Excessive PSU temperatures on Sun Fire 4800 and E4900 servers (Doc ID 1352782.1)

Last updated on DECEMBER 15, 2016

Applies to:

Sun Fire 4800 Server - Version Not Applicable to Not Applicable [Release N/A]
Sun Fire E4900 Server - Version Not Applicable to Not Applicable [Release N/A]
Information in this document applies to any platform.

Symptoms

Elevated PSU temperatures which are not a result of high ambient temperatures or internal PSU fan failures.

WARNING: PS2 temperature is elevated indicating it may have a failed cooling fan.
PS2 48 VDC 0 Temp. 0 value: 54 Degrees C
Contact Oracle Support Services to check for PSU fan failure.

Cause

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