R B. If the test confirms the fault:
R - replace the GCU-2 (1XU2) (Ref. AMM TASK 24-22-34-000-001) and (Ref. AMM
R TASK 24-22-34-400-001).
R (1) If the fault continues:
R - replace the engine 2 IDG (4000XU) (Ref. AMM TASK 24-21-51-000-040)
R and (Ref. AMM TASK 24-21-51-400-040).
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R (2) If the fault continues:
R - do a check and repair the wiring between the pins A/9, A/10 of the
R engine 2 IDG (4000XU) and the pins C/12, C/13 of the GCU 2 (1XU2)
R (Ref. ASM 24-22/01).
R **ON A/C 001-049, 051-099, 101-149, 151-199, 201-299, 301-399,
C. If the test confirms the fault:
- replace the EGIU-2 (22XU2) (Ref. AMM TASK 24-22-33-000-001) and (Ref. AMM TASK 24-22-33-400-002).
(1) If the fault continues:
- do a check of the wiring between: .the pin A/2B of the GCU2 (1XU2) and the pin A/7D of the EGIU2 (22XU2) .the pin A/2C of the GCU2 (1XU2) and the pin A/7C of the EGIU2 (22XU2). Then make sure that the ground wire is correctly connected to the pin A/6C of the EGIU2 (22XU2) (Ref. ASM 24-22/02).
(2) If the fault continues:
- replace the GCU-2 (1XU2) (Ref. AMM TASK 24-22-34-000-001) and (Ref. AMM TASK 24-22-34-400-001)
D. If the test confirms the fault:
- do a check and repair the wiring (Ref. ASM 31-54/03) between: . the pin A/1A of the EGIU2 (22XU2) and the pin B/10G of the SDAC1 (1WV1) . the pin A/1B of the EGIU2 (22XU2) and the pin B/10H of the SDAC1 (1WV1) . the pin A/1C of the EGIU2 (22XU2) and the pin B/10G of the SDAC2 (1WV2) . the pin A/1D of the EGIU2 (22XU2) and the pin B/10H of the SDAC2 (1WV2)
R **ON A/C 401-499,
R C. If the test confirms the fault:
R - replace the GCU-2 (1XU2) (Ref. AMM TASK 24-22-34-000-001) and (Ref. AMM
R TASK 24-22-34-400-001).
R D. If the test confirms the fault:
R - do a check and repair the wiring (Ref. ASM 31-54/03) between:
R . the pin A/8F of the GCU 2 (1XU2) and the pin E/10C of the SDAC 1 R (1WV1)
R . the pin A/7F of the GCU 2 (1XU2) and the pin E/10D of the SDAC 1 R (1WV1)
R . the pin A/8J of the GCU 2 (1XU2) and the pin E/10C of the SDAC 2 R (1WV2)
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R R . the pin A/8H of the GCU 2 (1XU2) and the pin E/10D of the SDAC 2 (1WV2).
R **ON A/C ALL
E. Do this test to make sure that the system operates correctly:
-------------------------------------------------------------------------------ACTION RESULT -------------------------------------------------------------------------------
On the ECAM control panel: - push the ELEC key to get the ELEC page. On the lower ECAM DU:- the ELEC page comes into view.In the GEN 2 box: - the normal electrical parameters come into view.
5. Close-up________
A. Put the aircraft back to its initial configuration.
(1) Do the EIS stop procedure (Ref. AMM TASK 31-60-00-860-002).
(2) De-energize the aircraft electrical circuits (Ref. AMM TASK 24-41-00-862-002).
TASK 24-22-00-810-808
APU GEN Voltage, Frequency and Load Indication Lost or Incorrect
1. Possible Causes
_______________
- EGIU-2 (22XU2)
- GEN-APU (8XS)
- GCU-APU (1XS) R - GAPCU (24XG)
- wiring
- C/B APU GEN/EGIU2/115VAC (23XS)
2. Job Set-up Information
______________________
A. Referenced Information
-------------------------------------------------------------------------------REFERENCE DESIGNATION
-------------------------------------------------------------------------------
AMM 24-22-33-000-001 Removal of the EGIU-1(2) (22XU1, 22XU2)
AMM 24-22-33-400-002 Installation of the EGIU-1(2) (22XU1, 22XU2)
AMM 24-23-34-000-001 Removal of the GCU-APU (1XS)
AMM 24-23-34-400-001 Installation of the GCU-APU (1XS)
AMM 24-23-51-000-001 Removal of the APU Generator 8XS
AMM 24-23-51-400-001 Installation of the APU Generator 8XS
AMM 24-41-00-861-002 Energize the Aircraft Electrical Circuits from the
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本文鏈接地址：A320 Trouble Shooting Manual 排故手冊(cè) 電源 2(137)
