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Multiple Fan Modules failing at the same time, on Sun SPARC Enterprise M4000 and Sun SPARC Enterprise M5000 servers (Doc ID 1567000.1)

Last updated on JUNE 28, 2019

Applies to:

Sun SPARC Enterprise M5000 Server - Version All Versions and later
Sun SPARC Enterprise M4000 Server - Version All Versions and later
Information in this document applies to any platform.

Symptoms

If a Fan Module suffers from Fan rotation speed getting below its predefined threshold,  or if a Fan Module has its  fans stopped completely, FMA will report SCF-8005-YH - Fan rotation speed lower than its predefined threshold or fan stopped completely . If multiple Fan Modules report this error at about the same point in time, it is very unlikely that multiple Fan modules are failing at the same time. Further analysis is needed, to determine if it is the Fan modules that are actually failing, or if it is the Fan Module Controller that is failing.

Multiple Fan Modules failing at about the same point in time, can be recognized at various data locations at the XSCF.

 

 

Changes

 

Cause

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