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Sun Fire[TM] 12K/15K/20K/25K: Esmd reports false voltage alarms on HPCI boards (Doc ID 1020543.1)

Last updated on APRIL 14, 2021

Applies to:

Sun Fire 12K Server - Version All Versions and later
Sun Fire 15K Server - Version All Versions and later
Sun Fire E20K Server - Version All Versions and later
Sun Fire E25K Server - Version All Versions and later
All Platforms

Symptoms

Following messages are seen on the SC, indicating a problem with the HPCI board.

>  A high voltage has been detected on -12VDC, located on HPCI at IO#. The voltage detected is -11.07v; should be -12.60v to -11.40v. HPCI at IO# is being deconfigured and powered off. Check all hardware for the cause.
>  Power off of HPCI at IO# is required because its status measurements have exceeded normal operational limits. A shutdown request has been made to the dependent domain(s).
>  Domain B environmental error notification received; environmental emergency handler initiated.

May 20 12:38:06 2008 <HOSTNAME> esmd[19157]-B(): [1920 34768845761702477 ERR DetectorV.cc 622] A high voltage has been detected on -12VDC, located on HPCI at IO3. The voltage detected is -11.07v; should be -12.60v to -11.40v. HPCI at IO3 is being deconfigured and powered off. Check all hardware for the cause.

Changes

 

Cause

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