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(WARNING)
RED MESSAGE (CAUTION)
AMBER MESSAGE (ADVISORY)
CYAN MESSAGE (STATUS)
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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08/17/19

Message Overview:

Fault Message:

WINDOW HEATER/WRG/EVSHC (OPEN)

Fault Code:

3000108IN

Associated CAS:

EVS HEAT FAIL
(Caution)

Reporting LRU: Enhanced Vision System Heater Controller (EVSHC)
System Description: 34-33-00
Schematic Diagram: 34-33-00 [ Global Express ]  [ G5000 ]  [ Global XRS ]
Wiring Diagram: 34-33-03 [ Global Express ]  [ G5000 ]  [ Global XRS ]

Fault Description:

The Enhanced Vision System (EVS) Infrared Window (IRW) Heating Film has been detected opened by the Enhanced Vision System Heater Controller (EVSHC).

Possible Causes:

  • Infrared Window (IRW) (A320)
  • Enhanced Vision System Heater Controller (EVSHC) (A315)
  • Associated Wiring

Troubleshooting Tips:

Advisory Wire/Service Bulletin: None

Forum Articles/Infoservice/Newsletter: None

Quick Links:

Removal of the Enhanced Vision System (EVS)
Infrared Window (IRW)		 AMM 34-33-06-000-802 [ Global Express ]  [ G5000 ]  [ Global XRS ]
Installation of the Enhanced Vision System (EVS)
Infrared Window (IRW)		 AMM 34-33-06-400-802 [ Global Express ]  [ G5000 ]  [ Global XRS ]
Removal of the Enhanced Vision System (EVS)
Heater Controller		 AMM 34-33-09-000-801 [ Global Express ]  [ G5000 ]  [ Global XRS ]
Installation of the Enhanced Vision System (EVS)
Heater Controller		 AMM 34-33-09-400-801 [ Global Express ]  [ G5000 ]  [ Global XRS ]
Wire Repair - Maintenance Practices - ALL SPM 20-12-10-02 [ Global Express ]  [ G5000 ]  [ Global XRS ]

Troubleshooting Recommendations:

  1. Access and disconnect the EVS Heater Controller connector (A315P1) and the EVS Infrared Window connector (A320P1). Perform a wiring check as follows:
    NOTE: Make sure to check for short circuit to ground and short circuit between wires.

    From To Result
    A315P1-KK A320J1-C
    A315P1-BB A320J1-G

    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.

  2. Perform a resistance check of the Infrared Window Heater using the EVSHC Troubleshooting Table.
    NOTE: Nominal resistance between heater terminals is 44.08 Ω ±10%.

    1. If the resistance value is out of range, replace the EVS Infrared Window (IRW) and do close out.
    2. If the resistance value is good, continue with next step.

  3. Replace the EVS Heater Controller (EVSHC).
  4. Do close out.

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