3. Fault Confirmation
__________________
 A. Test Do the operational test of the central warning systems (FWC) (Ref. AMM TASK 31-50-00-710-001).
 4. Fault Isolation
_______________
 A. If the test gives the maintenance message FWC1 : NO DATA FROM DMC 1 OR 3:
 - 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 of the wiring from the DMC 1 (1WT1) pins AB/1E, 1F to the first terminal block (Ref. ASM 31-61/03).
 (a) If there is no continuity:

 - repair the wiring.

 (b) If there is continuity:

 - do a check and repair the wiring between the DMC 3 (1WT3) and the DMC 1 (1WT1) from pins AB/1E, 1F to pins AA/13E, 13F (Ref. ASM 31-68/05).
 B. Do the test given in Para. 3.
 「一一一一一一一一一一一一一一一一一一一一一一一一一一一一一一一一一一一一一一一一一一一一一一一1R EFF : 001-049, 051-099, 101-149, 151-199, ∞∞31-63-00∞∞∞∞∞∞∞∞∞∞Page 216
 201-299, 301-399, Aug 01/05 CES Loss of the High Speed Bus Output from the DMC 3 (DMC 1 Switched to DMC 3) Detected by the ECAM Control Panel

 1. Possible Causes
_______________
 - DMC-3 (1WT3)

 - wiring

 - wiring between the DMC 3 (1WT3) and the DMC 1 (1WT1)

 2. Job Set-up Information
______________________
 A. Referenced Information
 -------------------------------------------------------------------------------REFERENCE DESIGNATION -------------------------------------------------------------------------------
AMM 31-50-00-710-001 Ground Scanning of the Central Warning System
 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 31-61/03
 ASM 31-68/05

 3. Fault Confirmation
__________________
 A. Test Do the operational test of the central warning systems (FWC) (Ref. AMM TASK 31-50-00-710-001).
 4. Fault Isolation
_______________
 A. If the test gives the maintenance message ECP : NO DATA FROM DMC 1 OR 3:
 - 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 of the wiring from the DMC 1 (1WT1) pins AB/1E, 1F to the first terminal block (Ref. ASM 31-61/03).
 (a) If there is no continuity:

 - repair the wiring.

 (b) If there is continuity:

 - do a check and repair the wiring between the DMC 3 (1WT3) and the DMC 1 (1WT1) from pins AB/1E, 1F to pins AA/13E, 13F (Ref. ASM 31-68/05).
 B. Do the test given in Para. 3.
 「一一一一一一一一一一一一一一一一一一一一一一一一一一一一一一一一一一一一一一一一一一一一一一一1R EFF : 001-049, 051-099, 101-149, 151-199, ∞∞31-63-00∞∞∞∞∞∞∞∞∞∞Page 217
 201-299, 301-399, Aug 01/05 CES Loss of the High Speed Bus Output from the DMC 3 (DMC 1 Switched to DMC 3) Detected by the FWC 2

 1. Possible Causes
_______________
 - DMC-3 (1WT3)

 - wiring

 - wiring between the DMC 3 (1WT3) and the DMC 1 (1WT1)

 2. Job Set-up Information
______________________
 A. Referenced Information
 -------------------------------------------------------------------------------REFERENCE DESIGNATION -------------------------------------------------------------------------------
AMM 31-50-00-710-001 Ground Scanning of the Central Warning System
 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 31-61/03
 ASM 31-68/05

 3. Fault Confirmation
__________________
 A. Test Do the operational test of the central warning systems (FWC) (Ref. AMM TASK 31-50-00-710-001).
 4. Fault Isolation
_______________
 A. If the test gives the maintenance message FWC2 : NO DATA FROM DMC 1 OR 3:
 - 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 of the wiring from the DMC 1 (1WT1) pins AB/1E, 1F to the first terminal block (Ref. ASM 31-61/03).
 (a) If there is no continuity:

 - repair the wiring.

 (b) If there is continuity:

 - do a check and repair the wiring between the DMC 3 (1WT3) and the DMC 1 (1WT1) from pins AB/1E, 1F to pins AA/13E, 13F (Ref. ASM 31-68/05).
　
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