B. test
(1) Do this test:
-------------------------------------------------------------------------------ACTION RESULT -------------------------------------------------------------------------------
1. On the ELEC panel 35VU: On the ELEC panel 35VU:
- release the GEN 1 and GEN 2 - the OFF legends of the GEN 1 and GEN
pushbutton switches. 2 pushbutton switches come on.
On the upper ECAM display unit:
- the ELEC AC BUS 1 FAULT and the ELEC
AC ESS BUS FAULT warnings come into
view.
4. Fault Isolation_______________
A. Table of the circuit breakers used in this procedure:
-------------------------------------------------------------------------------PANEL DESIGNATION IDENT. LOCATION -------------------------------------------------------------------------------
122VU ELEC/GEN1/OFF/BTC1 SPLY 5XU T28
B. If the test confirms the fault:
- do a check of the status of the circuit breaker (5XU).
(1) If the circuit breaker is closed:
- replace the BTC-1 (11XU1) (Ref. AMM TASK 24-22-55-000-001) and (Ref. AMM TASK 24-22-55-400-002).
(a) If the fault continues: R - do a check and repair the wiring between the pin B/5 of the R BTC1 and the pin A/9C of the GCU1 (Ref. ASM 24-22/02).
R (b) If the fault continues:
R - do a check for 28VDC:
R 1_ If there is no 28VDC at the pin A/D2 of the relay (5XG):
R - replace the RELAY-EPC AUX CTL (5XG).
R a_ if the fault continues:
R - repair the wiring between the C/B-ELEC/GEN1/OFF/BTC1 SPLY
R (5XU) and the pin A/D3 of the relay (5XG) (Ref. ASM 24-R 22/02) and (Ref. ASM 24-23/02).
R 2_ If there is no 28VDC at the pin A/A2 of the relay (4XU1):
R - replace the RELAY-GLC 1 AUX CTL (4XU1).
「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 ∞∞24-50-00∞∞∞∞∞∞∞∞∞∞Page 229
May 01/99 CES
R a_ if the fault continues:
R - repair the wiring between the pin A/D2 of the relay (5XG)
R and the pin A/A3 of the relay (4XU1) (Ref. ASM 24-22/02)
R and (Ref. ASM 24-23/02).
R 3_ If there is no 28VDC at the pin B/6 of the GLC1 (9XU1):
R - replace the GLC-1 (9XU1).
R a_ if the fault continues:
R - repair the wiring between the pin A/A2 of the relay
R (4XU1) and the pin B/8 of the GLC1 (9XU1) (Ref. ASM 24-
22/02).
R 4_ If there is no 28VDC at the pin B/3 of the BTC1 (11XU1):
R - replace the RELAY-BUS TIE (30XU1).
R a_ if the fault continues:
R - do a check and repair the wiring between:
R . the pin B/6 of the GLC1 (9XU1) and the relay (30XU1)
R (Ref. ASM 24-22/02),
R . the relay (30XU1) and the pin B/3 of the BTC1 (11XU1)
R (Ref. ASM 24-22/02).
R
(2) If the circuit breaker is open:
- close it.
(a) If the circuit breaker trips: R - do a check of the wiring for a short to ground between the R circuit breaker (5XU) and the pin B/3 of the BTC1 (Ref. ASM 24-R 22/02) and (Ref. ASM 24-23/02).
1 If the wiring is not correct:
_ - repair it.
2 If the wiring is correct:
_ R - replace the circuit breaker (5XU).
C. Do this test to make sure that the system operates correctly.
-------------------------------------------------------------------------------ACTION RESULT -------------------------------------------------------------------------------
On the ECAM control panel: On the lower ECAM display unit:
- push the ELEC key to get the ELEC - the normal configuration comes into page. view.
「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 ∞∞24-50-00∞∞∞∞∞∞∞∞∞∞Page 230
May 01/99 CES 5. Close-up
________
A. Put the aircraft back to its initial configuration.
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本文链接地址：A320 Trouble Shooting Manual 排故手册 电源 3(128)
