Pin Program Disagree Fault
TASK 21-58-00-810-808-A
Pin Program Disagree Fault
1. Possible Causes
2. Job Set-up Information
A. Referenced Information
3. Fault Confirmation
Subtask 21-58-00-710-064-A ** ON A/C NOT FOR ALL
Subtask 21-58-00-810-057-A ** ON A/C NOT FOR ALL
[Rev.8 from Aug 2018]
2026.04.04 04:24:50 UTC
Pin Program Disagree Fault
1. Possible Causes
2. Job Set-up Information
A. Referenced Information
| REFERENCE | DESIGNATION |
|---|---|
| ASM 215301 | |
| AMM 21-58-00-710-001 | Operational Test of the Conditioned Service Air System without Bleed Air |
| AMM 21-58-34-000-001 | Removal of the CSAS Control Unit |
| AMM 21-58-34-400-001 | Installation of the CSAS Control Unit |
| ASM 471101 | |
| AMM 47-31-34-000-001 | Removal of the IGGS Controller Unit |
| AMM 47-31-34-400-001 | Installation of the IGGS Controller Unit |
Subtask 21-58-00-710-064-A ** ON A/C NOT FOR ALL
A. Do the operational test of the conditioned service air system without bleed air AMM 21-58-00-710-001.
Subtask 21-58-00-860-050-A ** ON A/C NOT FOR ALL B. Do a read out of the CSAS / IGGS specific data page on the MCDU
4. Fault Isolation| ACTION | RESULT |
|---|---|
| 1.On the AIR COND menu page: | On the MCDU: |
|
|
| 2.On the CSAS/IGGS menu page: | |
|
|
Subtask 21-58-00-810-057-A ** ON A/C NOT FOR ALL
A. If the test gives the maintenance message PIN PROG DISAGREE and the CSAS column on the SPECIFIC DATA page shows PIN A330 or PIN A3423 or PIN A3456:
Subtask 21-58-00-810-072-A ** ON A/C NOT FOR ALL - do a check and repair the wiring from:
- the CSAS CONTROL UNIT (100HW) pin program AK5 to ground,
- the CSAS CONTROL UNIT (100HW) pin program AK6 to open circuit,
- the CSAS CONTROL UNIT (100HW) pin program AK7 to ground,
- the CSAS CONTROL UNIT (100HW) pin program AK8 to open circuit ASM 215301.
- replace the CSAS CONTROL UNIT [100HW] AMM 21-58-34-000-001 and AMM 21-58-34-400-001.
B. If the test gives the maintenance message PIN PROG DISAGREE and the IGGS column on the SPECIFIC DATA page shows PIN A330 or PIN A3423 or PIN A3456:
Subtask 21-58-00-710-065-A ** ON A/C NOT FOR ALL - do a check and repair the wiring from:
- the IGGS CONTROL UNIT (1YA) pin program A/73 to pin A/40,
- the IGGS CONTROL UNIT (1YA) pin program A/62 to open circuit,
- the IGGS CONTROL UNIT (1YA) pin program A/85 to pin A/40,
- the IGGS CONTROL UNIT (1YA) pin program A/74 to pin A/40,
- the IGGS CONTROL UNIT (1YA) pin program A/63 to pin A/40 ASM 471101.
- replace the IGGS CTL UNIT [1YA] AMM 47-31-34-000-001 and AMM 47-31-34-400-001.
C. Do the test as given in the Para. 3.A.