1. Possible Causes
_______________
 - ECB (59KD)

 - Load Control Valve (8050KM)

 2. Job Set-up Information
______________________
 A. Referenced Information
 -------------------------------------------------------------------------------REFERENCE DESIGNATION -------------------------------------------------------------------------------
49-00-81-810-864 "LCV-OPEN"- Signal Fault (131-9(A))
 AMM 31-32-00-860-001 Procedure to Get Access to the SYSTEM REPORT/TEST

 Menu Page
 AMM 49-00-00-710-010 Operational Test of the APU (131-9(A))
 AMM 49-61-34-000-003 Removal of the Electronic Control Box (ECB)

 (131-9(A))
 AMM 49-61-34-400-003 Installation of the Electronic Control Box (ECB)
 (131-9(A))

 3. Fault Confirmation
__________________
 A. Do the operational test of the APU (Ref. AMM TASK 49-00-00-710-010).
 (1) Do a check of the APU Bleed Control-Valve indication on the lower ECAM DU (APU Page).

 (2) On the MCDU, get access to the APU menu page SYSTEM REPORT/TEST (Ref. AMM TASK 31-32-00-860-001).

 4. Fault Isolation
_______________
 A. Maintenance Action
 (1) If there is a CLASS 2 Fault Message
 WRG: APU LOAD VALVE
 with the LRU TROUBLE SHOOT DATA menu information:

 LOAD VALVE OPEN SIGNAL SHOWS CIRCUIT FAILURE Fault Code Number: 138 and the Bleed Control Valve indication is replaced by amber XX:
 - do the trouble shooting of the Load Control Valve (8050KM) (Ref. TASK 49-00-81-810-864).
 「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 : 001-049, 101-105, 107-107, 151-199, ∞∞49-00-81∞∞∞∞∞∞∞∞∞∞Page B264
 201-210, Config-1 Aug 01/05 CES

 (2) If there is no CLASS 2 Fault Message and the Bleed Control Valve indication is replaced by amber XX:
 - replace the ECB (59KD) (Ref. AMM TASK 49-61-34-000-003) and (Ref. AMM TASK 49-61-34-400-003).
 B. Do the 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 : 001-049, 101-105, 107-107, 151-199, ∞∞49-00-81∞∞∞∞∞∞∞∞∞∞Page B265
 201-210, Config-1 Aug 01/05 CES

 TASK 49-00-81-810-894

 APU Bleed Pressure indication replaced by amber XX (131-9(A))
 1. Possible Causes
_______________
 - ECB (59KD)

 - Total Pressure Sensor

 - ADIRU 2 is selected OFF or not available

 2. Job Set-up Information
______________________
 A. Referenced Information
 -------------------------------------------------------------------------------
REFERENCE DESIGNATION
 -------------------------------------------------------------------------------
49-00-81-810-854 Total-Pressure Transducer (P23) Fault (131-9(A))
 AMM 31-32-00-860-001 Procedure to Get Access to the SYSTEM REPORT/TEST
 Menu Page
 AMM 34-10-00-860-002 ADIRS Start Procedure
 AMM 49-00-00-710-010 Operational Test of the APU (131-9(A))
 AMM 49-61-34-000-003 Removal of the Electronic Control Box (ECB)

 (131-9(A))
 AMM 49-61-34-400-003 Installation of the Electronic Control Box (ECB)
 (131-9(A))

 3. Fault Confirmation
__________________
 A. Do the operational test of the APU (Ref. AMM TASK 49-00-00-710-010).
 (1) Do a check of the APU Bleed Pressure indication on the lower ECAM DU (APU Page).

 (2) On the MCDU, get access to the APU menu page SYSTEM REPORT/TEST (Ref. AMM TASK 31-32-00-860-001).

 (3) Select the LAST LEG REPORT page.

 4. Fault Isolation
_______________
 A. Maintenance Action
 (1) If there is a fault message
 TOTAL PRESS XDCR (8044KM)
 with the LRU TROUBLE SHOOT DATA menu information: TOTAL PRESSURE SENSOR SHOWS OUT OF RANGE HIGH Fault Code Number: 029 or
 「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 : 001-049, 101-105, 107-107, 151-199, ∞∞49-00-81∞∞∞∞∞∞∞∞∞∞Page B266
 201-210, Config-1 Aug 01/05 CES

 TOTAL PRESSURE SENSOR SHOWS OUT OF RANGE LOW
 Fault Code Number: 028
 or
 TOTAL PRESSURE SENSOR SHOWS OUT OF RANGE
 Fault Code Number: 026

 and the Bleed Pressure indication is replaced by amber XX:
 - do the trouble shooting of the Total Pressure Sensor (Ref. TASK 49-00-81-810-854).
　
中國航空網 www.k6050.com
航空翻譯 www.aviation.cn
本文鏈接地址：A320 Trouble Shooting Manual 排故手冊 機載輔助動力 2(136)