E. Do this test:
-------------------------------------------------------------------------------ACTION RESULT -------------------------------------------------------------------------------
1. On the panel 115VU, set the The upper display unit of the ECAM
ENG/MODE/CRANK/AUTO IGN/IGN system does not show XX but shows
selector switch to IGN START. engine parameters:
- N1 = 0
- N2 = 0
- FF = 0
- EGT = ambient temperature
4. Fault Isolation
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A. If the test is confirmed:
(1) Do a check and repair the wiring between the FADEC GND PWR pushbutton switch (7KS1) and the EIU 1 (1KS1), (Ref. ASM 73-25/08).
(2) If the fault continues:
- replace the P/BSW-ENG/FADEC GND PWR/1 (7KS1).
B. Do the functional test of the ECU (Ref. AMM TASK 73-21-60-720-040).
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A. Put the aircraft back to its initial configuration.
(1) Do the EIS stop procedure (Ref. AMM TASK 31-60-00-860-002).
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TASK 73-29-00-810-807
All engine 2 parameters are XX on the upper ECAM DU on the ground with the
FADEC GND PWR pushbutton switch set to ON.
1. Possible Causes
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- wiring between the FADEC GND PWR pushbutton switch (7KS2) and the EIU 2 (1KS2)
- P/BSW-ENG/FADEC GND PWR/ 2 (7KS2)
2. Job Set-up Information
______________________
A. Fixtures, Tools, Test and Support Equipment
-------------------------------------------------------------------------------REFERENCE QTY DESIGNATION -------------------------------------------------------------------------------
No specific circuit breaker(s) safety clip(s)
B. Referenced Information
-------------------------------------------------------------------------------REFERENCE DESIGNATION -------------------------------------------------------------------------------
AMM 31-60-00-860-001 EIS Start Procedure AMM 31-60-00-860-002 EIS Stop Procedure AMM 73-21-60-720-040 Functional Test of the Electronic Control Unit (ECU) ASM 73-25/08
3. Fault Confirmation
__________________
A. Make sure that this(these) circuit breaker(s) is(are) closed:
-------------------------------------------------------------------------------PANEL DESIGNATION IDENT. LOCATION -------------------------------------------------------------------------------49VU ENGINE/2/FADEC A/AND EIU 2 2KS2 A05 49VU ENGINE/1 AND 2/IGN/SYS A 1JH A03 121VU ENGINE/IGN/ENG2/SYS B 3JH2 P42 121VU ENGINE/IGN/ENG2/SYS A BAT 2JH2 P40 121VU ENGINE/ENG2/FADEC B 4KS2 Q40
B. Aircraft Maintenance Configuration
NOTE : If the circuit breakers 2KS2, 4KS2 are opened, stop for 5 minutes
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before you start the procedure.
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C. Open, safety and tag this(these) circuit breaker(s):
-------------------------------------------------------------------------------PANEL DESIGNATION IDENT. LOCATION -------------------------------------------------------------------------------121VU ENGINE/ENG1 AND 2 FIRE EXTIG/BTL1/SQUIB/B 2WE1 Q44 121VU ENGINE/ENG1 AND 2 FIRE EXTIG/BTL1/SQUIB/A 1WE1 Q43 121VU ENGINE/ENG1 AND 2 FIRE EXTIG/BTL2/SQUIB/B 2WE2 Q42 121VU ENGINE/ENG1 AND 2 FIRE EXTIG/BTL2/SQUIB/A 1WE2 Q41
D. Job Set-Up
(1) On the panel 115VU, make sure that:
(a) The ENG/MODE/CRANK/AUTO IGN/IGN selector switch is set to NORM.
(b) The ENG MASTER 2 switch is set to OFF.
(2) On the panel 22VU, make sure that the ENG/MAN START/2 pushbutton switch is released.
(3) Do the EIS start procedure (Ref. AMM TASK 31-60-00-860-001).
E. Do this test:
-------------------------------------------------------------------------------ACTION RESULT -------------------------------------------------------------------------------
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本文链接地址：A320 Trouble Shooting Manual 排故手册 发动机燃油和控制 2(88)
