* pins J and N and,
* GND and pins J and N,
- if there is a short circuit repair the related wiring between,
* connector (28HH/A) pin J and PC connector (27HH/AB) pin 15A,
* connector (28HH/A) pin N and PC connector (27HH/AB) pin 14B.
- if there is no short circuit in the wiring replace the ACTUATOR-AIR INLET FLAP (28HH) (Ref. AMM TASK 21-61-51-000-001) and, (Ref. AMM TASK 21-61-51-400-001).
- install the CONTROLLER-PACK 2 TEMP (27HH) (Ref. AMM TASK 21-61-34-400-001).
R **ON A/C 401-499,
B. Check for short circuit at the P2 RAM AIR IN ACTUATOR (28HH) 115VAC supply lines
(1) Remove the CONT-AIR COND SYSTEM 2 (57HH),
(Ref. AMM TASK 21-61-34-000-002):
- at the electrical connector (57HH/AB) do a check for a short circuit between,
* pins 15J and 15K and,
* GND and pins 15J and 15K.
(a) If there is no short circuit install the CONT-AIR COND SYSTEM 2 (57HH) (Ref. AMM TASK 21-61-34-400-002).
(b) If there is a short circuit at the connector (57HH/AB) disconnect the electrical connector (28HH/A) from the ACTUATOR-AIR INLET FLAP (8HH):
- do a check for a short circuit between,
* pins J and K and,
* GND and pins J and K.
- if there is a short circuit repair the related wiring between,
* connector (28HH/A) pin J and ACSC2 connector (57HH/AB) pin 15J,
* connector (28HH/A) pin K and ACSC2 connector (57HH/AB) pin 15K.
- if there is no short circuit in the wiring replace the P2 RAM AIR IN ACTUATOR (28HH), (Ref. AMM TASK 21-61-51-000-001) and, (Ref. AMM TASK 21-61-51-400-001).
- install the CONT-AIR COND SYSTEM 2 (57HH) (Ref. AMM TASK 21-61-34-400-002).
「一一一一一一一一一一一一一一一一一一一一一一一一一一一一一一一一一一一一一一一一一一一一一一一1R EFF : 004-049, 055-099, 101-149, 151-199, ∞∞21-61-00∞∞∞∞∞∞∞∞∞∞Page 299
201-299, 301-399, 401-499, Aug 01/05 CESR **ON A/C 001-049, 051-099, 101-149, 151-199, 201-299, 301-399,
C. If the fault continues:
(1) Swap the PC 2 (27HH) and the PC 1 (7HH) (Ref. AMM TASK 21-61-34-000-001) and, (Ref. AMM TASK 21-61-34-400-001).
(2) If the fault moves with the PC 2:
- swap back the PC 2 (27HH) and the PC 1 (7HH) (Ref. AMM TASK 21-61-34-000-001) and, (Ref. AMM TASK 21-61-34-400-001).
- replace the CONTROLLER-PACK 2 TEMP (27HH) (Ref. AMM TASK 21-61-34-000-001) and, (Ref. AMM TASK 21-61-34-400-001).
(3) If the fault does not move with the PC 2:
- swap back the PC 2 (27HH) and the PC 1 (7HH) (Ref. AMM TASK 21-61-34-000-001) and, (Ref. AMM TASK 21-61-34-400-001).
R **ON A/C 401-499,
C. If the fault continues:
(1) Swap the ACSC2 (57HH) and the ACSC1 (47HH) (Ref. AMM TASK 21-61-34-000-002) and, (Ref. AMM TASK 21-61-34-400-002).
(a) If the fault moves with the ACSC2:
- swap back the ACSC2 (57HH) and the ACSC1 (47HH) (Ref. AMM TASK 21-61-34-000-002) and, (Ref. AMM TASK 21-61-34-400-002).
- 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 does not move with the ACSC2:
- swap back the ACSC2 (57HH) and the ACSC1 (47HH) (Ref. AMM TASK 21-61-34-000-002) and, (Ref. AMM TASK 21-61-34-400-002).
**ON A/C 001-003, 051-054,
D. If the fault continues:
(1) Disconnect the electrical connector (31HH/A) from the SENSOR-WATER EXTRACTOR TEMPERATURE (31HH),
- make sure that the electrical connector is clean and in the correct condition,
- at the electrical connector (31HH/A) do a check for voltage between,
* pins E and F.
(a) If the voltage is between 4.8VDC and 5.2VDC:
- replace the SENSOR-WATER EXTRACTOR TEMPERATURE (31HH) (Ref. AMM TASK 21-61-13-000-001) and, (Ref. AMM TASK 21-61-13-400-001).
(b) If the voltage is not between 4.8VDC and 5.2VDC:
- disconnect the electrical connector (28HH/A) from the ACTUATOR-AIR INLET FLAP (28HH),
- make sure that the electrical connector is clean and in the correct condition.
- at the electrical connector (31HH/A) do a check for voltage again.
1_ If the voltage is between 4.8VDC and 5.2VDC:
- replace the ACTUATOR-AIR INLET FLAP (28HH)
(Ref. AMM TASK 21-61-51-000-001) and,
(Ref. AMM TASK 21-61-51-400-001).
- connect the electrical connector (31HH/A).
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本文链接地址：A320 Trouble Shooting Manual 排故手册 AIR CONDITIONING 空调2(48)
