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Loss of the T25 Sensor Signal through the two Channels on Engine 2
1. Possible Causes
_______________
2. Job Set-up Information
______________________
A. Referenced Information
-------------------------------------------------------------------------------REFERENCE DESIGNATION -------------------------------------------------------------------------------
73-20-00-810-854 Loss of the T25 Sensor Signal through the Channel A on Engine 2 73-20-00-810-856 Loss of the T25 Sensor Signal through the Channel B on Engine 2 AMM 73-29-00-710-040 Operational Test of the FADEC on the ground (with Engine Motoring)
3. Fault Confirmation
__________________
A. Test
(1) Do the operational test of the FADEC 2A and 2B on the ground (with engine motoring) (Ref. AMM TASK 73-29-00-710-040).
4. Fault Isolation
_______________
A. If the test gives the maintenance messages T25 SNSR, J11, ECU and T25 SNSR, J12, ECU:
- do the following troubleshooting procedures (Ref. TASK 73-20-00-810-854) and (Ref. TASK 73-20-00-810-856).
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TASK 73-20-00-810-927
Failure of the Control of the Solenoid 1 of the Fuel Return Valve through the two Channels on Engine 1
1. Possible Causes
_______________
2. Job Set-up Information
______________________
A. Referenced Information
-------------------------------------------------------------------------------REFERENCE DESIGNATION -------------------------------------------------------------------------------
73-20-00-810-905 Failure of the Control of the Solenoid 1 of the Fuel Return Valve on Channel A, Engine 1 73-20-00-810-907 Failure of the Control of the Solenoid 1 of the Fuel Return Valve on Channel B, Engine 1 AMM 73-29-00-710-040 Operational Test of the FADEC on the ground (with Engine Motoring)
3. Fault Confirmation
__________________
A. Test
(1) Do the operational test of the FADEC 1A and 1B on the ground (with engine motoring) (Ref. AMM TASK 73-29-00-710-040).
4. Fault Isolation
_______________
A. If the test gives the maintenance messages J7, FRV (SOL 1), ECU and J8, FRV (SOL 1), ECU:
- do the following troubleshooting procedures (Ref. TASK 73-20-00-810-905) and (Ref. TASK 73-20-00-810-907).
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Failure of the Control of the Solenoid 1 of the Fuel Return Valve through the two Channels on Engine 2
1. Possible Causes
_______________
2. Job Set-up Information
______________________
A. Referenced Information
-------------------------------------------------------------------------------REFERENCE DESIGNATION -------------------------------------------------------------------------------
73-20-00-810-906 Failure of the Control of the Solenoid 1 of the Fuel Return Valve on Channel A, Engine 2 73-20-00-810-908 Failure of the Control of the Solenoid 1 of the Fuel Return Valve on Channel B, Engine 2 AMM 73-29-00-710-040 Operational Test of the FADEC on the ground (with Engine Motoring)
3. Fault Confirmation
__________________
A. Test
(1) Do the operational test of the FADEC 2A and 2B on the ground (with engine motoring) (Ref. AMM TASK 73-29-00-710-040).
4. Fault Isolation
_______________
A. If the test gives the maintenance messages J7, FRV (SOL 1), ECU and J8, FRV (SOL 1), ECU:
- do the following troubleshooting procedures (Ref. TASK 73-20-00-810-906) and (Ref. TASK 73-20-00-810-908).
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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 1(120)
