TASK 31-63-00-810-811 Loss of the High Speed Bus Output from the DMC 2 Detected by the FWC 1
 1. Possible Causes
_______________
 - DMC-2 (1WT2)
- wiring
 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
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 2 OR 3:
 - 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 DMC 2 (1WT2) pins AB/1E, 1F to the first terminal block (Ref. ASM 31-61/03).
 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 210
 201-299, 301-399, Aug 01/05 CES
 Loss of the High Speed Bus Output from the DMC 1 Detected by the FWC 1
 1. Possible Causes
_______________
 - DMC-1 (1WT1)
- wiring
 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
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-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 AB/1E, 1F to the first terminal block (Ref. ASM 31-61/03).
 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 211
 201-299, 301-399, Aug 01/05 CES
R **ON A/C ALL
 TASK 31-63-00-810-813
 Loss of the High Speed Bus Output from the DMC 3 (DMC 2 Switched to DMC 3)
 Detected by the FWC 1
 1. Possible Causes
_______________
 - DMC-3 (1WT3)
- wiring
- wiring between the DMC 3 (1WT3) and the DMC 2 (1WT2)
 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 FWC1 : NO DATA FROM DMC2 OR 3:
 - replace the DMC-3 (1WT3) (Ref. AMM TASK 31-63-34-000-001) (Ref. AMM TASK 31-63-34-400-001).
 (1) If the fault continues:
 - do a check of the wiring from DMC 2 (1WT2) pins AB/1E, 1F to the first terminal block (Ref. ASM 31-61/03).
 (a) If there is no continuity:
- repair the wiring. 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 2(29)