- connect the electrical connector (25HKA) (Ref. AMM TASK 21-63-16-400-001).
(2) If the fault continues: - open the CBIs 1HK (V17), 2HK (V18), 3HK (V19) and 4HK (V20).
- remove the CONT-ZONE TEMPERATURE (8HK) and (Ref. AMM TASK 21-63-34-000-001).
- disconnect the electrical connector (11HKA) from the TRIM VALVE CKPT (11HK) (Ref. AMM TASK 21-63-51-000-001).
- at the electrical connector (11HKA) do a check for a short circuit:
「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 ∞∞21-63-00∞∞∞∞∞∞∞∞∞∞Page 292
Aug 01/05R CES
between pins U and J, U and K, U and L, J and K, J and L, K and L,
C and D and,
between GND and pins U, J,K, L and C (Ref. ASM 21-63/02).
(a) If there is no short circuit:
- connect the electrical connector (11HKA) (Ref. AMM TASK 21-63-51-400-001).
(b) If there is a short circuit:
- repair the related wiring between: connector (11HKA) pin U and ZC connector (8HKAB) pin 13A, connector (11HKA) pin J and ZC connector (8HKAB) pin 12B, connector (11HKA) pin K and ZC connector (8HKAB) pin 13B, connector (11HKA) pin L and ZC connector (8HKAB) pin 14B, connector (11HKA) pin C and ZC connector (8HKAB) pin 7C (Ref. ASM 21-63/02).
- connect the electrical connector (11HKA) (Ref. AMM TASK 21-63-51-400-001).
(3) If the fault continues:
- disconnect the electrical connector (12HKA) from the VALVE-TRIM AIR,FWD CABIN (12HK) (Ref. AMM TASK 21-63-51-000-001).
- at the electrical connector (12HKA) do a check for a short circuit: between pins U and J, U and K, U and L, J and K, J and L, K and L, C and D and, between GND and pins U, J,K, L and C (Ref. ASM 21-63/02).
(a) If there is no short circuit:
- connect the electrical connector (12HKA) (Ref. AMM TASK 21-63-51-400-001).
(b) If there is a short circuit:
- repair the related wiring between: connector (12HKA) pin U and ZC connector (8HKAB) pin 11A, connector (12HKA) pin J and ZC connector (8HKAB) pin 10A, connector (12HKA) pin K and ZC connector (8HKAB) pin 10B, connector (12HKA) pin L and ZC connector (8HKAB) pin 11B, connector (12HKA) pin C and ZC connector (8HKAB) pin 6C (Ref. ASM 21-63/02).
- connect the electrical connector (12HKA) (Ref. AMM TASK 21-63-51-400-001).
(4) If the fault continues:
- disconnect the electrical connector (13HKA) from the VALVE-TRIM AIR,AFT CABIN (13HK) (Ref. AMM TASK 21-63-51-000-001).
- at the electrical connector (13HKA) do a check for a short circuit: between pins U and J, U and K, U and L, J and K, J and L, K and L, C and D and, between GND and pins U, J,K, L and C (Ref. ASM 21-63/02).
「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 ∞∞21-63-00∞∞∞∞∞∞∞∞∞∞Page 293
Aug 01/05R
CES
(a) If there is no short circuit:
- connect the electrical connector (13HKA) (Ref. AMM TASK 21-63-51-400-001).
(b) If there is a short circuit:
- repair the related wiring between: connector (13HKA) pin U and ZC connector (8HKAB) pin 15A, connector (13HKA) pin J and ZC connector (8HKAB) pin 15C, connector (13HKA) pin K and ZC connector (8HKAB) pin 15D, connector (13HKA) pin L and ZC connector (8HKAB) pin 15E, connector (13HKA) pin C and ZC connector (8HKAB) pin 5C (Ref. ASM 21-63/02).
- connect the electrical connector (12HKA) (Ref. AMM TASK 21-63-51-400-001).
(5) If the fault continues:
- disconnect the electrical connector (15HKA) from the SENSOR-DUCT TEMPERATURE,COCKPIT (15HK) (Ref. AMM TASK 21-63-15-000-001).
- at the electrical connector (15HKA) do a check for a short circuit: between pins E and F and, between GND and pins E and F (Ref. ASM 21-63/03).
(a) If there is no short circuit:
- connect the electrical connector (15HKA) (Ref. AMM TASK 21-63-15-400-001).
(b) If there is a short circuit:
- repair the related wiring between: connector (15HKA) pin E and ZC connector (8HKAA) pin 9A, connector (15HKA) pin F and ZC connector (8HKAA) pin 9B (Ref. ASM 21-63/03).
- connect the electrical connector (15HKA) (Ref. AMM TASK 21-63-15-400-001).
(6) If the fault continues: 中國(guó)航空網(wǎng) www.k6050.com 航空翻譯 www.aviation.cn 本文鏈接地址：A320 Trouble Shooting Manual 排故手冊(cè) AIR CONDITIONING 空調(diào)2(130)
