A320 Trouble Shooting Manual 排故手册 STARTING 起动(6)

 - if the electrical check of the three two-probe lead assemblies is not correct, replace the defective thermocouple: . the lower left-hand thermocouple lead assembly (Ref. AMM TASK 77-21-10-000-027) and (Ref. AMM TASK 77-21-10-400-027) or . the lower right-hand thermocouple lead assembly (Ref. AMM TASK 77-21-10-000-029) and (Ref. AMM TASK 77-21-10-400-029) or . the upper left-hand thermocouple lead assembly (Ref. AMM TASK 77-21-10-000-028) and (Ref. AMM TASK 77-21-10-400-028)

 - if the electrical check of the three-probe lead assembly is not correct: . replace three-probe thermocouple lead assembly (Ref. AMM TASK 77-21-10-000-026) and (Ref. AMM TASK 77-21-10-400-026), (Ref. AMM TASK 77-21-10-000-027) and (Ref. AMM TASK 77-21-10-400-027), (Ref. AMM

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 E E TASK 77-21-10-000-028) and (Ref. AMM TASK 77-21-10-400-028), (Ref. AMM TASK 77-21-10-000-029) and (Ref. AMM TASK 77-21-10-400-029).

 - if the electrical check of the upper extension lead is not correct: . replace the upper extension lead (Ref. AMM TASK 77-21-10-000-008) and (Ref. AMM TASK 77-21-10-400-008)

 - if the electrical check of the lower extension lead is not correct: . replace the lower extension lead (Ref. AMM TASK 77-21-10-000-009) and (Ref. AMM TASK 77-21-10-400-009).

 - if the electrical check of the main junction box assembly is not correct: . replace the main junction box assembly (Ref. AMM TASK 77-21-10-000-025) and (Ref. AMM TASK 77-21-10-400-025).

 (6) If the fault continues:

 - replace the ECU (4000KS) (Ref. AMM TASK 73-21-60-000-001) and (Ref. AMM TASK 73-21-60-400-001).

 (7) If the fault continues:

 - replace the FWC-1 (1WW1) or the FWC-2 (1WW2) (Ref. AMM TASK 31-53-34-000-001) and (Ref. AMM TASK 31-53-34-400-001).
 B. Do a minimum idle check to make sure that all engine instruments give the correct indication (Ref. AMM TASK 71-00-00-710-006).
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 TASK 80-00-00-810-833
 Stall of the Engine 1 or 2
 1. Possible Causes
_______________
 - tail wind conditions and/or high altitude airport

 - N2 SNSR

 - PS3

 - VSV

 - T25

 - hydromechanical unit (HMU)

 - ECU (4000KS)

 2. Job Set-up Information
______________________
 A. Referenced Information
 -------------------------------------------------------------------------------REFERENCE DESIGNATION -------------------------------------------------------------------------------
70-00-00-810-801 Engine Failure(s) AMM 71-00-00-710-006 Minimum Idle Check AMM 72-00-00-200-008 Inspection/Check After the Engine has Exceeded the
 Operational Limits AMM 73-21-10-000-002 Removal of the Hydromechanical Unit (HMU) AMM 73-21-10-400-002 Installation of the Hydromechanical Unit (HMU) AMM 73-21-60-000-001 Removal of the Electronic Control Unit (ECU) AMM 73-21-60-400-001 Installation of the Electronic Control Unit (ECU)
R AMM 73-21-60-740-026 Read the CLASS 3 REPORT AMM 73-29-00-710-040 Operational Test of the FADEC on the Ground (with
 Engine Non motoring)
 AMM 75-32-10-210-002 Inspection of the Variable Stator Vane Actuator

 3. Fault Confirmation
__________________
 A. Test
 (1) Not applicable, the confirmation can cause damage to the engine.
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 4. Fault Isolation
_______________
R
 A. This warning is set if a stall condition is detected by the ECU before the engine N2 speed reaches 58 per cent. This warning may be caused by tail wind conditions and/or high altitude airport.
 (1) If this was the case, an engine restart attempt should be carried out in automatic mode.

 (2) If trouble duplicates:

 - do not interrupt the start sequence and leave the ECU authority for 2 additional start attempts (follow ECAM procedure).

 (3) Consider different A/C heading for engine start if possible. If above conditions do not apply: