3. Fault Confirmation
__________________
A. Do the operational test of the central warning system (Ref. AMM TASK 31-50-00-710-001).
NOTE : Make sure that the circuit breaker 3HL is closed during the test.
____
4. Fault Isolation
_______________
A. If the test gives the maintenance message SDAC1: NO CPCU1 DATA 11HL or SDAC1: NO CPC 1 ANALOG SIGNAL:
- do the operational test of the pressure control and monitoring system (Ref. AMM TASK 21-31-00-710-002).
(1) If the test gives a different maintenance message refer to the Fault Symptom List.
(2) If the test is OK: replace the SDAC-1 (1WV1) (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 ∞∞21-51-00∞∞∞∞∞∞∞∞∞∞Page 232
Aug 01/05R CES
(3) If the fault continues:
- do a check and repair the wiring (Ref. ASM 21-31/03): from the CPC 1 (11HL)AA/1C to the SDAC 1 (1WV1)AE/10E, from the CPC 1 (11HL)AA/4D to the SDAC 1 (1WV1)AE/10F.
(4) If the fault continues: replace the CONTROLLER-CABIN PRESSURE 1 (11HL) (Ref. AMM TASK 21-31-34-000-001) and (Ref. AMM TASK 21-31-34-400-001).
B. If the test gives the maintenance message SDAC2: NO CPCU1 DATA 11HL or SDAC2: NO CPC1 ANALOG SIGNAL:
- do the operational test of the pressure control and monitoring system
(Ref. AMM TASK 21-31-00-710-002). R
R (1) If the test gives a different maintenance message refer to the Fault R Symptom List.
(2) If the test is OK: replace the SDAC-2 (1WV2) (Ref. AMM TASK 31-55-34-000-001) and (Ref. AMM TASK 31-55-34-400-001).
(3) If the fault continues:
- do a check and repair the wiring (Ref. ASM 21-31/03): from the CPC 1 (11HL)AA/1C to the SDAC 2 (1WV2)AE/10E, from the CPC 1 (11HL)AA/4D to the SDAC 2 (1WV2)AE/10F.
(4) If the fault continues: replace the CONTROLLER-CABIN PRESSURE 1 (11HL) (Ref. AMM TASK 21-31-34-000-001) and (Ref. AMM TASK 21-31-34-400-001).
C. Do the test given in para. 3.
TASK 21-51-00-810-811
Pack 1 FCV (Pack 1 FCU) - Symbol replaced by Amber XX
1. Possible Causes
_______________
- SDAC-1 (1WV1)
2. Job Set-up Information
______________________
A. Referenced Information
-------------------------------------------------------------------------------
REFERENCE DESIGNATION
-------------------------------------------------------------------------------
AMM 31-50-00-710-001 Ground Scanning of the Central Warning System
AMM 31-55-34-000-001 Removal of the SDAC (1WV1,1WV2)
AMM 31-55-34-400-001 Installation of the SDAC (1WV1,1WV2)
3. Fault Confirmation
__________________
A. Do the operational test of the central warning system (Ref. AMM TASK 31-50-00-710-001).
4. Fault Isolation
_______________
A. If the test gives the maintenance message SDAC1: replace the SDAC-1 (1WV1) (Ref. AMM TASK 31-55-34-000-001) and (Ref. AMM TASK 31-55-34-400-001).
R
R B. Do the test given in para. 3.
TASK 21-51-00-810-812
Pack 2 FCV (Pack 2 FCU) - Symbol replaced by Amber XX
1. Possible Causes
_______________
- SDAC-2 (1WV2)
2. Job Set-up Information
______________________
A. Referenced Information
-------------------------------------------------------------------------------REFERENCE DESIGNATION -------------------------------------------------------------------------------
AMM 31-50-00-710-001 Ground Scanning of the Central Warning System
AMM 31-55-34-000-001 Removal of the SDAC (1WV1,1WV2)
AMM 31-55-34-400-001 Installation of the SDAC (1WV1,1WV2)
3. Fault Confirmation
__________________
A. Do the operational test of the central warning system (Ref. AMM TASK 31-50-00-710-001).
4. Fault Isolation
_______________
A. If the test gives the maintenance message SDAC2: replace the SDAC-2 (1WV2) (Ref. AMM TASK 31-55-34-000-001) and (Ref. AMM TASK 31-55-34-400-001).
R
R B. Do the test given in para. 3.
TASK 21-51-00-810-813
Pack 1 Flow Indication Fault
1. Possible Causes
_______________
- VALVE-FLOW CTL (11HB)
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