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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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07/01/21

Message Overview:

Message Name:

ATC - MODE S EHS TRANSPONDER REPORT INCORRECT PRE-SELECT ALTITUDE TO GROUND STATION

Message Code: 345OBS003
Effectivity: All
System: Air Traffic Control (ATC) Transponder System
System Description: 34-54-00
Schematic Diagram: 34-54-00 [ Global Express ]  [ G5000 ]  [ GlobalXRS ]
Wiring Diagram: 34-54-01 [ Global Express ]  [ G5000 ]  [ Global XRS ]

Message Description:

Label 102 Pre-Select Altitude is not compatible with mode Mode S Enhanced Surveillance (EHS) Transponder.

Possible Causes:

  • Mode S Enhanced Surveillance (EHS) Transponder
  • Integrated Communication Unit (ICU) 1
  • Integrated Communication Unit (ICU) 2

Troubleshooting Tips:

Advisory Wire/Service Bulletin: None

Forum Articles/Infoservice/Newsletter:

Quick Links:

Configuration Setting of the VHF
Communication Units		 AMM 23-11-01-280-801 [ Global Express ]  [ G5000 ]  [ Global XRS ]
Removal of the VHF Communication Unit AMM 23-11-01-000-801 [ Global Express ]  [ G5000 ]  [ Global XRS ]
Installation of the VHF Communication Unit AMM 23-11-01-400-801 [ Global Express ]  [ G5000 ]  [ Global XRS ]
Wire Repair - Maintenance Practices - ALL SPM 20-12-10-02 [ Global Express ]  [ G5000 ]  [ Global XRS ]

Troubleshooting Recommendations:

  1. Make sure Mode S EHS Transponder (--665) is installed.
  2. Make sure jumper W8 in ICU 1 and ICU 2 strapping units are cut.
  3. Cut Jumpers W6 and W7 in ICU 1 and ICU 2 strapping units.
  4. Do close out.

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