(b) If there is a short circuit:
- repair the related wiring between: connector (24HKA) pin E and ZC connector (8HKAA) pin 8C, connector (24HKA) pin F and ZC connector (8HKAA( pin 8D (Ref. ASM 21-63/03).
- connect the electrical connector (24HKA) (Ref. AMM TASK 21-63-16-400-001).
(12) If the fault continues:
- disconnect the electrical connector (25HKA) from the SENSOR-MIXER UNIT TEMPERATURE CABIN (25HK) (Ref. AMM TASK 21-63-16-000-001).
- at the electrical connector (25HKA) do a check for a short circuit: between pins E and F and,
「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 296
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between GND and pins E and F (Ref. ASM 21-63/03).
(a) If there is no short circuit:
- connect the electrical connector (25HKA) (Ref. AMM TASK 21-63-16-400-001).
(b) If there is a short circuit:
- repair the related wiring between: connector (25HKA) pin E and ZC connector (8HKAA) pin 10C, connector (25HKA) pin F and ZC connector (8HKAA) pin 10D (Ref. ASM 21-63/03).
- connect the electrical connector (25HKA) (Ref. AMM TASK 21-63-16-400-001).
(13) If the fault continues:
- disconnect the electrical connector (27HKA) from the SEL-TEMPERATURE, AIR COND/COCKPIT (27HK) (Ref. AMM TASK 21-63-11-000-001).
- at the electrical connector (27HKA) do a check for a short circuit: between pins 2 and 3, 2 and 4, 3 and 4 and, between GND and pins 2, 3, and 4 (Ref. ASM 21-63/02).
(a) If there is no short circuit:
- connect the electrical connector (27HKA) (Ref. AMM TASK 21-63-11-400-001).
(b) If there is a short circuit:
- repair the related wiring between: connector (27HKA) pin 2 and ZC connector (8HKAA) pin 13A, connector (27HKA) pin 3 and ZC connector (8HKAA) pin 14A, connector (27HKA) pin 4 and ZC connector (8HKAA) pin 15A (Ref. ASM 21-63/02).
- connect the electrical connector (27HKA) (Ref. AMM TASK 21-63-11-400-001).
(14) If the fault continues:
- disconnect the electrical connector (28HKA) from the SEL-TEMPERATURE, AIR COND/FWD CABIN (28HK) (Ref. AMM TASK 21-63-11-000-001).
- at the electrical connector (28HKA) do a check for a short circuit: between pins 2 and 3, 2 and 4, 3 and 4 and, between GND and pins 2, 3 and 4 (Ref. ASM 21-63/02).
(a) If there is no short circuit:
- connect the electrical connector (28HKA) (Ref. AMM TASK 21-63-11-400-001).
(b) If there is a short circuit:
- repair the related wiring between: connector (28HKA) pin 2 and ZC connector (8HKAA) pin 13B, connector (28HKA) pin 3 and ZC connector (8HKAA) pin 14B,
「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 297
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connector (28HKA) pin 4 and ZC connector (8HKAA) pin 15B (Ref. ASM 21-63/02).
- connect the electrical connector (28HKA) (Ref. AMM TASK 21-63-11-400-001).
(15) If the fault continues:
- disconnect the electrical connector (29HKA) from the SEL-TEMPERATURE, AIR COND/AFT CABIN (29HK) (Ref. AMM TASK 21-63-11-000-001).
- at the electrical connector (29HKA) do a check for a short circuit: between pins 2 and 3, 2 and 4, 3 and 4 and, between GND and pins 2, 3 and 4 (Ref. ASM 21-63/02).
(a) If there is no short circuit:
- connect the electrical connector (29HKA) (Ref. AMM TASK 21-63-11-400-001).
(b) If there is a short circuit:
- repair the related wiring between: connector (29HKA) pin 2 and ZC connector (8HKAA) pin 13C, connector (29HKA) pin 3 and ZC connector (8HKAA) pin 14C, connector (29HKA) pin 4 and ZC connector (8HKAA) pin 15C (Ref. ASM 21-63/02).
- connect the electrical connector (29HKA) (Ref. AMM TASK 21-63-11-400-001).
- install the removed CONT-ZONE TEMPERATURE (8HK) and (Ref. AMM TASK 21-63-34-000-001).
- close the CBIs 1HK (V17), 2HK (V18), 3HK (V19) and 4HK (V20).
B. Do the test as given in the Para. 3.A.
5. Close-up
________
A. Put the aircraft back to its initial configuration.
R **ON A/C 001-049, 051-099, 101-149, 151-199, 201-299, 301-399,
TASK 21-63-00-810-845
Zone Cont Electrical Component with Short Circuit (Secondary Channel)
1. Possible Causes
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本文链接地址：A320 Trouble Shooting Manual 排故手册 AIR CONDITIONING 空调2(132)
