07/01/19
Message Overview:
Fault Message:
SPDA 2 FAILED(LEVEL C)R MICROPR/WRG
Fault Code:
2463207SPD
Associated CAS:
| Reporting LRU: | Electrical Management System Control and Display Unit (EMS CDU) 2 |
| System Description: | 24-60-00 |
| Schematic Diagram: | 24-62-01 [ Global Express ] [ G5000 ] [ Global XRS ] |
| Wiring Diagram: | 24-62-02 [ Global Express ] [ G5000 ] [ Global XRS ] |
Fault Description:
Electrical Management System Control and Display Unit (EMS CDU) 2 has detected a communication failure of Secondary Power Distribution Assembly (SPDA) 2 Channel B.
NOTE: Clear all short circuits prior to swapping or replacing LRUs.
Possible Causes:
- Secondary Power Distribution Assembly (SPDA) 2 (A14)
- Electrical Management System Control and Display Unit (EMS CDU) 2 (A91)
- Associated Wiring
Troubleshooting Tips:
Advisory Wire/Service Bulletin: None
Forum Articles/Infoservice/Newsletter: None
Whenever a SPDA or EMS CDU is disconnected/swapped following completion of task ensure Cabin Bus Feed C/B's are set back to ON. C/B's accessed control page #2.
Quick Links:
| Removal of the Secondary-Power Distribution Assemblies | AMM 24-62-01-000-801 [ Global Express ] [ G5000 ] [ Global XRS ] |
| Installation of the Secondary-Power Distribution Assemblies | AMM 24-62-01-400-801 [ Global Express ] [ G5000 ] [ Global XRS ] |
| Installation of the Electrical Management System Control-and-Display Units (EMS CDU) | AMM 24-70-01-400-801 [ Global Express ] [ G5000 ] [ Global XRS ] |
| Operational Test of the Electrical Management System Control-and-Display Units (EMS CDU) | AMM 24-70-01-710-801 [ Global Express ] [ G5000 ] [ Global XRS ] |
| Wire Repair - Maintenance Practices - ALL | SPM 20-12-10-02 [ Global Express ] [ G5000 ] [ Global XRS ] |
Troubleshooting Recommendations:
- Swap SPDA 2 with SPDA 1.
- If system checks are good, replace SPDA 2 and do close out.
- If fault remains, continue with next step.
- Perform wiring checks between SPDA 2 and EMS CDU 2.
- If wiring checks are not good, repair defective wiring as required and do close out.
- If wiring checks are good, continue with next step.
- Replace EMS CDU 2.
- Do close out.
