DOC AIRBUS | TSM A320FZone Controller Pin Program Mismatch
TASK 21-63-00-810-831-A
Zone Controller Pin Program Mismatch
1. Possible Causes
A. Referenced Information
3. Fault Confirmation
Subtask 21-63-00-710-111-A ** ON A/C NOT FOR ALL
Subtask 21-63-00-810-115-A ** ON A/C NOT FOR ALL
[Rev.8 from Aug 2018]
2026.04.04 04:25:03 UTC
Zone Controller Pin Program Mismatch
1. Possible Causes
- wiring
- ZONE CONTROLLER [8HK]
A. Referenced Information
| REFERENCE | DESIGNATION |
|---|---|
| AMM 21-63-00-710-004 | Operational Test of the Cockpit and Cabin Temperature Control with CFDS/MCDU |
| ASM 216301 | |
| AMM 21-63-34-000-001 | Removal of the Zone Controller |
| AMM 21-63-34-400-001 | Installation of the Zone Controller |
Subtask 21-63-00-710-111-A ** ON A/C NOT FOR ALL
A. Do the operational test of the cockpit and cabin temperature-control system with CFDS/MCDU AMM 21-63-00-710-004.
4. Fault IsolationSubtask 21-63-00-810-115-A ** ON A/C NOT FOR ALL
A. If the test gives a different maintenance message, do the related trouble shooting procedure.
Subtask 21-63-00-810-116-B ** ON A/C NOT FOR ALL B. If the test gives the maintenance message ZC PIN PROGRAM MISMATCH:
(1) If the fault continues:
Subtask 21-63-00-710-112-A ** ON A/C NOT FOR ALL - do a check and repair the wiring at:
- the ZC (8HK) connector AB/3B to the GND,
- the ZC (8HK) connector AB/3K to the GND,
(1) If the fault continues:
- replace the ZONE CONTROLLER [8HK] AMM 21-63-34-000-001 and AMM 21-63-34-400-001.
C. Do the test given in Para. 3.