a If the fault continues:
_
 - do a check for 28VDC at DEU mount 2011VUx connector A/8 28VDC at DEU mount 2011VUx connector A/5 GND at DEU mount 2011VUx connector A/4 (Ref. ASM 23-73/10) and (Ref. ASM 23-73/11) and repair the wiring if necessary.
 **ON A/C 001-049, 051-099, 101-105, 151-199, 201-299,
 C. Install the removed DIR-CIDS, 1 (101RH) (Ref. AMM TASK 23-73-34-400-001).
 **ON A/C ALL
 D. Do the test given in 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 ∞∞23-73-00∞∞∞∞∞∞∞∞∞∞Page 283
 Aug 01/05R
 CES

 TASK 23-73-00-810-832

 CIDS - Fault in CIDS TOP BUS 1 L
 1. Possible Causes
_______________
 - DIR-CIDS, 1 (101RH)

 - DIR-CIDS, 2 (102RH)

 - DEU-A (200RH25)

 - DEU-A (200RH21)

 - DEU-A (200RH17)

 - DEU-A (200RH13)

 - DEU-A (200RH9)

 - DEU-A (200RH5)

 - DEU-A (200RH1)

 - DEU-A (200RH15)

 - DEU-A (200RH11)

 - DEU-A (200RH7)

 - DEU-A (200RH3)

 - DEU TERMINATION BOX (209RH1)

 - DEU CONNECTION BOX (208RH13)

 - DEU CONNECTION BOX (208RH11)

 - DEU CONNECTION BOX (208RH7)

 - DEU CONNECTION BOX (208RH3)

 - DEU CONNECTION BOX (208RH1)

 - DEU-A (200RH23)

 - DEU-A (200RH19)

 - DEU CONNECTION BOX (208RH5)

 - DEU mount 2014VU3

 - DEU mount 2010VU21

 - wiring

 - DEU mount 2010VU17

 - DEU mount 2010VU13

 - DEU mount 2010VU9

 - DEU mount 2010VU5

 - DEU mount 2010VU1

 - DEU mount 2014 VU3

 - DEU mount 2014VU1

 - DEU mount 2010VU19

 - DEU CONNECTION BOX (208RH9)

 「一一一一一一一一一一一一一一一一一一一一一一一一一一一一一一一一一一一一一一一一一一一一一一一1 EFF : ALL ∞∞23-73-00∞∞∞∞∞∞∞∞∞∞Page 284
 Aug 01/05R
 CES

 2. Job Set-up Information
______________________
 A. Referenced Information
 -------------------------------------------------------------------------------REFERENCE DESIGNATION -------------------------------------------------------------------------------
AMM 23-73-00-740-005 BITE Test of the Cabin Intercommunication Data System (CIDS) through the CFDS AMM 23-73-00-740-010 Interface and Power-Up Test of the Cabin
 Intercommunication Data System (CIDS) via the CFDS AMM 23-73-34-000-001 Removal of the CIDS Director (101RH,102RH) AMM 23-73-34-400-001 Installation of the CIDS Director (101RH,102RH) AMM 23-73-42-000-001 Removal of the Connection Box AMM 23-73-42-400-001 Installation of the Connection Box AMM 23-73-43-000-001 Removal of the Termination Box AMM 23-73-43-400-001 Installation of the Termination Box AMM 23-73-46-000-001 Removal of the Decoder/Encoder Unit (DEU) A 200RH AMM 23-73-46-400-001 Installation of the Decoder/Encoder Unit (DEU) A
 200RH
 AMM 23-73-48-000-001 Removal of the DEU A / DEU B - Mount
 AMM 23-73-48-400-001 Installation of the DEU A / DEU B - Mount
 ASM 23-73/06

 3. Fault Confirmation
__________________
 **ON A/C 001-049, 051-099, 101-105, 151-199, 201-299,
 A. Test
 (1) Do the CIDS1/CIDS BUS test through the MCDU/CFDS.

 (2) Do the CIDS1/DEU-A test through the MCDU/CFDS.

R **ON A/C 106-149, 301-399, 401-499,
 A. Test
 (1) Do the CIDS Interface and Power-Up Test via the CFDS (Ref. AMM TASK 23-73-00-740-010).
 **ON A/C ALL
 4. Fault Isolation
_______________
 A. If the test gives a different maintenance message, do the trouble shooting procedure related to the maintenance message.
 「一一一一一一一一一一一一一一一一一一一一一一一一一一一一一一一一一一一一一一一一一一一一一一一1 EFF : ALL ∞∞23-73-00∞∞∞∞∞∞∞∞∞∞Page 285
 Aug 01/05 CES **ON A/C 001-049, 051-099, 101-105, 201-299,

 B. If the CIDS1/CIDS BUS test gives the maintenance message TOP LINE 1L:
 - remove the DIR-CIDS (101RH) (Ref. AMM TASK 23-73-34-000-001),

 - make sure that at least one cabin door is open,

 - close these CBs:
 49VU: 150RH (G02) CIDS/DIR 1 & 2/ESS,
 121VU:151RH (M05) CIDS/DIR 1 & 2/NORM,

 - wait for approx. 120 s,
　
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