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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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For AOG assistance contact:

CRC Montreal (YUL)
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02/23/21

Message Overview:

Message Name:

HIGH POWER RELAY

Message Code:

B3-007985

Associated CAS:

None

Reporting LRU: SAT 2X00
System Description: 23-15-00
Schematic Diagram: None
Wiring Diagram: None

Message Description:

Top/Port BSU indicates HPR fault or starboard BSU indicates an HPR Fault.

Possible Causes:

  • High Power Relay (HPR)
  • Associated Wiring

Troubleshooting Tips:

Advisory Wire/Service Bulletin: None

Forum Articles/Infoservice/Newsletter: None

Fault Confirmation Procedure:

  1. Message# = 8
  2. Comp Id = A082
  3. Status = FAILED/WIRING
  4. {Term Definitions}

    1. SRT1-8 XX 350 00 EXCT XXXX-XXXX TXXX-XXXX XXXX-XXXX 350: 24;HI PWR RELAY

Quick Links:

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. Top/Port BSU indicates HPR Fault or starboard BSU indicates an HPR Fault.

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