04/18/22
Message Overview:
Message Name:
FADEC [DE-PRIME VLV DRVR OPEN CKT]
Message Code:
4960290APU
Associated CAS:
| Reporting LRU: | Full-Authority Digital Engine-Controller (FADEC) |
| System Description: | 49-60-00 |
| Schematic Diagram: | 49-61-00 [ Global Express ] [ G5000 ] [ Global XRS ] |
| Wiring Diagram: | 49-12-01 [ Global Express ] [ G5000 ] [ Global XRS ] 49-61-01 [ Global Express ] [ G5000 ] [ Global XRS ] |
Message Description:
No power to De-Prime Solenoid from the Full Authority Digital Engine Controller (FADEC), indicates a possible internal driver open circuit.
Possible Causes:
- Auxiliary Power Unit (APU) Full-Authority Digital Engine-Controller (FADEC) (A108)
Troubleshooting Tips:
Advisory Wire/Service Bulletin: None
Forum Articles/Infoservice/Newsletter: None
No power to De-Prime solenoid Valve. Abnormal/slow APU starts at cold temperature.
Quick Links:
| Access to Active Faults | AMM 45-45-00-970-802 [ Global Express ] [ G5000 ] [ Global XRS ] |
| Access to Stored Faults | AMM 45-45-00-970-803 [ Global Express ] [ G5000 ] [ Global XRS ] |
| Removal of the Full-Authority Digital Engine-Controller (FADEC) | AMM 49-61-01-000-801 [ Global Express ] [ G5000 ] [ Global XRS ] |
| Installation of the Full-Authority Digital Engine-Controller (FADEC) | AMM 49-61-01-400-801 [ Global Express ] [ G5000 ] [ Global XRS ] |
| Stowage of Electrical Wiring - Maintenance Practices - ALL | SPM 20-12-05-02 [ Global Express ] [ G5000 ] [ Global XRS ] |
| Wire Repair - Maintenance Practices - ALL | SPM 20-12-10-02 [ Global Express ] [ G5000 ] [ Global XRS ] |
Troubleshooting Recommendations:
- Re-rack the APU FADEC and verify condition of connector A108BP1, as well as the APU FADEC mounting tray connectors for damage or contamination.
- If damage/contamination is found, repair/rectify as required and do close out.
- If damage not found, continue with next step.
- Replace the APU FADEC.
- Do close out.
