(2) If the fault continues:
- do a check of the PUSHBUTTON SWITCH-AIR COND/PACK 1 (7HB) and replace it if necessary (Ref. ASM 21-51/02).
(3) If the fault continues:
- do a check of the BOARD-ANN LT TEST & INTFC (8LP) and replace it if necessary (Ref. ASM 21-51/02).
(4) 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).
(5) If the fault continues:
- do a check and repair the wiring between: RELAY (8LP) connector A/30 and SW (7HB) connector A/7, RELAY (8LP) connector A/41 and GND, RELAY (8LP) connector A/27 and PC 1 (7HH) connector AB/7A RELAY (8LP) connector A/27 and RELAY (15HB) connector B/A2, RELAY (8LP) connector A/29 and CB (1HB) (Ref. ASM 21-51/02).
R **ON A/C 401-499,
D. If the test gives the maintenance message TEST OK, but the FAULT legend on the pushbutton switch AIR COND/PACK 1, which is installed on the panel 30VU, comes on:
- do the operational test of the annunciator light test system (Ref. AMM TASK 33-14-00-710-001).
(1) If the test gives a different maintenance message refer to the Fault Symptom List.
(2) If the fault continues:
- do a check of the PUSHBUTTON SWITCH-AIR COND/PACK 1 (7HB) and replace it if necessary (Ref. ASM 21-51/02).
(3) If the fault continues:
- do a check of the BOARD-ANN LT TEST & INTFC (8LP) 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 ∞∞21-61-00∞∞∞∞∞∞∞∞∞∞Page 226
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(4) 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).
(5) If the fault continues:
- do a check and repair the wiring (Ref. ASM 2151S02) from:
- the RELAY (8LP)A pin 30 and the SW (7HB)A pin 7,
- the RELAY (8LP)A pin 41 and ground,
- the RELAY (8LP)A pin 27 and the ACSC1 (47HH),
- the RELAY (8LP)A pin 27 and the RELAY (15HB)B pin A2 and,
- the RELAY (8LP)A pin 29 and the CB (1HB).
**ON A/C ALL
E. 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 ∞∞21-61-00∞∞∞∞∞∞∞∞∞∞Page 227
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CES
TASK 21-61-00-810-804
Pack 2 Fault
1. Possible Causes
_______________
- VALVE-FLOW CTL (8HB) R - FLOW CTL SYSTEM - PACK 2 (24HB)
- SENSOR-PRESSURE (9HB) R - SENSOR-PRESS, PACK 2 INLET (24HB1)
- BOARD-ANN LT TEST & INTFC (20LP)
- CONTROLLER-PACK 2 TEMP (27HH) R - CONT-AIR COND SYSTEM 2 (57HH)
- pressure sense line
- SENSOR-COMPRESSOR PNEUMATIC OVERHEAT (11HM9)
- SENSOR-COMPRESSOR TEMPERATURE (32HH)
- SENSOR-COMPRESSOR OVERHEAT (35HH)
- PUSHBUTTON SWITCH-AIR COND/PACK 2 (6HB)
- wiring
2. Job Set-up Information
______________________
A. Referenced Information
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REFERENCE DESIGNATION
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21-51-00-810-804 Pack 2 Flow Control Valve (Pack 2 Flow Control Unit) Fault
R ASM 2151S02 AMM 12-33-21-618-001 Pre-conditioning through the HP Ground Connection AMM 21-51-00-200-001 Delta P Sense Lines Torque Check and Inspection 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)
R AMM 21-51-51-000-001 Removal of the Pack Flow-Control Valve
R AMM 21-51-51-400-001 Installation of the Pack Flow-Control Valve AMM 21-61-00-710-001 Operational Test of the Pack Temperature-Control System AMM 21-61-11-000-001 Removal of the Compressor Outlet - Temperature Sensor 12HH (32HH) AMM 21-61-11-400-001 Installation of the Compressor Outlet - Temperature Sensor 12HH (32HH) AMM 21-61-12-000-001 Removal of the Compressor Overheat - Temperature Sensor 15HH (35HH) AMM 21-61-12-400-001 Installation of the Compressor Overheat - Temperature Sensor 15HH (35HH) AMM 21-61-18-000-001 Removal of the Compressor Pneumatic Overheat-Sensor 10HM9 (11HM9)
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本文鏈接地址：A320 Trouble Shooting Manual 排故手冊 AIR CONDITIONING 空調(diào)2(23)
