06/03/19
Message Overview:
Fault Message:
CPC2 [NO DATA] /ADC2 /WRG
Fault Code:
2138326ABG
Associated CAS:
| Reporting LRU: | Cabin Pressure Controller (CPC) 2 |
| System Description: | 21-31-00 |
| Schematic Diagram: | 21-31-00 [ Global Express ] [ G5000 ] [ Global XRS ] 34-11-00 [ Global Express ] [ G5000 ] [ Global XRS ] |
| Wiring Diagram: | 34-11-03 [ Global Express ] [ G5000 ] [ Global XRS ] |
Fault Description:
The Cabin Pressure Controller (CPC) 2 does not receive the ARINC 429 signal from Micro Air-Data Computers (MADC) 2.
Possible Causes:
- Cabin Pressure Controller (CPC) 2 (A22)
- Micro Air-Data Computer (MADC) 2 (A28)
- Associated Wiring
Troubleshooting Tips:
Advisory Wire/Service Bulletin: None
Forum Articles/Infoservice/Newsletter: None
Quick Links:
| Removal of the Cabin Pressure Controllers | AMM 21-31-01-000-801 [ Global Express ] [ G5000 ] [ Global XRS ] |
| Installation of the Cabin Pressure Controllers | AMM 21-31-01-400-801 [ Global Express ] [ G5000 ] [ Global XRS ] |
| Removal of the Micro Air-Data Computers | AMM 34-11-09-000-801 [ Global Express ] [ G5000 ] [ Global XRS ] |
| Installation of the Micro Air-Data Computers | AMM 34-11-09-400-801 [ Global Express ] [ G5000 ] [ Global XRS ] |
| Wire Repair - Maintenance Practices - ALL | SPM 20-12-10 [ Global Express ] [ G5000 ] [ Global XRS ] |
Troubleshooting Recommendations:
- Swap CPC 2 and CPC 1.
- If system checks are good, replace CPC 2 and do close out.
- If fault remains, continue with next step.
- Perform wiring checks of the wires between CPC2 and MADC2.
- If wiring checks are good, continue with next step.
- If wiring checks are not good, repair defective associated wiring and do close out.
- Replace MADC 2.
- Do close out.