3. Fault Confirmation

__________________
 A. Do the DMU (1TV) fault monitoring test (Ref. AMM TASK 31-36-00-710-001). NOTE : Make sure that the circuit breakers 1TV, 7CV, 8CV, 11CV, 12CV, 2CN
____ on the panel 121VU and 1CN, 5CV, 6CV on the panel 49VU and 9CV, 10CV on the panel 122VU are closed during the test. _______________
4. Fault Isolation
R **ON A/C 001-049, 051-099, 101-105, 151-158, 201-209,
 A. If the test gives the maintenance message:
 - NO SFCC 1 DATA, or

 - NO SFCC 2 DATA

 (1) Do the operational test of the Slat and Flap Control Computer (Ref. AMM TASK 27-54-00-710-001).
 (a) If the test gives a different maintenance message, you can find the related trouble shooting procedure in the applicable Page Block 101.
 「一一一一一一一一一一一一一一一一一一一一一一一一一一一一一一一一一一一一一一一一一一一一一一一1R EFF : 001-049, 051-099, 101-105, 151-199, ∞∞31-36-00∞∞∞∞∞∞∞∞∞∞Page 245
 201-210, May 01/05 CES (2) If the fault continues:

 - do a check and repair the wiring from the SFCC-1 (21CV) or SFCC-2 (22CV) to the DMU (1TV) (Ref. ASM 31-37/01):
 SFCC 1 Connector AB/4E to DMU Connector AA/3A SFCC 1 Connector AB/4F to DMU Connector AA/3B SFCC 2 Connector AB/4E to DMU Connector AB/3A SFCC 2 Connector AB/4F to DMU Connector AB/3B
 (3) If the fault continues:
 - replace the DMU (1TV) (Ref. AMM TASK 31-36-34-000-001) and (Ref. AMM TASK 31-36-34-400-001).
 **ON A/C 159-199, 210-210,
 A. If the test gives the maintenance message:
 - SFCC1 (21CV)/DMU (1TV) or

 - SFCC2 (22CV)/DMU (1TV).

 (1) Do the operational test of the Slat and Flap Control Computer (Ref. AMM TASK 27-54-00-710-001).

 (a) If the test gives a different maintenance message, you can find the related trouble shooting procedure in the applicable Page Block 101.

 (2) If the fault continues:

 - do a check and repair the wiring from the SFCC-1 (21CV) or SFCC-2 (22CV) to the DMU (1TV) (Ref. ASM 31-37/01):
 SFCC 1 Connector AB/4E to DMU Connector AA/3A SFCC 1 Connector AB/4F to DMU Connector AA/3B SFCC 2 Connector AB/4E to DMU Connector AB/3A SFCC 2 Connector AB/4F to DMU Connector AB/3B
 (3) If the fault continues:
 - replace the DMU (1TV) (Ref. AMM TASK 31-36-34-000-001) and (Ref. AMM TASK 31-36-34-400-001).
R **ON A/C 001-049, 051-099, 101-105, 151-199, 201-210,
 B. Do the test given in para. 3.
 「一一一一一一一一一一一一一一一一一一一一一一一一一一一一一一一一一一一一一一一一一一一一一一一1R EFF : 001-049, 051-099, 101-105, 151-199, ∞∞31-36-00∞∞∞∞∞∞∞∞∞∞Page 246
 201-210, May 01/05 CES DMU receives no data from the SDAC 1 (1WV1) or SDAC 2 (1WV2)

 1. Possible Causes
_______________
 - SDAC-1 (1WV1)

 - SDAC-2 (1WV2)

 - DMU (1TV)

 - wiring

 2. Job Set-up Information
______________________
 A. Referenced Information
 -------------------------------------------------------------------------------REFERENCE DESIGNATION
 -------------------------------------------------------------------------------
AMM 31-36-00-710-001 Test of the DMU (1TV)
 AMM 31-36-34-000-001 Removal of the Data Management Unit (DMU) (1TV)
 AMM 31-36-34-400-001 Installation of the Data Management Unit (DMU) (1TV)
 AMM 31-50-00-710-001 Ground Scanning of the Central Warning System
 ASM 31-37/01

 3. Fault Confirmation
__________________
 A. Do the DMU (1TV) fault monitoring test (Ref. AMM TASK 31-36-00-710-001).
 NOTE : Make sure that the circuit breakers 1TV, 6WV, 7WV, 8WV, 9WV on the
____ panel 121VU and 2WV, 3WV, 5WV, 10WV, 12WV on the panel 49VU are closed during the test.
 4. Fault Isolation
_______________
R **ON A/C 001-049, 051-099, 101-105, 151-158, 201-209,
 A. If the test gives the maintenance message:
 - NO SDAC 1 DATA (BUS 1)

 - NO SDAC 2 DATA (BUS 1)

 - NO SDAC 1 DATA (BUS 2)

 - NO SDAC 2 DATA (BUS 2)

 (1) Do the operational test of the Central Warning System (Ref. AMM TASK 31-50-00-710-001).
 (a) If the test gives a different maintenance message, you can find the related trouble shooting procedure in the applicable Page Block 101.
 「一一一一一一一一一一一一一一一一一一一一一一一一一一一一一一一一一一一一一一一一一一一一一一一1R EFF : 001-049, 051-099, 101-105, 151-199, ∞∞31-36-00∞∞∞∞∞∞∞∞∞∞Page 247
　
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