1. Possible Causes
_______________
 - DMC-1 (1WT1)

 - DMC-2 (1WT2)

 - 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 31-60-00-710-001 Operational Test of the EIS
 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, 10WT2, 21WT2 on the panel
____ 121VU and 10WT1, 21WT1 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 DMC 1 DATA, or

 - NO DMC 2 DATA

 (1) Do the operational test of the Electronic Instrument System (Ref. AMM TASK 31-60-00-710-001).

 (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 237
 201-210, May 01/05 CES (2) If the fault continues:

 - do a check and repair the wiring from the DMC-1 (1WT1) or DMC-2 (1WT2) to the DMU (1TV) (Ref. ASM 31-37/01):
 DMC 1 Connector AB/1E to DMU Connector AA/6C DMC 1 Connector AB/1F to DMU Connector AA/6D or DMC 2 Connector AB/1E to DMU Connector AB/6C DMC 2 Connector AB/1F to DMU Connector AB/6D
 (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:
 - DMC1 (1WT1)/DMU (1TV)

 - DMC2 (1WT2)/DMU (1TV)

 (1) Do the operational test of the Electronic Instrument System (Ref. AMM TASK 31-60-00-710-001).

 (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 DMC-1 (1WT1) or DMC-2 (1WT2) to the DMU (1TV) (Ref. ASM 31-37/01):
 DMC 1 Connector AB/1E to DMU Connector AA/6C DMC 1 Connector AB/1F to DMU Connector AA/6D or DMC 2 Connector AB/1E to DMU Connector AB/6C DMC 2 Connector AB/1F to DMU Connector AB/6D
 (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 238
 201-210, May 01/05 CES DMU receives no data from the FAC 1 (1CC1) or FAC 2 (1CC2)

 1. Possible Causes
_______________
 - FAC-1 (1CC1)

 - FAC-2 (1CC2)

 - DMU (1TV)

 - wiring

 2. Job Set-up Information
______________________
 A. Referenced Information
 -------------------------------------------------------------------------------
REFERENCE DESIGNATION
 -------------------------------------------------------------------------------
AMM 22-96-00-710-001 Operational Test of the AFS
 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)
 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, 5CC2, 14CC2 on the panel
____ 121VU and 5CC1, 14CC1 on the panel 49VU are closed during the test. _______________
4. Fault Isolation
　
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