- replace the BOARD-ANN LT TEST & INTFC (10LP) (Ref. AMM TASK 33-14-33-000-001) and (Ref. AMM TASK 33-14-33-400-001).
(a) If the fault continues:
- replace the 22XU1 (Ref. AMM TASK 24-22-33-000-001) and (Ref. AMM TASK 24-22-33-400-002).
(b) If the fault continues:
- replace the RELAY (21XG).
(c) If the fault continues:
- do a check and repair the wiring from the EGIU1 (22XU1) to the relay (21XG) (Ref. ASM 24-41/01).
(2) If the AVAIL legend of the ELEC/EXT PWR pushbutton switch stays off:
- replace the LAMP of the AVAIL legend of the ELEC/EXT PWR pushbutton switch.
(a) If the fault continues:
- replace the P/BSW-ELEC/EXT PWR (10XG).
(b) If the fault continues:
- replace the BOARD-ANN LT TEST & INTFC (10LP) (Ref. AMM TASK 33-14-33-000-001) and (Ref. AMM TASK 33-14-33-400-001).
「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 ∞∞24-40-00∞∞∞∞∞∞∞∞∞∞Page 212
Aug 01/05 CES (c) If the fault continues:
- do a check and repair the wiring . between the pin A/7 of the ELEC/EXT PWR pushbutton switch and the relay (21XG) pin A/A2. . between the pin A/8 of the ELEC/EXT PWR pushbutton switch and the pin A/10 of the ANN LT TEST & INTFC board (Ref. ASM 24-41/01).
R **ON A/C 401-499,
R A. If the test confirms the fault:
R - do the operational test of the annunciator-light test system (Ref. AMM
R TASK 33-14-00-710-001).
R (1) If the AVAIL legend of the ELEC/EXT PWR pushbutton switch (10XG)
R comes on:
R - replace the BOARD-ANN LT TEST & INTFC (10LP) (Ref. AMM TASK 33-14-R 33-000-001) and (Ref. AMM TASK 33-14-33-400-001).
R (a) If the fault continues:
R - replace the GAPCU (24XG) (Ref. AMM TASK 24-41-34-000-001) and
R (Ref. AMM TASK 24-41-34-400-001).
R (b) If the fault continues:
R - replace the RELAY (21XG).
R (c) If the fault continues:
R - do a check and repair the wiring between the pin AB/3C of the
R GAPCU (24XG) and the pin A/A3 of the relay (21XG) (Ref. ASM 24-R 41/01).
R (2) If the AVAIL legend of the ELEC/EXT PWR pushbutton switch (10XG)
R stays off:
R - replace the LAMP of the AVAIL legend of the ELEC/EXT PWR pushbutton
R switch.
R (a) If the fault continues:
R - replace the P/BSW-ELEC/EXT PWR (10XG).
R (b) If the fault continues:
R - replace the BOARD-ANN LT TEST & INTFC (10LP) (Ref. AMM TASK 33-R 14-33-000-001) and (Ref. AMM TASK 33-14-33-400-001).
R (c) If the fault continues:
R - do a check and repair the wiring between:
R . the pin A/7 of the ELEC/EXT PWR pushbutton switch and the pin R A/A2 of the relay (21XG)
R . the pin A/8 of the ELEC/EXT PWR pushbutton switch and the pin R A/10 of the ANN LT TEST & INTFC board (Ref. ASM 24-41/01).
「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 ∞∞24-40-00∞∞∞∞∞∞∞∞∞∞Page 213
Aug 01/05 CES
R **ON A/C ALL
B. Do this test to make sure that the system operates correctly.
(1) Do this test given in Para. 3. and make sure that: - on the panel 108VU, the EXT PWR/NOT IN USE indicator light and EXT PWR/AVAIL caution light come on.
- on the panel 35VU, the AVAIL legend of the EXT PWR pushbutton switch comes on.
(2) De-energize the aircraft electrical circuits from the external power (Ref. AMM TASK 24-41-00-862-002).
R **ON A/C 001-049, 051-099, 101-149, 151-199, 201-299, 301-399,
TASK 24-40-00-810-807
The ON legend of the ELEC/EXT Pushbutton Switch Stays off when the EXT PWR Energizes the Aircraft
1. Possible Causes
_______________
- EPC (3XG)
- wiring
- LAMP
- P/BSW-ELEC/EXT PWR (10XG)
2. Job Set-up Information
______________________
A. Referenced Information
-------------------------------------------------------------------------------REFERENCE DESIGNATION -------------------------------------------------------------------------------
AMM 24-41-00-861-002 Energize the Aircraft Electrical Circuits from the External Power AMM 24-41-00-862-002 De-energize the Aircraft Electrical Circuits Supplied
from the External Power AMM 24-41-55-000-001 Removal of the External Power Contactor (EPC) AMM 24-41-55-400-001 Installation of the External Power Contactor (EPC) AMM 33-14-00-710-001 Operational Test of the Annunciator Light Test System
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 电源 3(87)
