(2) If there is no ground signal:
- do a check and repair the wiring between the AEVC (10HQ) and the SDAC-1 (1WV1), pin AB/8A and pin AD/12C and/or do a check and repair the wiring between the AEVC (10HQ) and the SDAC-2 (1WV2), pins AB/8A and AD/12C (Ref. ASM 21-26/02).
(a) If the fault continues:
- replace the SDAC-1 (1WV1) and/or the SDAC-2 (1WV2) (Ref. AMM TASK 31-55-34-000-001) and (Ref. AMM TASK 31-55-34-400-001).
「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 ∞∞21-26-00∞∞∞∞∞∞∞∞∞∞Page 268
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B. Do the operational test given in Para. 3.
「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 ∞∞21-26-00∞∞∞∞∞∞∞∞∞∞Page 269
May 01/05R
CES
TASK 21-26-00-810-826
No Transmission by the ARINC 429 Bus
1. Possible Causes
_______________
- AEVC (10HQ)
- CFDIU (1TW)
- wiring between the AEVC (10HQ) and the CFDIU (1TW)
2. Job Set-up Information
______________________
A. Referenced Information
-------------------------------------------------------------------------------REFERENCE DESIGNATION -------------------------------------------------------------------------------
AMM 21-26-34-000-001 Removal of the Avionics Equipment Ventilation Computer (AEVC) (10HQ) AMM 21-26-34-400-001 Installation of the Avionics Equipment Ventilation
Computer (AEVC) (10HQ)
AMM 31-32-00-869-002 Procedure for Class 3 Faults Reading
AMM 31-32-34-000-001 Removal of the CFDIU (1TW)
AMM 31-32-34-400-001 Installation of the CFDIU (1TW)
3. Fault Confirmation
__________________
A. Test
(1) On the CFDS MENU page, get access to the AVIONICS STATUS page (Ref. AMM TASK 31-32-00-869-002).
4. Fault Isolation
_______________
A. If the test gives the maintenance message NO AEVC DATA:
- do a check and repair the wiring between the AEVC (10HQ) and the CFDIU (1TW), pins AB/12A, AB/13A, AB/14A, AB/15A and pins AA/3D, AA/3E, AB/10A.
(1) If the fault continues:
- replace the AEVC (10HQ) (Ref. AMM TASK 21-26-34-000-001) and (Ref. AMM TASK 21-26-34-400-001).
(a) If the fault continues:
- replace the CFDIU (1TW) (Ref. AMM TASK 31-32-34-000-001) and (Ref. AMM TASK 31-32-34-400-001).
B. Do the operational test given in Para. 3.
「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 ∞∞21-26-00∞∞∞∞∞∞∞∞∞∞Page 270
May 01/05R CES
TASK 21-26-00-810-828
Loss of the Duct Temperature Sensor (26HQ)
1. Possible Causes
_______________
- CARTRIDGE-AVNCS VENT FILTER (2082HM)
- SENSOR - DUCT TEMP AVNCS VENT (26HQ)
2. Job Set-up Information
______________________
A. Referenced Information
-------------------------------------------------------------------------------
REFERENCE DESIGNATION
-------------------------------------------------------------------------------
AMM 21-26-00-710-002 Operational Check of Override Function (BLOWER and EXTRACT) AMM 21-26-12-000-001 Removal of the Avionics Ventilation Duct Temperature Sensor (26HQ) AMM 21-26-12-400-001 Installation of the Avionics Ventilation Duct
Temperature Sensor (26HQ)
AMM 21-26-43-600-007 Servicing of the Demister Filter
AMM 21-26-43-920-001 Replacement of the Filter Cartridge
3. Fault Confirmation
__________________
A. On the panel 22VU, release the VENTILATION/BLOWER pushbutton switch (13HQ) (the OVRD legend comes on).
4. Fault Isolation
_______________
R **ON A/C 001-049, 051-099, 101-105, 301-399, 401-499,
A. If the VENT BLOWER FAULT warning is in view on the upper ECAM DU:
- make sure that the avionics ventilation filter is not clogged. If necessary, replace it (Ref. AMM TASK 21-26-43-600-007).
(1) If the fault continues:
- replace the SENSOR - DUCT TEMP AVNCS VENT (26HQ) (Ref. AMM TASK 21-26-12-000-001) and (Ref. AMM TASK 21-26-12-400-001).
**ON A/C 001-049, 101-149, 151-199, 201-299,
Post SB 21-1087 For A/C 001-049,101-105,
A. If the VENT BLOWER FAULT warning is in view on the upper ECAM DU:
- make sure that the avionics ventilation filter is not clogged. If necessary, replace the CARTRIDGE-AVNCS VENT FILTER (2082HM) (Ref. AMM TASK 21-26-43-920-001).
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本文链接地址：A320 Trouble Shooting Manual 排故手册 AIR CONDITIONING 空调1(83)
