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WHITE MESSAGE Require immediate crew attention. These messages are accompanied by flashing master warning, triple chime attenson with or without voice message or dedicated tone. Require immediate crew awareness and future crew action may be required in the form of alternate system selection or performance limitation. These message are accompanied by flashing master caution and a single chime. Indicate safe or normal system operation which require crew awareness, over and above the dark cockpit philosophy. Indicate minor failures or reduction in systems capability, which require no crew action.

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09/23/19

Message Overview:

Fault Message:

OPEN CKT-INL DR LIN ACTR/CL RLY WRG

Fault Code:

4960310APU

Associated CAS:

None

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: 49-61-01 [ Global Express ]  [ G5000 ]  [ Global XRS ]

Fault Description:

The signals from the open relay, in the Linear Actuator, to the Full-Authority Digital Engine-Controller (FADEC) are out of the expected range. This shows a possible open in the Linear Actuator open-relay or the aircraft wiring harness.

Possible Causes:

  • Linear Actuator (A199)
  • Associated Wiring

Troubleshooting Tips:

Advisory Wire/Service Bulletin: None

Forum Articles/Infoservice/Newsletter: None

Quick Links:

Access to Active Faults AMM 45-45-00-970-802 [ Global Express ]  [ G5000 ]  [ Global XRS ]
APU Safety Precautions AMM 49-00-00-910-801 [ Global Express ]  [ G5000 ]  [ Global XRS ]
Removal of the Linear Actuator AMM 49-14-05-000-801 [ Global Express ]  [ G5000 ]  [ Global XRS ]
Installation of the Linear Actuator AMM 49-14-05-400-801 [ 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 ]
Wire Repair - Maintenance Practices - ALL SPM 20-12-10-02 [ Global Express ]  [ G5000 ]  [ Global XRS ]

Troubleshooting Recommendations:

  1. Examine the linear actuator (A199) receptacle for contamination and damage.

    1. If there is contamination or damage, go to step 6.
    2. If there is no contamination or damage, continue with next step.

  2. If OPEN CKT-INL DR LIN ACTR/CL RLY WRG still shows on the CAIMS PMAT, perform wiring check between aircraft wiring harness connector (P803) and linear actuator connector (A199P1).

    1. If wiring checks are not good, repair defective wiring as required and do close out.
    2. If wiring checks are good, continue with next step.

  3. If OPEN CKT-INL DR LIN ACTR/CL RLY WRG still shows on the CAIMS PMAT, perform wiring check between aircraft wiring harness connector (J803) and FADEC connector (A108BP1).

    1. If wiring checks are not good, repair defective wiring as required and do close out.
    2. If wiring checks are good, continue with next step.

  4. If OPEN CKT-INL DR LIN ACTR/CL RLY WRG still shows on the CAIMS PMAT, perform wiring check between aircraft wiring harness connector (J803) and APU starter-contactor assembly connector (A48P1).

    1. If wiring checks are not good, repair defective wiring as required and do close out.
    2. If wiring checks are good, continue with next step.

  5. If OPEN CKT-INL DR LIN ACTR/CL RLY WRG still shows on the CAIMS PMAT, check for 28 volts minimum on the APU starter-contactor assembly (A48) receptacle A48P1-e.

    1. If voltage check is good, do close out.
    2. If voltage check is not good, continue with next step.

  6. Replace linear actuator (A199).
  7. Do close out.

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