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 1 switch is set to OFF.
(2) On the panel 22VU, make sure that the ENG/MAN START/1 pushbutton switch is released.
(3) Do the EIS start procedure (Ref. AMM TASK 31-60-00-860-001).
E. Test
(1) On the panel 50VU, release the ENG/FADEC GND PWR/1 pushbutton switch (ON legend on).
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A. If the test does not show XX on the upper ECAM DU, but shows engine 1 parameters:
(1) Do a check and repair the wiring between the ENG/MODE/CRANK/AUTO IGN/IGN selector switch (6KS) and the EIU 1 (1KS1), (Ref. ASM 73-25/08).
(2) If the fault continues:
- replace the SEL SW-ENG/MODE/CRANK/AUTO IGN/IGN (6KS).
(3) If the fault continues:
- replace the EIU-1 (1KS1), (Ref. AMM TASK 73-25-34-000-040) and (Ref. AMM TASK 73-25-34-400-040).
B. If the test does not show engine 1 parameters on the upper ECAM DU, but shows XX:
(1) Make sure that there is 28VDC at the pin 9 of the connector 1KS1-AC (Ref. ASM 73-25/05).
(a) If there is no 28VDC:
- do a check and repair the wiring between the circuit breaker 4KS1 and the EIU 1 (1KS1).
(b) If there is 28VDC:
- do a check and repair the wiring between the pin 2 of the connector 1KS1-AC and the pin 13 of the connector 4000KS-J2.
(2) If the fault continues:
- make sure that there is 28VDC at the pin 11 of the connector 1KS1-AC (Ref. ASM 73-25/05).
(a) If there is no 28VDC:
- do a check and repair the wiring between the circuit breaker 2KS1 and the EIU 1 (1KS1).
(b) If there is 28VDC:
- do a check and repair the wiring between the pin 7 of the connector 1KS1-AC and the pin 13 of the connector 4000KS-J4.
(3) If the fault continues:
- replace the EIU-1 (1KS1), (Ref. AMM TASK 73-25-34-000-040) and (Ref. AMM TASK 73-25-34-400-040).
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C. Test
(1) Do the operational test of the Engine Interface Unit (Ref. AMM TASK 73-25-34-710-043).
(2) Make sure that all engine 1 parameters are shown on the upper ECAM DU when you start the engine again (Ref. AMM TASK 71-00-00-710-003) or (Ref. AMM TASK 71-00-00-710-004).
5. Close-up________
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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All engine 2 parameters are XX on the upper ECAM DU on ground at starting.
1. Possible Causes
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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(84)
