08/09/21
Message Overview:
Message Name:
PIN PROGRAMMING DISAGREE
Message Code:
B3-006922
Associated CAS:
| Reporting LRU: | IASC2 TST A |
| System Description: | 21-61-00 |
| Schematic Diagram: | None |
| Wiring Diagram: | None |
Message Description:
Both channels A & B of the IASC-2 detect a pin programming disagreement.
Possible Causes:
- Integrated Air System Controller (IASC-2) (A56)
- Associated Wiring
Troubleshooting Tips:
Advisory Wire/Service Bulletin: None
Forum Articles/Infoservice/Newsletter: None
Fault Confirmation Procedure:
- Message# = 13
- Fault Logged = AIR,TAXI
- Status = FAILED
- Message Type = Fault Message
- {Term Definitions}
- IAS2A-84 XX 354 10 EXCT XXXX-XXXX XXXX-XXXX XXXX-XTXX 354A: 11; PIN PROGRAMMING DISAGRE
- IAS2A-93 XX 354 11 EXCT XXXX-XXXX XXXX-XXXX XXXX-XTXX 354B: 11; PIN PROGRAMMING DISAGREE
Quick Links:
| Removal of the Integrated Air System (IAS) Controller | AMM 21-31-01-000-801 |
| Installation of the Integrated Air System (IAS) Controller | AMM 21-31-01-400-801 |
| Operational Test of the Integrated Air System (IAS) Controller | AMM 21-31-01-710-801 |
| Standard Practices - Replace Wiring | SPM 20-12-00-02 |
| Standard Practices - Wire Repair | SPM 20-12-10-02 |
Troubleshooting Recommendations:
- Both channels A & B of the IASC-2 detect a pin programming disagreement.
- Check wiring.