(b) Do the EIS start procedure (Upper ECAM DU and lower ECAM DU only) (Ref. AMM TASK 31-60-00-860-001).
(c) On the MCDU, get the ELEC menu on the SYSTEM REPORT/TEST page.
B. Test
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1. On the ECAM control panel: - push the ELEC key to get the ELEC page. On the upper ECAM display unit:- the ELEC DC BUS 1+2 FAULT and ELEC DCBAT BUS FAULT warnings come into view.
On the lower ECAM display unit: - the amber DC 1 and DC 2 indications
come into view
- the DC ESS BUS is supplied by the ESS TR.
2. On the MCDU, ELEC page: - push the line key adjacent to the TR1 indication. On the MCDU:- the TR1 page comes into view.
3. On the MCDU: On the MCDU:
- push the line key adjacent to the RESET indication. - if the NO FAULT indication comes intoview, stop the trouble shooting - if the TR1 indication comes into
view, do again the steps 2 and 3 to reset the TR2
- if, on the MCDU, TR2 page, the TR2 indication comes into view, do the trouble shooting given in Para. 4.
4. Fault Isolation_______________
A. If the test confirms the fault:
- replace the TR-1 (1PU1) and TR-2 (1PU2) (Ref. AMM TASK 24-32-51-000-001) and (Ref. AMM TASK 24-32-51-400-001).
(1) If the fault continues:
- do a check for a short to ground and repair the wiring between: . the TR1 SPLY circuit breaker (2PU1) and the pins A/A, A/B, A/C of the TR1 (1PU1) . the 28VDC outlet of the TR1 and the pin A/F of the contactor (5PU1) . the pins A/G and B/5 of the contactor (5PU1) (Ref. ASM 24-32/02) . the TR2 SPLY circuit breaker (2PU2) and the pins A/A, A/B, A/C of the TR2 (1PU2) . the 28VDC outlet of the TR2 and the pin A/F of the contactor (5PU2) . the pin 12 of the contactor (14XX) and the pin B/3 of the contactor (14PU) . the pins A/G and B/3 of the contactor (5PU2) (Ref. ASM 24-32/01).
「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 ∞∞24-60-00∞∞∞∞∞∞∞∞∞∞Page 204
Feb 01/98 CES B. Do this test to make sure that the system operates correctly:
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1. On the ECAM control panel: On the lower ECAM display unit:
- push the ELEC key to get the - the normal configuration comes into ELEC page. view.
5. Close-up
________
A. Put the aircraft back to its initial configuration.
(1) On the ECAM control panel, set the UPPER DISPLAY and LOWER DISPLAY potentiometers to OFF.
(2) De-energize the aircraft electrical circuits
(Ref. AMM TASK 24-41-00-862-002).
TASK 24-60-00-810-804
Failure of the DC BUS TIE (Loss of the Connection between the DC BAT Bus and
the DC 2 Bus)
1. Possible Causes
_______________
- CNTOR-DC NORM BUS 2 SWITCHING (1PC2)
- wiring
2. Job Set-up Information
______________________
A. Referenced Information
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REFERENCE DESIGNATION
-------------------------------------------------------------------------------
AMM 24-32-00-710-001 Operational Test of the DC Generation Switching
AMM 24-35-55-000-001 Removal of the Contactor (1PC1, 1PC2)
AMM 24-35-55-400-001 Installation of the Contactor (1PC1, 1PC2)
ASM 24-35/02
3. Fault Confirmation
__________________
A. Test Do the operational test of the DC generation switching (Ref. AMM TASK 24-32-00-710-001).
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