ECAM Indication only - AIR COND CTL 1-A FAULT

TASK 21-61-00-810-898-A
ECAM Indication only - AIR COND CTL 1-A FAULT

1. Possible Causes

2. Job Set-up Information
A. Referenced Information

REFERENCE	DESIGNATION
ASM 216103
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

3. Fault Confirmation
Subtask 21-61-00-710-192-A ** ON A/C NOT FOR ALL

A. Do a read out of the POST FLIGHT REPORT.

4. Fault Isolation
Subtask 21-61-00-810-241-A ** ON A/C NOT FOR ALL

A. If the POST FLIGHT REPORT shows the warning AIR COND CTL 1-A FAULT without any associated maintenance messages:

Do a check of the wiring ASM 216103 from,
the ACSC1 (47HH/C) pin 3 to the CB (51HH) (28VDC supply) and,
the ACSC1 (47HH/C) pin 4 to the CB (49HH) (115VAC supply).
If the fault continues:
replace the CONT-AIR COND SYSTEM 1 [47HH] AMM 21-61-34-000-002 and AMM 21-61-34-400-002.

Subtask 21-61-00-710-193-A ** ON A/C NOT FOR ALL

B. Do the procedure as in Para. 3. A.

[Rev.8 from Aug 2018] 2026.04.04 04:24:58 UTC