On the AIR COND panel 30VU:
- the OFF light of the PACK 1 P/BSW goes off.
On the ECAM BLEED page:
- the pack 2 flow indication showsbetween the 11 oIclock and the 1oIclock positions.
A. If the pack 2 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 (8HB) (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 247
May 01/05 CES
(2) If the fault continues:
- replace the VALVE-FLOW CTL (8HB) (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 (9HB) (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 (Ref. ASM 2151S01) from:
- the FCV (8HB)A pin C to the PC (7HH)AA pin 7B,
- the FCV (8HB)A pin D to the PC (27HH)AB pin 6B and,
- the FCV (8HB)A pin B to ground.
(5) If the fault continues:
- do a check and repair the wiring (Ref. ASM 2151S01) from:
- the FCV (11HB)A pin C to the PC (27HH)AA pin 7B,
- the FCV (11HB)A pin D to the PC (7HH)AB pin 6B and,
- the FCV (11HB)A pin B to ground.
(6) Do a check for leakage at the cabin-pressure sense-line between FCV (8HB) and the pressurized area.
B. If the pack 2 flow indicator on the ECAM BLEED page is stuck in the low position:
NOTE : The following step is only to be performed if the FCV is of the
____
standard:
- PN 751A0000-07 Amdt. ABC or,
- PN 751A0000-07 Amdt. BC or,
- PN 751A0000-02 Amdt. ABC.
(1) Replace the VALVE-FLOW CTL (8HB) (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 (8HB) and the pressure-sensor (9HB), and replace if necessary.
(3) If the fault continues:
- replace the SENSOR-PRESSURE (9HB) (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 (11HM9) and the FCV (8HB), and replace if necessary.
(5) If the fault continues:
- replace the SENSOR-COMPRESSOR PNEUMATIC OVHT (11HM9) (Ref. AMM TASK 21-61-18-000-001) (Ref. AMM TASK 21-61-18-400-001).
(6) If the fault continues:
- replace the REHEATER (11HM3) (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 2 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 1303A0000-02 without additional Amendment
(1) Replace the VALVE-FLOW CTL (11HB) of the opposite pack (pack 1) (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(9HB) and the downstream pressure-port at the FCV (8HB), and replace if necessary.
(3) If the fault continues:
- replace the SENSOR-PRESSURE (9HB) (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 (Ref. ASM 2151S01) from:
- the FCV (11HB)A pin C to the PC (27HH)AA pin 7B.
- the FCV (11HB)A pin D to the PC (7HH)AB pin 6B and,
- the FCV (11HB)A pin B to ground.
(5) If the fault continues:
- replace the VALVE-FLOW CTL (8HB) (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 (Ref. ASM 2151S01) from:
- the FCV (8HB)A pin C to the PC (7HH)AA pin 7B,
- the FCV (8HB)A pin D to the PC (27HH)AB pin 6B and,
- the FCV (8HB)A pin B to ground.
B. If the pack 2 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:
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本文链接地址：A320 Trouble Shooting Manual 排故手册 AIR CONDITIONING 空调2(4)
