CFDS - Mandatory Layout or Emergency Mode in use

TASK 23-73-00-810-903-A
CFDS - Mandatory Layout or Emergency Mode in use

1. Possible Causes

PROGRAMMING AND TEST PANEL [110RH]
wiring
DIR-CIDS, 1 [101RH]
MODULE-CABIN ASSIGNMENT [115RH]

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
ASM 237309
AMM 23-73-18-000-001	Removal of the Programming and Test Panel
AMM 23-73-18-400-001	Installation of the Programming and Test Panel
AMM 23-73-19-000-001	Removal of the Cabin Assignment Module
AMM 23-73-19-400-001	Installation of the Cabin Assignment Module
AMM 23-73-34-000-001	Removal of the CIDS Director
AMM 23-73-34-400-001	Installation of the CIDS Director

3. Fault Confirmation
Subtask 23-73-00-710-295-A ** ON A/C NOT FOR ALL

A. Test
(1) Do the CIDS BITE test AMM 23-73-00-740-005.
(2) On CFDS select:

<SYSTEM REPORT/TEST
<COM
<CIDS1
<TEST

4. Fault Isolation
Subtask 23-73-00-810-609-A ** ON A/C NOT FOR ALL

A. If the test gives a different maintenance message, do the trouble shooting procedure related to the maintenance message.

Subtask 23-73-00-810-610-A ** ON A/C NOT FOR ALL

B. If the CIDS1 - TEST gives the maintenance message MANDATORY LAYOUT OR EMERGENCY MODE IN USE and on the GROUND SCANNING page the message NO PTP DATA:

replace the PROGRAMMING AND TEST PANEL [110RH] AMM 23-73-18-000-001 and AMM 23-73-18-400-001.

(1) If the fault continues:

do a check and repair the wiring between:
CB 161RH and PTP connector A/17,
DIR-CIDS (101RH) connector AA/F12 and PTP (110RH) connector A/1,
DIR_CIDS (101RH) connector AA/G12 and PTP (110RH) connector A/2,
DIR-CIDS (102RH) connector AA/F12 and PTP (110RH) connector A/6,
DIR-CIDS (102RH) connector AA/G12 and PTP (110RH) connector A/7,
DIR-CIDS (101RH) connector AA/J12 and PTP (100RH) connector A/4,
DIR-CIDS (101RH) connector AA/K12 and PTP (110RH) connector A/5,
DIR-CIDS (102RH) connector AA/J12 and PTP (110RH) connector A/4,
DIR-CIDS (102RH) connector AA/K12 and PTP (110RH) connector A/5,
PTP (110RH) connector A/3 and GND,
PTP (110RH) connector A/8 and GND,
PTP (110RH) connector A/16 and GND ASM 237309.

(2) If the fault continues:

replace the DIR-CIDS, 1 [101RH] AMM 23-73-34-000-001 and AMM 23-73-34-400-001.

Subtask 23-73-00-810-611-A ** ON A/C NOT FOR ALL

C. If the CIDS1 - TEST gives the maintenance message MANDATORY LAYOUT OR EMERGENCY MODE IN USE and on the GROUND SCANNING page the message NO CAM DATA:

replace the MODULE-CABIN ASSIGNMENT [115RH] AMM 23-73-19-000-001 and AMM 23-73-19-400-001.

5. Close-up
Subtask 23-73-00-710-296-A ** ON A/C NOT FOR ALL

A. Do the test given in Para. 3.A.

[Rev.8 from Aug 2018] 2026.04.04 04:25:56 UTC