(7) If the fault continues:
- do a check of the RELAY-RAM AIR CLOSE CTL (3HZ) and replace it if necessary (Ref. ASM 21-51/02).
(8) If the fault continues:
- do a check of the RELAY-ENGINE 1 START (17HB) and replace it if necessary (Ref. ASM 21-51/02).
「一一一一一一一一一一一一一一一一一一一一一一一一一一一一一一一一一一一一一一一一一一一一一一一1 EFF : ALL ∞∞21-51-00∞∞∞∞∞∞∞∞∞∞Page 216
Aug 01/05 CES (9) 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).
E. If the fault continues:
- do a check and repair the wiring (Ref. ASM 21-51/01) between:
- the FCU2 (22HB) and ACSC2 (57HH),
- the FCU2 (22HB) and ground,
- the RELAY (12HB) and the FCU2 (22HB),
- the RELAY (12HB) and the ACSC2 (57HH),
- the RELAY (14HB) and the FCU2 (22HB) and,
- the RELAY (14HB) and the ACSC2 (57HH).
**ON A/C ALL
F. Do the test as given in the Para. 3.A.
5. Close-up
________
A. Put the aircraft back to its initial configuration.
「一一一一一一一一一一一一一一一一一一一一一一一一一一一一一一一一一一一一一一一一一一一一一一一1 EFF : ALL ∞∞21-51-00∞∞∞∞∞∞∞∞∞∞Page 217
Aug 01/05R
CES
TASK 21-51-00-810-805
Pack 1 Flow Sensor Fault
1. Possible Causes
_______________
- SENSOR-PRESSURE (10HB)
- CONTROLLER-PACK 1 TEMP (7HH) R - SENSOR-DELTA P, PACK 1 (23HB2) R - CONT-AIR COND SYSTEM 2 (57HH)
- wiring
- pressure sense line
2. Job Set-up Information
______________________
A. Referenced Information
-------------------------------------------------------------------------------
REFERENCE DESIGNATION
-------------------------------------------------------------------------------
AMM 21-51-11-000-001
R AMM 21-51-11-000-001 R
AMM 21-51-11-400-001
R AMM 21-51-11-400-001 R R AMM 21-51-51-000-001 R AMM 21-51-51-400-001
AMM 21-61-00-710-001
AMM 21-61-34-000-001 R AMM 21-61-34-000-002 R
AMM 21-61-34-400-001 R AMM 21-61-34-400-002 R
ASM 21-51/01
3. Fault Confirmation
__________________Removal of the Differential Pressure Sensor 9HB (10HB) Removal of the Differential Pressure Sensor 23HB2 (24HB2)Installation of the Differential Pressure Sensor 9HB (10HB) Installation of the Differential Pressure Sensor 23HB2 (24HB2) Removal of the Pack Flow-Control Valve Installation of the Pack Flow-Control ValveOperational Test of the Pack Temperature-Control SystemRemoval of the Pack Controller (7HH, 27HH) Removal of the Air-Conditioning System Controller (47HH, 57HH)Installation of the Pack Controller (7HH, 27HH) Installation of the Air-Conditioning System Controller (47HH, 57HH)
A. Do the operational test of the pack temperature-control system (Ref. AMM TASK 21-61-00-710-001).
4. Fault Isolation
_______________
R **ON A/C 001-049, 051-099, 101-149, 151-199, 201-299, 301-399,
A. If the test gives the maintenance message P1 FLOW SENSOR:
- replace the SENSOR-PRESSURE (10HB) (Ref. AMM TASK 21-51-11-000-001) and (Ref. AMM TASK 21-51-11-400-001).
(1) If the fault continues:
- replace the CONTROLLER-PACK 1 TEMP (7HH) (Ref. AMM TASK 21-61-34-000-001) and (Ref. AMM TASK 21-61-34-400-001).
(2) If the fault continues:
- do a check and repair the wiring if necessary between: CONNECTOR (7558VC) pin A/A and PC 1 (7HH) connector AB/9C, CONNECTOR (7558VC) pin A/D and PC 1 (7HH) connector AB/10C, CONNECTOR (7558VC) pin A/C and PC 1 (7HH) connector AB/10B, CONNECTOR (7558VC) pin A/B and PC 1 (7HH) connector AB/9D (Ref. ASM 21-51/01).
(3) If the fault continues:
- do a check of the pressure sense line between the SENSOR (10HB) and the FCV (11HB) for contamination and clean it if necessary (Ref. AMM TASK 21-51-11-000-001), (Ref. AMM TASK 21-51-11-400-001), (Ref. AMM TASK 21-51-51-000-001) and (Ref. AMM TASK 21-51-51-400-001).
R **ON A/C 401-499,
A. If the test gives the maintenance message,
P1 FLOW SENSOR(23HB2):
- replace the SENSOR-DELTA P, PACK 1 (23HB2) (Ref. AMM TASK 21-51-11-000-001) and (Ref. AMM TASK 21-51-11-400-001).
(1) 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).
(2) If the fault continues:
- do a check and repair the wiring (Ref. ASM 21-51/01) from:
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本文链接地址：A320 Trouble Shooting Manual 排故手册 AIR CONDITIONING 空调1(134)
