「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 ∞∞31-63-81∞∞∞∞∞∞∞∞∞∞Page 218
 Feb 01/98 CES a If the fault continues:

 2_ If there is continuity:
 - do a check and repair the wiring from DMC1 (1WT1) pins
 AB/11D, 11E to the first terminal block.

_

 - do a check and repair the wiring from the DMC1 (1WT1) to the DMC3 (1WT3): . pins AB/11H, 11J to pins AB/11B, 11C . pins AB/11F, 11G to pins AB/11D, 11E.
 (2) If this test gives no maintenance message:
 - replace the DU-ECAM, UPPER (4WT1) (Ref. AMM TASK 31-63-22-000-001) and (Ref. AMM TASK 31-63-22-400-001).
 (a) If the fault continues:
 - do a check of the wiring from upper ECAM DU (4WT1) pins AA/35, 36 to the first terminal block (Ref. ASM 31-61/04).
 1 If there is no continuity:
_ - repair the wiring.

 2 If there is continuity:
_

 - do a check and repair the wiring from upper ECAM DU (4WT1) pins AA/38, 39 to the first terminal block.
 B. Do the test given in Para. 3.

 Failure of the Lower ECAM DU Detected by the DMC2
 1. Possible Causes
_______________
 - DU-ECAM, LOWER (4WT2)

 - DMC-3 (1WT3)

 - wiring from the lower ECAM DU (4WT2) to the DMC2 (1WT2)

 - wiring from the DMC2 (1WT2) to the DMC3 (1WT3)

 2. Job Set-up Information
______________________
 A. Referenced Information
 -------------------------------------------------------------------------------REFERENCE DESIGNATION -------------------------------------------------------------------------------
AMM 31-60-00-740-002 EIS Input Test
 AMM 31-63-22-000-001 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)
 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 31-61/04

 3. Fault Confirmation
__________________
 A. Test
 Do the EIS input test (Ref. AMM TASK 31-60-00-740-002).

 4. Fault Isolation
_______________
 A. If the test gives the maintenance message DMC3 - DU ECAM2 LINK:
 - replace the DU-ECAM, LOWER (4WT2) (Ref. AMM TASK 31-63-22-000-001) and (Ref. AMM TASK 31-63-22-400-001).
 (1) If the fault continues:
 - do a check of the wiring from the lower ECAM DU (4WT2) to the DMC2 (1WT2): . pins AA/35, 36 to pins AB/11B, 11C . pins AA/38, 39 to pins AB/11D, 11E (Ref. ASM 31-61/04).
 (a) If there is no continuity:

 - repair the wiring.

 (b) If there is continuity:

 - replace the DMC-3 (1WT3) (Ref. AMM TASK 31-63-34-000-001) and (Ref. AMM TASK 31-63-34-400-001).
 「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 ∞∞31-63-81∞∞∞∞∞∞∞∞∞∞Page 220
 Feb 01/98 CES

 1_ If the fault continues:
 - do a check and repair the wiring from the DMC2 (1WT2) to the
 DMC3 (1WT3):
 . pins AB/11H, 11J to pins AB/11B, 11C

 . pins AB/11F, 11G to pins AB/11D, 11E.
 B. Do the test given in Para. 3.

 Loss of the ENG1 N1 Indication on the Upper ECAM DU Detected by the DMC1
 1. Possible Causes
_______________
 - DMC-1 (1WT1)

 - DU-ECAM, UPPER (4WT1)

 - wiring

 2. Job Set-up Information
______________________
 A. Referenced Information
 -------------------------------------------------------------------------------REFERENCE DESIGNATION -------------------------------------------------------------------------------
AMM 31-60-00-740-002 EIS Input 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)
 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 31-61/04

 3. Fault Confirmation
__________________
 A. Test
 Do the EIS input test (Ref. AMM TASK 31-60-00-740-002).

 4. Fault Isolation
_______________
 A. If the test gives the maintenance message DMC1 : ENG1 N1 DSPLY ERR:
 - on the ECAM control panel, set the UPPER DISPLAY potentiometer to OFF and do the test given in Para. 3.
　
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