- replace the SENSOR-PRESS, PACK 1 INLET (23HB1) (Ref. AMM TASK 21-61-16-000-001) and (Ref. AMM TASK 21-61-16-400-002).
(2) If the fault continues:
- replace the CONT-AIR COND SYSTEM 1 (47HH) (Ref. AMM TASK 21-61-34-000-002) and (Ref. AMM TASK 21-61-34-400-002).
(3) If the fault continues:
- do a check and repair the wiring (Ref. ASM 21-61/01) from:
- the FLOW SENSOR (23HB2) to the ACSC1 (47HH) and,
- the PRESSURE SENSOR (23HB1) to the ACSC1 (47HH).
B. Do the test as given in the Para. 3.A.
TASK 21-51-00-810-818
Pack 2 Flow Sensor / Inlet Pressure Sensor Fault
1. Possible Causes_______________
- SENSOR-DELTA P, PACK 2 (24HB2)
- SENSOR-PRESS, PACK 2 INLET (24HB1)
- CONT-AIR COND SYSTEM 2 (57HH)
- wiring
2. Job Set-up Information______________________
A. Referenced Information
-------------------------------------------------------------------------------
REFERENCE DESIGNATION
-------------------------------------------------------------------------------
AMM 21-51-11-000-001 Removal of the Differential Pressure Sensor 9HB (10HB)
AMM 21-51-11-400-001 Installation of the Differential Pressure Sensor 9HB (10HB)
AMM 21-61-00-710-001 Operational Test of the Pack Temperature-Control System
AMM 21-61-16-000-001 Removal of the Pack-Inlet Pressure Sensor 16HH (36HH)
AMM 21-61-16-400-002 Installation of the Pack-Inlet Pressure Sensor 16HH (36HH)
AMM 21-61-34-000-002 Removal of the Air-Conditioning System Controller (47HH, 57HH)
AMM 21-61-34-400-002 Installation of the Air-Conditioning System Controller (47HH, 57HH)
ASM 21-61/02
3. Fault Confirmation__________________
A. Do the operational test of the pack temperature-control system (Ref. AMM TASK 21-61-00-710-001).
NOTE : If a fault is detected, the ACSC2 gives a fault code for shop
____ maintenance in addition to the related CFDS message(s) (refer to TSM chapter 21-63-00, page block 301).
4. Fault Isolation
_______________
A. If the test gives the maintenance message P2 FLOW SENSOR(24HB2)/PIPS(24HB1):
- replace the SENSOR-DELTA P, PACK 2 (24HB2) (Ref. AMM TASK 21-51-11-000-001) and (Ref. AMM TASK 21-51-11-400-001).
(1) If the fault continues:
- replace the SENSOR-PRESS, PACK 2 INLET (24HB1) (Ref. AMM TASK 21-61-16-000-001) and (Ref. AMM TASK 21-61-16-400-002).
(2) If the fault continues:
- replace the CONT-AIR COND SYSTEM 2 (57HH) (Ref. AMM TASK 21-61-34-000-002) and (Ref. AMM TASK 21-61-34-400-002).
(3) If the fault continues:
- do a check and repair the wiring (Ref. ASM 21-61/02) from:
- the FLOW SENSOR (24HB2) to the ACSC2 (57HH) and,
- the PRESSURE SENSOR (24HB2) to the ACSC2 (57HH).
B. Do the test as given in the Para. 3.A.
**ON A/C ALL
TASK 21-51-00-810-819 Crossbleed Relay Fault
1. Possible Causes
_______________
- RELAY 7HV
- wiring
2. Job Set-up Information
______________________
A. Referenced Information
-------------------------------------------------------------------------------REFERENCE DESIGNATION -------------------------------------------------------------------------------
AMM 31-60-00-860-001 EIS Start Procedure AMM 31-60-00-860-002 EIS Stop Procedure AMM 71-00-00-710-003 Engine Automatic Start AMM 71-00-00-710-028 Engine Shutdown ASM 21-51/02
3. Fault Confirmation
__________________
A. Aircraft Maintenance Configuration
(1) Do the EIS start procedure (Upper ECAM DU and lower ECAM DU only) (Ref. AMM TASK 31-60-00-860-001).
(2) Make sure that: - on the ECAM lower display unit the BLEED page shows, - on the AIR COND panel 30VU make sure that the PACK 1 and the PACK 2
pushbutton switches are in the OFF position (the FAULT and the OFF legends are off).
B. Start the engines (Ref. AMM TASK 71-00-00-710-003).
4. Fault Isolation
_______________
A. If 30 sec after engine start on the BLEED page a flow control valve opens:
- stop the engines (Ref. AMM TASK 71-00-00-710-028),
- replace the RELAY 7HV.
(1) If the fault continues:
- do a check and repair the wiring (Ref. ASM 21-51/02) between
- the RELAY (7HV) and RELAY (16HB), 中国航空网 www.aero.cn 航空翻译 www.aviation.cn 本文链接地址：A320 Trouble Shooting Manual 排故手册 AIR CONDITIONING 空调2(8)
