A320 Trouble Shooting Manual 排故手册 电源 2(63)

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R  (b) If there is no short to ground: 
R  - energize the aircraft electrical network from the external 
R  power (Ref. AMM TASK 24-41-00-861-002). 
R  - start the engine 1 only (Ref. AMM TASK 71-00-00-710-043) and 
R  close one by one the circuit breakers until the warning GEN 1 
R  OVERLOAD is shown. Repair the wiring or the component of the 
R  defective circuit. 
R  D. Do this test to make sure that the failure is repaired: 
R  (1) Make sure that the circuit breakers are closed (if the circuit 
R  breakers are not closed, close them). 
R  (2) Energize the aircraft electrical circuit from the external power A 
R  (Ref. AMM TASK 24-41-00-861-002). 
R  (3) On the ELEC panel 35VU, make sure that the ELEC/GALLEY pushbutton 
R  switch is pushed. 
R  (4) Start the engine 1 (Ref. AMM TASK 71-00-00-710-003). 
R  (5) After five minutes, make sure that, on the upper ECAM DU, the warning 
R  GEN 1 OVERLOAD is not shown. 
R  (6) Stop the engine 1 (Ref. AMM TASK 71-00-00-710-028). 
R  5. Close-up________ 
R  A. Put the aircraft back to its initial configuration. 
R  (1) De-energize the aircraft electrical circuits from the external power 
R  (Ref. AMM TASK 24-41-00-862-002).

R TASK 24-20-00-810-919

R  Overload on the Electrical Network of the Generator 2 
R  1. Possible Causes_______________ 
R  - MAIN-GALLEY A/PWR/SPLY (3MC) 
R  - GALLEY D (2MC) 
R  - wiring 
R  2. Job Set-up Information______________________ 
R  A. Referenced Information 
R  -------------------------------------------------------------------------------
R  REFERENCE  DESIGNATION 
R  -------------------------------------------------------------------------------

R  AMM  24-41-00-861-002 
R 
R  AMM  24-41-00-862-002 
R 
R  AMM  71-00-00-710-003 
R  AMM  71-00-00-710-028 
R  AMM  71-00-00-710-043 
R  ASM  24-51/03 

R 3. Fault Confirmation
__________________ R A. Job Set-up
Energize the Aircraft Electrical Circuits from the External Power De-energize the Aircraft Electrical Circuits Supplied from the External Power Engine Automatic Start Engine Shutdown Normal Engine Automatic Start Procedure
R (1) Aircraft Maintenance Configuration

R (a) Energize the aircraft electrical circuits from the external power
R (Ref. AMM TASK 24-41-00-861-002).
R (2) On the ELEC panel 35VU, make sure that the ELEC/GEN 2 pushbutton

R switch (3XU2) is pushed.

R (3) On the ELEC panel 35VU, make sure that the ELEC/GALLEY pushbutton
R switch (2XA) is pushed (the OFF legend is off).
R B. Test
R (1) Start the engine 2 (Ref. AMM TASK 71-00-00-710-003).
R (2) On the upper ECAM DU, the warning GEN 2 OVERLOAD is shown.

 「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 : 401-499, ∞∞24-20-00∞∞∞∞∞∞∞∞∞∞Page B296
 Aug 01/05 CESR 4. Fault Isolation

_______________
R A. Table of the circuit breakers used in this procedure:
R -------------------------------------------------------------------------------R PANEL DESIGNATION IDENT. LOCATION
R -------------------------------------------------------------------------------R 123VU TR2/214XP/SPLY 2PU2 AB04
R 123VU Y HYD/ELEC/ELEC PUMP/NORM 3801GX AB03
R 123VU BUS 2/204XP/SPLY 3XN2 AB02
R 123VU BUS 2/231XP-A/SPLY 5XN2 AB01
R 123VU AC ESS/BUS ON/BUS 2 2XC AC01
R 123VU BUS 2/212XP/SPLY 10XN AD03
R 123VU BUS 2/202XP/SPLY 1XN2 AD02
R 123VU AVNCS VENT/EXTC/FAN 2HQ AE02
R 123VU ANTI ICE/R/WHSLD 1DG2 AF03
R 123VU BUS 2/210XP/SPLY 7XN2 AF02

R B. If the test confirms the fault:
R - in the AC power center panel 123VU, do a check of the circuit breakers
R 3MC and 2MC.

R (1) If the circuit breakers 3MC and/or 2MC are open:
R - replace the MAIN-GALLEY A/PWR/SPLY (3MC) and/or the GALLEY D (2MC).

R (2) If the circuit breakers 3MC and 2MC are closed:
R - on the AC power center panel 123VU, do a check of the status of the
R circuit breakers 5XN2, 3XN2, 7XN2, 1DG2, 2XC, 2HQ, 1XN2, 2PU2, 10XN
R and 3801GX.

R (a) If one or more circuit breaker(s) is(are) open:
R - do a check of the loads downstream of the open circuit
　
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