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 A262
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 2 : NO FAC 1 DATA:
- 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 (1WT2) pins AA/3C, 3D to the first terminal block (Ref. ASM 31-62/01).
(2) If the fault continues:
- do a check and repair the wiring from the DMC 2 (1WT2) pin AB/1K to the first terminal block (Ref. ASM 22-65/01).
R **ON A/C 401-499,
A. If the test gives the maintenance message FAC1(1CC1)/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 (1WT2) pins AA/4A, 4B to the first terminal block (Ref. ASM 31-62/01).
(2) If the fault continues:
- do a check and repair the wiring from the DMC 2 (1WT2) pin AB/5C to the first terminal block (Ref. ASM 22-65/01).
**ON A/C ALL
B. Do the test given in Para. 3.B.
「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 A263
Aug 01/05 CES Loss of the FAC 2 Output Bus by the DMC 2
1. Possible Causes
_______________
- DMC-2 (1WT2)
- 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 22-65/01
ASM 31-62/01
3. Fault Confirmation
__________________
A. Make sure that this(these) circuit breaker(s) is(are) closed:
-------------------------------------------------------------------------------PANEL DESIGNATION IDENT. LOCATION -------------------------------------------------------------------------------121VU AUTO FLT/FAC2/28VDC 5CC2 M19 121VU AUTO FLT/FAC2/26VAC 14CC2 M18
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 A264
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 2 : NO FAC 2 DATA:
- 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 (1WT2) pins AA/3G, 3H to the first terminal block (Ref. ASM 31-62/01).
(2) If the fault continues:
- do a check and repair the wiring from the DMC 2 (1WT2) pin AB/2K to the first terminal block (Ref. ASM 22-65/01).
R **ON A/C 401-499,
A. If the test gives the maintenance message FAC2(1CC2)/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 (1WT2) pins AA/4J, 4K to the first terminal block (Ref. ASM 31-62/01).
(2) If the fault continues:
- do a check and repair the wiring from the DMC 2 (1WT2) pin AB/5H to the first terminal block (Ref. ASM 22-65/01).
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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(72)
