- repair the wiring.
(b) If there is continuity:
 - do a check and repair the wiring between the DMC 3 (1WT3) and the DMC 2 (1WT2) 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 203
 201-299, 301-399, Aug 01/05 CES
R **ON A/C ALL
 TASK 31-63-00-810-803
 Loss of the L/DMC Bus Input by the FWC 1
 1. Possible Causes
_______________
 - FWC-1 (1WW1)
- 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 31-53-34-000-001 Removal of the Flight Warning Computer (FWC)
 (1WW1,1WW2)
 AMM 31-53-34-400-001 Installation of the Flight Warning Computer (FWC)
 (1WW1,1WW2)
 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 FWC 1 : NO DATA FROM DMC 1 OR
 3:
 - replace the FWC-1 (1WW1) (Ref. AMM TASK 31-53-34-000-001) and (Ref. AMM TASK 31-53-34-400-001).
 (1) If the fault continues:
 - do a check and repair the wiring from the FWC 1 ( 1WW1) pins AB/5G, 5H to the first terminal block (Ref. ASM 31-61/03).
 B. Do the test given in Para. 3.
 「一一一一一一一一一一一一一一一一一一一一一一一一一一一一一一一一一一一一一一一一一一一一一一一1 EFF : ALL ∞∞31-63-00∞∞∞∞∞∞∞∞∞∞Page 204
 Feb 01/05 CES Loss of the L/DMC Bus Input by the FWC 2
 1. Possible Causes
_______________
 - FWC-2 (1WW2)
- 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 31-53-34-000-001 Removal of the Flight Warning Computer (FWC) (1WW1,1WW2) R AMM 31-53-34-400-001 Installation of the Flight Warning Computer (FWC) (1WW1,1WW2) 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 FWC 2 : NO DATA FROM DMC 1 OR
 3:
 - replace the FWC-2 (1WW2) (Ref. AMM TASK 31-53-34-000-001) and (Ref. AMM TASK 31-53-34-400-001).
 (1) If the fault continues:
 - do a check and repair the wiring from the FWC 2 (1WW2) pins AB/5G, 5H to the first terminal block (Ref. ASM 31-61/03).
 B. Do the test given in Para. 3.
 Loss of the R/DMC Bus Input by the FWC 1
 1. Possible Causes
_______________
 - FWC-1 (1WW1)
- 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 31-53-34-000-001 Removal of the Flight Warning Computer (FWC) (1WW1,1WW2) R AMM 31-53-34-400-001 Installation of the Flight Warning Computer (FWC) (1WW1,1WW2) 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 FWC 1 : NO DATA FROM DMC 2 OR
 3:
- replace the FWC-1 (1WW1) (Ref. AMM TASK 31-53-34-000-001) and (Ref. AMM TASK 31-53-34-400-001). 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(27)