NO TEMPERATURE SELECT AVAILABLE on Flight Attendant Panel (FAP)

TASK 23-73-71-810-802-A
NO TEMPERATURE SELECT AVAILABLE on Flight Attendant Panel (FAP)

1. Possible Causes

DIR-CIDS, 1 [101RH]
DIR-CIDS, 2 [102RH]
CONT-AIR COND SYSTEM 1 [47HH]
CONT-AIR COND SYSTEM 2 [57HH]
SDAC-1 [1WV1]

2. Job Set-up Information
A. Referenced Information

REFERENCE	DESIGNATION
AMM 21-61-34-000-002	Removal of the Air-Conditioning System Controller
AMM 21-61-34-400-002	Installation of the Air-Conditioning System Controller
AMM 23-73-00-740-005	BITE-Test of the Cabin Intercommunication Data System (CIDS) through the CFDS
AMM 23-73-34-000-001	Removal of the CIDS Director
AMM 23-73-34-400-001	Installation of the CIDS Director
AMM 31-55-34-000-001	Removal of the SDAC
AMM 31-55-34-400-001	Installation of the SDAC

3. Fault Confirmation
Subtask 23-73-71-710-051-A ** ON A/C NOT FOR ALL

A. In the cabin, on the FAP:

Go to the Cabin Temperature page.
If you see a blue card with the message "NO TEMPERATURE SELECT AVAILAVBLE", go to the Para. Fault Isolation.

4. Fault Isolation
Subtask 23-73-71-810-053-A ** ON A/C NOT FOR ALL

A. If there is confirmation of the fault:

Do the CIDS Interface and Power-Up Test via the CFDS AMM 23-73-00-740-005.

(1) If the test(s) give(s) a fault message related to the FAP or the DIR-CIDS 1 or DIR-CIDS 2:

Do the related fault isolation procedure.
Do the test given in Para. 3.

(2) If the test(s) does not give a fault message:

Do the test given in Para. 3.

Subtask 23-73-71-810-054-A ** ON A/C NOT FOR ALL

B. If the fault continues:
(1) Replace the DIR-CIDS, 1 [101RH] with DIR-CIDS, 2 [102RH] AMM 23-73-34-000-001 and AMM 23-73-34-400-001.
(2) Do the test given in Para. 3.
(a) If the fault does not continue:

Replace the initial DIR-CIDS, 1 [101RH] AMM 23-73-34-400-001.
Do the test given in Para. 3.

(b) If the fault continues:

Continue the trouble shooting procedure.

Subtask 23-73-71-810-055-A ** ON A/C NOT FOR ALL

C. If the fault continues:
(1) Replace the CONT-AIR COND SYSTEM 1 [47HH] with CONT-AIR COND SYSTEM 2 [57HH] AMM 21-61-34-000-002 and AMM 21-61-34-400-002.
(2) Do the test given in Para. 3.
(a) If the fault does not continue:

Replace the initial CONT-AIR COND SYSTEM 1 [47HH] AMM 21-61-34-400-002.
Do the test given in Para. 3.

(b) If the fault continues:

Continue the trouble shooting procedure.

Subtask 23-73-71-810-056-A ** ON A/C NOT FOR ALL

D. If the fault continues:
(1) Replace the SDAC-1 [1WV1] AMM 31-55-34-000-001 and AMM 31-55-34-400-001.
(2) Do the test given in Para. 3.

5. Close-up
Subtask 23-73-71-860-050-A ** ON A/C NOT FOR ALL

A. Put the aircraft back to the serviceable condition.
(1) Make sure that the work area is clean and clear of tools and other items.

[Rev.8 from Aug 2018] 2026.04.04 04:26:05 UTC