3. Fault Confirmation
__________________
A. Test On the CFDS MENU page, get access to the AVIONICS STATUS page (Ref. AMM TASK 31-32-00-869-002).
4. Fault Isolation
_______________
A. If the test gives the maintenance message NO AFT CHC DATA:
- replace the CFDIU (1TW) (Ref. AMM TASK 31-32-34-000-001) and (Ref. AMM TASK 31-32-34-400-001).
(1) If the fault continues:
- do a check and repair the wiring from the CFDIU (1TW) pins AA/5H, 5J to the first terminal block (Ref. ASM 31-32/02).
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 ∞∞31-32-00∞∞∞∞∞∞∞∞∞∞Page A263
May 01/05R
CES Loss of the MCDU 1 by the CFDIU
1. Possible Causes
_______________
- CFDIU (1TW)
- wiring
2. Job Set-up Information
______________________
A. Referenced Information
-------------------------------------------------------------------------------REFERENCE DESIGNATION -------------------------------------------------------------------------------
AMM 31-32-00-740-003 Ground Scanning of the CFDIU
AMM 31-32-34-000-001 Removal of the CFDIU (1TW)
AMM 31-32-34-400-001 Installation of the CFDIU (1TW)
ASM 31-32/07
3. Fault Confirmation
__________________
A. Make sure that this(these) circuit breaker(s) is(are) closed:
-------------------------------------------------------------------------------PANEL DESIGNATION IDENT. LOCATION -------------------------------------------------------------------------------49VU AUTO FLT/MCDU/1 11CA1 B01
B. Test Do the GROUND SCANNING of the CFDIU (Ref. AMM TASK 31-32-00-740-003).
4. Fault Isolation
_______________
A. If the test gives the maintenance message NO MCDU1 DATA:
- replace the CFDIU (1TW) (Ref. AMM TASK 31-32-34-000-001) and (Ref. AMM TASK 31-32-34-400-001).
(1) If the fault continues:
- do a check and repair the wiring from the CFDIU (1TW) pins AA/3J, 3H to the first terminal block and (Ref. ASM 31-32/07).
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 ∞∞31-32-00∞∞∞∞∞∞∞∞∞∞Page A264
May 01/05R CES
Loss of the MCDU 2 by the CFDIU
1. Possible Causes
_______________
- CFDIU (1TW)
- wiring
2. Job Set-up Information
______________________
A. Referenced Information
-------------------------------------------------------------------------------REFERENCE DESIGNATION -------------------------------------------------------------------------------
AMM 31-32-00-740-003 Ground Scanning of the CFDIU
AMM 31-32-34-000-001 Removal of the CFDIU (1TW)
AMM 31-32-34-400-001 Installation of the CFDIU (1TW)
ASM 31-32/07
3. Fault Confirmation
__________________
A. Make sure that this(these) circuit breaker(s) is(are) closed:
-------------------------------------------------------------------------------PANEL DESIGNATION IDENT. LOCATION -------------------------------------------------------------------------------
121VU AUTO FLT/MCDU/2 11CA2 N20
B. Test Do the GROUND SCANNING of the CFDIU (Ref. AMM TASK 31-32-00-740-003).
4. Fault Isolation
_______________
A. If the test gives the maintenance message NO MCDU2 DATA:
- replace the CFDIU (1TW) (Ref. AMM TASK 31-32-34-000-001) and (Ref. AMM TASK 31-32-34-400-001).
(1) If the fault continues:
- do a check and repair the wiring from the CFDIU (1TW) pins AB/3B, 3C to the first terminal block (Ref. ASM 31-32/07).
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 ∞∞31-32-00∞∞∞∞∞∞∞∞∞∞Page A265
May 01/05R CES
Failure of the MCDU3
1. Possible Causes
_______________
- MCDU-3 (3CA3)
- LGCIU-1 (5GA1)
- RELAY-L/G POSITION, SYS1 (11GB)
- RELAY-GND SERVICE BUS CHG OVER (53GA) 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 1(50)
