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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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04/26/21

Message Overview:

Message Name:

HONEYWELL ASPIRE-100 CONNECTION TIMEOUTS

Identifier: 231OBS002
Effectivity: AIRCRAFT: 20501 - 20999
System: Communication
Associated CAS: None
System Description: 23-14-00
Schematic Diagram: 23-15-00
Wiring Diagram: 23-15-01

Message Description:

Operators may experience no Internet access through the Inmarsat System.

Honeywell Aspire-100 Cabin Services Unit (CSU) and Rockwell Collins SAT-2200 Satellite Data Unit (SDU) may experience random connection timeouts between both units when powered up.

Possible Causes:

  • Honeywell Aspire-100 Cabin Services Unit (CSU)
  • Rockwell Collins SAT-2200 Satellite Data Unit (SDU) (A82)

Troubleshooting Tips:

Advisory Wire/Service Bulletin:

  • AW300-23-0274 - Honeywell Aspire-100 Cabin Services Unit Connection Timeouts
  • AW300-23-0374 - Cabin Service Unit (CSU) "POST will run soon" issue
  • AW300-44-0334 - Honeywell Aspire 100 and Lufthansa NICE HD compatibility Issue

Forum Articles/Infoservice/Newsletter: None

Quick Links:

Component Location for the SATCOM System AMM 23-15-00-992-801
Removal of the SATCOM Satellite Data Unit (SDU) AMM 23-15-01-000-801
Installation of the SATCOM Satellite Data Unit (SDU) AMM 23-15-01-400-801
Wiring - Maintenance Practices - ALL SPM 20-12-00-02
Wire Repair - Maintenance Practices - ALL SPM 20-12-10-02
Electrical Connectors - Maintenance Practice - ALL SPM 20-20-00-02

Troubleshooting Recommendations:

  1. This issue can occur because the Wide Area Network (WAN) port of Honeywell Aspire-100 CSU may not connect to the Local Area Network (LAN) port of Rockwell Collins SAT-200 (SDU).
  2. This timeout condition occurs to the CSU when the aircraft is being powered up only. Once the connection is established, there is no issue until next power cycle of the aircraft.

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