information
-------------------------------------------------------------------------------
REFERENCE DESIGNATION
-------------------------------------------------------------------------------
AMM 31-60-00-740-002 EIS Input Test
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 31-54/04
3. Fault Confirmation
__________________
A. Make sure that this(these) circuit breaker(s) is(are) closed:
-------------------------------------------------------------------------------
PANEL DESIGNATION IDENT. LOCATION
-------------------------------------------------------------------------------
121VU EIS/SDAC/2/SPLY 2WV Q06
R **ON A/C 001-049, 051-099, 101-149, 151-199, 201-299, 301-399,
B. Test Do the EIS input test (EIS 3) (Ref. AMM TASK 31-60-00-740-002).
R **ON A/C 401-499,
B. Test Do the Ground Scanning Test of the DMC (Ref. AMM TASK 31-60-00-740-007).
4. Fault Isolation
_______________
R **ON A/C 001-049, 051-099, 101-149, 151-199, 201-299, 301-399,
A. If the test gives the maintenance message:
DMC3 : NO SDAC2 DATA
- 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:
- do a check and repair the wiring from the SDAC2 (1WV2) to the DMC3 (1WT3), (Ref. ASM 31-54/04).
R **ON A/C 401-499,
A. If the test gives the maintenance message:
SDAC2(1WV2)/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:
- do a check and repair the wiring from the SDAC2 (1WV2) to the DMC3 (1WT3), (Ref. ASM 31-54/04).
**ON A/C ALL
B. Do the test given in Para. 3.B.
Loss of the FQI 1 Output Bus by the DMC 1
1. Possible Causes
_______________
- DMC-1 (1WT1)
- wiring
2. Job Set-up Information
______________________
A. Referenced Information
-------------------------------------------------------------------------------REFERENCE DESIGNATION -------------------------------------------------------------------------------
AMM 31-60-00-740-002 EIS Input Test
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. Make sure that this(these) circuit breaker(s) is(are) closed:
-------------------------------------------------------------------------------PANEL DESIGNATION IDENT. LOCATION -------------------------------------------------------------------------------49VU FUEL/FQI/CHAN/1 1QT A13 121VU FUEL/FQI/CHANNEL/1 AND 2 8QT L26 121VU FUEL/FQI/CHAN/2 2QT M27
R **ON A/C 001-049, 051-099, 101-149, 151-199, 201-299, 301-399,
B. Test
Do the EIS input test (Ref. AMM TASK 31-60-00-740-002).
R **ON A/C 401-499,
B. Test Do the Ground Scanning Test of the DMC (Ref. AMM TASK 31-60-00-740-007).
「一一一一一一一一一一一一一一一一一一一一一一一一一一一一一一一一一一一一一一一一一一一一一一一1 EFF : ALL ∞∞31-63-00∞∞∞∞∞∞∞∞∞∞Page B229
Aug 01/05 CES 4. Fault Isolation
_______________
R **ON A/C 001-049, 051-099, 101-149, 151-199, 201-299, 301-399,
A. If the test gives the maintenance message DMC 1 : NO FQI 1 DATA:
- 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/11A, 11B to the first terminal block (Ref. ASM 31-62/01).
R **ON A/C 401-499,
A. If the test gives the maintenance message FQI(3QT)BUS1/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 AD/9J, 9K to the first terminal block (Ref. ASM 31-62/01).
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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 2(89)
