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A. If the pack 1 flow indicator on the ECAM BLEED page is stuck in the high position: NOTE : Do the following step only, if the FCV is of the standard: ____ - PN 751A0000-07 Amdt. ABC or,
- PN 751A0000-07 Amdt. BC or,
- PN 751B0000-02 Amdt. ABC.
(1) Replace the filter of the VALVE-FLOW CTL (11HB) (Ref. AMM TASK 21-51-51-600-001). 「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 239 May 01/05 CES
(2) If the fault continues:
- replace the VALVE-FLOW CTL (11HB) (Ref. AMM TASK 21-51-51-000-001) and (Ref. AMM TASK 21-51-51-400-001).
(3) If the fault continues:
- replace the SENSOR-PRESSURE (10HB) (Ref. AMM TASK 21-51-11-000-001) (Ref. AMM TASK 21-51-11-400-001).
(4) If the fault continues:
- do a check and repair the wiring between the:
- FCV connector (11HB-A) pin C and the PC connector (27HH-AA) pin B7.
- FCV connector (11HB-A) pin D and the PC connector (7HH-AB) pin B6.
- FCV connector (11HB-A) pin B and GND (Ref. ASM 2151S01).
(5) If the fault continues:
- do a check and repair the wiring between the:
- FCV connector (8HB-A) pin C and the PC connector (7HH-AA) pin B7.
- FCV connector (8HB-A) pin D and the PC connector (27HH-AB) pin B6.
- FCV connector (8HB-A) pin B and GND (Ref. ASM 2151S01).
(6) Do a check for leakage at the cabin-pressure sense-line between FCV (11HB) and the pressurized area.
B. If the pack 1 flow indicator on the ECAM BLEED page is stuck in the low position: NOTE : Do the following step only if the FCV is of the standard: ____ - PN 751A0000-07 Amdt. ABC or,
- PN 751A0000-07 Amdt. BC or,
- PN 751B0000-02 Amdt. ABC.
(1) Replace the VALVE-FLOW CTL (11HB) (Ref. AMM TASK 21-51-51-000-001) and (Ref. AMM TASK 21-51-51-400-001).
(2) If the fault continues:
- do a leakage check of the sense-line between the FCW (11HB) and the pressure-sensor (10HB), and replace if necessary.
(3) If the fault continues:
- replace the SENSOR-PRESSURE (10HB) (Ref. AMM TASK 21-51-11-000-001) (Ref. AMM TASK 21-51-11-400-001)
(4) If the fault continues:
- do a leakage check of the sense-line between the CPNOH (10HM9) and the FCV (11HB), and replace if necessary.
(5) If the fault continues:
- replace the SENSOR-COMPRESSOR PNEUMATIC OVHT (10HM9) (Ref. AMM TASK 21-61-18-000-001) (Ref. AMM TASK 21-61-18-400-001)
(6) If the fault continues:
- Replace the REHEATER (10HM3) (Ref. AMM TASK 21-52-31-000-001) and (Ref. AMM TASK 21-52-31-400-001). R **ON A/C 004-049, 055-099, 101-149, 151-199, 201-299, 301-399, A. If the pack 1 flow indicator on the ECAM BLEED page is stuck in the high position: (1) Replace the VALVE-FLOW CTL (8HB) of the opposite pack (pack 2) (Ref. AMM TASK 21-51-51-000-001) (Ref. AMM TASK 21-51-51-400-001).
(2) If the fault continues:
- do a leakage check of the sense line between the angled connector of the pressure-sensor(10HB) and the downstream pressure-port at the FCV (11HB), and replace if necessary.
(3) If the fault continues:
- replace the SENSOR-PRESSURE (10HB) (Ref. AMM TASK 21-51-11-000-001) (Ref. AMM TASK 21-51-11-400-001).
(4) If the fault continues:
- do a check and repair the wiring of the opposite FCV (8HB) between the:
- FCV connector (8HB-A) pin C and the PC connector (7HH-AA) pin B7.
- FCV connector (8HB-A) pin D and the PC connector (27HH-AB) pin B6.
- FCV connector (8HB-A) pin B and GND (Ref. ASM 2151S01).
(5) If the fault continues:
- replace the VALVE-FLOW CTL (11HB) (Ref. AMM TASK 21-51-51-000-001) (Ref. AMM TASK 21-51-51-400-001).
(6) If the fault continues:
- do a check and repair the wiring between the:
- FCV connector (11HB-A) pin C and the PC connector (27HH-AA) pin B7.
- FCV connector (11HB-A) pin D and the PC connector (7HH-AB) pin B6.
- FCV connector (11HB-A) pin B and GND (Ref. ASM 2151S01).
B. If the pack 1 flow indicator on the ECAM BLEED page is stuck in the low position: (1) Do a leakage check of the sense-line between the in-line-connector of the pressure-sensor (10HB), and the upstream port at the FCV (11HB), and replace if necessary.
(2) If the fault continues:
- replace the SENSOR-PRESSURE (10HB) (Ref. AMM TASK 21-51-11-000-001) (Ref. AMM TASK 21-51-11-400-001) 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
