3. Fault Confirmation
__________________
A. Make sure that this(these) circuit breaker(s) is(are) closed:
-------------------------------------------------------------------------------PANEL DESIGNATION IDENT. LOCATION -------------------------------------------------------------------------------49VU ENGINE/1/FIRE DET/LOOP A 7WD1 A06 121VU ENGINE/ENG1/FIRE DET/LOOP B 8WD1 Q38
B. Test On the CFDS MENU page, get access to the AVIONICS STATUS page (Ref. AMM TASK 31-32-00-869-002).
4. Fault Isolation
_______________
R R R A. If the test gives the maintenance message NO FDU 1 DATA: - replace the FDU-ENG1 (2WD1), (Ref. AMM TASK 26-12-34-000-001) and (Ref. AMM TASK 26-12-34-400-001).
R R R (1) If the fault continues: - replace the CFDIU (1TW), (Ref. AMM TASK 31-32-34-000-001) and (Ref. AMM TASK 31-32-34-400-001).
(a) If the fault continues: - do a check and repair the wiring from the CFDIU (1TW) to the FDU of the engine 1 (2WD1) from pins AA/14B, 14C to pins A/G,F , (Ref. ASM 31-32/06).
B. Do the test given in Para. 3.B.
Loss of the Bus Output from the FDU of the Engine 2 to the CFDIU
1. Possible Causes
_______________
R
- FDU-ENG2 (2WD2) R - CFDIU (1TW)
- wiring from the CFDIU (1TW) to the FDU of the engine 2 (2WD2)
2. Job Set-up Information
______________________
A. Referenced Information
-------------------------------------------------------------------------------REFERENCE DESIGNATION -------------------------------------------------------------------------------
AMM 26-12-34-000-001 Removal of the Engine Fire-Detection Unit (FDU) (2WD1,2WD2) AMM 26-12-34-400-001 Installation of the Engine Fire-Detection Unit (FDU)
(2WD1,2WD2)
AMM 31-32-00-869-002 Procedure for Class 3 Faults Reading
AMM 31-32-34-000-001 Removal of the CFDIU (1TW)
AMM 31-32-34-400-001 Installation of the CFDIU (1TW)
ASM 31-32/06
3. Fault Confirmation
__________________
A. Make sure that this(these) circuit breaker(s) is(are) closed:
-------------------------------------------------------------------------------PANEL DESIGNATION IDENT. LOCATION -------------------------------------------------------------------------------49VU ENGINE/2/FIRE DET/LOOP B 8WD2 A07 121VU ENGINE/ENG2/FIRE DET/LOOP A 7WD2 Q39
B. Test On the CFDS MENU page, get access to the AVIONICS STATUS page (Ref. AMM TASK 31-32-00-869-002).
4. Fault Isolation
_______________
R R R A. If the test gives the maintenance message NO FDU 2 DATA: - replace the FDU-ENG2 (2WD2), (Ref. AMM TASK 26-12-34-000-001) and (Ref. AMM TASK 26-12-34-400-001).
R R R (1) If the fault continues: - replace the CFDIU (1TW), (Ref. AMM TASK 31-32-34-000-001) and (Ref. AMM TASK 31-32-34-400-001).
(a) If the fault continues: - do a check and repair the wiring from the CFDIU (1TW) to the FDU of the engine 2 (2WD2) from pins AB/14H, 14J to pins A/G,F , (Ref. ASM 31-32/06).
B. Do the test given in Para. 3.B.
Loss of the Bus Output from the FDU of the APU to the CFDIU
1. Possible Causes
_______________
R
- FDU-APU (13WG) R - CFDIU (1TW)
- wiring from CFDIU (1TW) to the FDU of the APU (13WG)
2. Job Set-up Information
______________________
A. Referenced Information
-------------------------------------------------------------------------------REFERENCE DESIGNATION -------------------------------------------------------------------------------
AMM 26-13-34-000-001 Removal of the APU Fire-Detection Unit (FDU) (13WG) AMM 26-13-34-400-001 Installation of the APU Fire-Detection Unit (FDU)
(13WG)
AMM 31-32-00-869-002 Procedure for Class 3 Faults Reading
AMM 31-32-34-000-001 Removal of the CFDIU (1TW)
AMM 31-32-34-400-001 Installation of the CFDIU (1TW)
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本文鏈接地址：A320 Trouble Shooting Manual 排故手冊(cè) 指示和記錄系統(tǒng) 1(7)
