3. Fault Confirmation
__________________
A. Make sure that this(these) circuit breaker(s) is(are) closed:
-------------------------------------------------------------------------------PANEL DESIGNATION IDENT. LOCATION -------------------------------------------------------------------------------49VU HYD/HYD PWR/B WARN/& CTL 2702GJ C12 49VU SDAC/1 AND 2/28VDC/ESS BUS 12WV F05 49VU SDAC/1/SPLY 3WV F04 49VU SDAC/2/26VAC SYNC/AC ESS BUS 6WV F03 49VU SDAC/1/26VAC SYNC/AC ESS BUS 5WV F02 121VU HYDRAULIC/LOW/LVL/IND 1832GQ N32 121VU HYDRAULIC/HYD/QTY/IND 1831GQ P35 121VU EIS/SDAC/2/SPLY 2WV Q06 121VU EIS/SDAC/2/BUS1/26VAC SYNC AC 10WV Q05 121VU EIS/SDAC/1/BUS1/26VAC SYNC AC 9WV Q04 121VU EIS/SDAC/1/BUS2/26VAC SYNC AC 7WV Q03 121VU EIS/SDAC/2/BUS2/26VAC SYNC AC 8WV Q02
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Feb 01/03R CES
B. Aircraft Maintenance Configuration
(1) Energize the aircraft electrical circuits
(Ref. AMM TASK 24-41-00-861-002).
(2) Do the EIS start procedure (Upper ECAM DU and lower ECAM DU only) (Ref. AMM TASK 31-60-00-860-001).
(3) Look for fault indications on the upper ECAM DU.
4. Fault Isolation
_______________
A. If the Fault Confirmation gives:
-the messages HYD B RSVR LO LVL and HYD B RSVR on the upper ECAM DU:
- Open these circuit breakers:
- 3WV,
- 5WV,
- 7WV and
- 9WV.
(1) If the fault messages go off:
- replace the SDAC-1 (1WV1) (Ref. AMM TASK 31-55-34-000-001) and (Ref. AMM TASK 31-55-34-400-001).
(2) If the fault continues:
(a) Close these circuit breakers:
- 3WV,
- 5WV,
- 7WV and
- 9WV.
(b) Open these circuit breakers:
- 2WV,
- 6WV,
- 8WV and
- 10WV.
(3) If the fault messages go off:
- replace the SDAC-2 (1WV2) (Ref. AMM TASK 31-55-34-000-001) and (Ref. AMM TASK 31-55-34-400-001).
(4) If the fault continues:
- Do the troubleshooting as given in the subsequent references:
- (Ref. TASK 29-12-00-810-803) and
- (Ref. TASK 29-12-00-810-802).
B. Do the fault confirmation procedure as given in Para. 3. to make sure that the operation is correct.
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TASK 29-12-00-810-815
FAULT Light of the BLUE ELEC PUMP P/BSW is ON at the same Time as the FAULT Light of the ENG1 PUMP P/BSW
1. Possible Causes
_______________
- EIU-1 (1KS1)
- RELAY-OIL LOW PRESS AND GROUND, ENG 1 (10KS1)
- RELAY-OIL LOW PRESS AND GROUND, ENG 1 (11KS1)
- SW-LOW OIL PRESS (4000EN)
- wiring
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 73-25-34-000-040 Removal of the Engine Interface Unit (EIU) AMM 73-25-34-400-040 Installation of the Engine Interface Unit (EIU) AMM 73-25-34-710-043 Operational Test of the Engine Interface Unit AMM 79-34-15-000-041 Removal of the Low Oil Pressure Switch (4000EN) AMM 79-34-15-400-041 Installation of the Low Oil Pressure Switch (4000EN) ASM 73-25/08 ASM 73-25/09
3. Fault Confirmation
__________________
A. Make sure that this(these) circuit breaker(s) is(are) closed:
-------------------------------------------------------------------------------PANEL DESIGNATION IDENT. LOCATION -------------------------------------------------------------------------------49VU HYD/HYD PWR/B WARN/& CTL 2702GJ C12 121VU HYDRAULIC/G HYD/PUMP ENG1/MONG 1702GK R34
B. Aircraft Maintenance Configuration
(1) Energize the aircraft electrical circuits
(Ref. AMM TASK 24-41-00-861-002).
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