NOTE : The resistance value must be smaller than 20 m.ohms.
____
 B. Do the test as given in the Para. 3.A.
 「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 ∞∞21-31-00∞∞∞∞∞∞∞∞∞∞Page 281
 Aug 01/02R
 CES

 TASK 21-31-00-810-840

 Cabin Pressure Controller 2 Fault (59)
 1. Possible Causes
_______________
 - CONTROLLER-CABIN PRESSURE 2 (12HL)

 - VALVE-OUTFLOW (10HL), ELECTRONIC MODULE 2

 - RELAY-AUTO MODE DRIVE SHUT OFF (17HL)

 - wiring

 2. Job Set-up Information
______________________
 A. Referenced Information
 -------------------------------------------------------------------------------REFERENCE DESIGNATION -------------------------------------------------------------------------------
AMM 21-31-00-710-002  Operational Test of the Pressure Control and Monitoring
 AMM 21-31-00-760-001  Resistance Check of the Return Ground Connections -Cabin Pressure Controller (CPC) 1 (11HL) and 2 (12HL) and the Electronic Modules 10HL-1 and 10HL-2
 AMM 21-31-34-000-001 Removal of the Cabin Pressure Controller (11HL,12HL) AMM 21-31-34-400-001 Installation of the Cabin Pressure Controller (11HL,12HL) AMM 21-31-51-000-002 Removal of the Outflow Valve (10HL) - Electronics Module 10HL-1 (10HL-2) AMM 21-31-51-400-002 Installation of the Outflow Valve (10HL) -Electronics Module 10HL-1 (10HL-2) ASM 21-31/01
 3. Fault Confirmation
__________________
 A. Test
 (1) Do the operational test of the pressure control and monitoring system (Ref. AMM TASK 21-31-00-710-002).
 4. Fault Isolation
_______________
 A. If one or both of the reports, LAST LEG REPORT, PREVIOUS LEG REPORT, and/or the test gives the maintenance message,
 - PRESS CONTROLLER 2 (59):

 - swap the CPC 2 (12HL) and the CPC 1 (11HL) (Ref. AMM TASK 21-31-34-000-001) and (Ref. AMM TASK 21-31-34-400-001).

 「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 ∞∞21-31-00∞∞∞∞∞∞∞∞∞∞Page 282
 Aug 01/02R
 CES

 (1) If the fault moves with the CPC 2:

 - swap back the CPC 2 (12HL) and the CPC 1 (11HL) (Ref. AMM TASK 21-31-34-000-001) and (Ref. AMM TASK 21-31-34-400-001).
 (a) Replace the CONTROLLER-CABIN PRESSURE 2 (12HL) (Ref. AMM TASK 21-31-34-000-001) and (Ref. AMM TASK 21-31-34-400-001).

 (2) If the fault does not move with the CPC 2:

 - swap back the CPC 2 (12HL) and the CPC 1 (11HL) (Ref. AMM TASK 21-31-34-000-001) and (Ref. AMM TASK 21-31-34-400-001).
 (a) Replace the VALVE-OUTFLOW (10HL), ELECTRONIC MODULE 2 (Ref. AMM TASK 21-31-51-000-002) and (Ref. AMM TASK 21-31-51-400-002).
 NOTE : The electronic module 2 is connected to the electrical
____
 connector 10HL-B.

 (3) If the fault continues:

 - replace the RELAY-AUTO MODE DRIVE SHUT OFF (17HL).

 (4) If the fault continues:

 - do a check and repair the wiring from the:

 - CPC 2 connector (12HL-AA) pin 15D to the OFV connector (10HL-B) pin L (Ref. ASM 21-31/01).

 (a) Do a check of the earthing resistance at the return ground connections (Ref. AMM TASK 21-31-00-760-001) on:
 - the CPC 2 connector 12HL-AC, pin 2 and on,

 - the electronic module 2 connector 10HL-B, pin J.

 NOTE : The resistance value must be smaller than 20 m.ohms.
____
 B. Do the test as given in the Para. 3.A.
 「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 ∞∞21-31-00∞∞∞∞∞∞∞∞∞∞Page 283
 Aug 01/02R
 CES

 TASK 21-31-00-810-841

 CPC 1 - MCDU Fault
 1. Possible Causes
_______________
 - CONTROLLER-CABIN PRESSURE 1 (11HL)

 - VALVE-OUTFLOW (10HL), ELECTRONIC MODULE 1

 - wiring

 2. Job Set-up Information
______________________
 A. Referenced Information
 -------------------------------------------------------------------------------REFERENCE DESIGNATION -------------------------------------------------------------------------------
AMM 21310076000100
 AMM 21-31-00-710-002 Operational Test of the Pressure Control and

 Monitoring AMM 21-31-34-000-001 Removal of the Cabin Pressure Controller (11HL,12HL) AMM 21-31-34-400-001 Installation of the Cabin Pressure Controller
　
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