T5120, T5220, T5140, T5240: Server powered itself off and refuses to power on due to "Chassis cover removed." (Doc ID 2094200.1)

Last updated on APRIL 18, 2017

Applies to:

Sun SPARC Enterprise T5220 Server - Version Not Applicable and later
Sun SPARC Enterprise T5240 Server - Version Not Applicable and later
Sun SPARC Enterprise T5120 Server - Version Not Applicable and later
Sun SPARC Enterprise T5140 Server - Version Not Applicable and later
Information in this document applies to any platform.

Symptoms

Server refuses to power on and the SP event log shows several "Chassis cover removed." events but the server's chassis cover had not been touched.

Changes

There were no chances and also no maintenance work taking place.
The server suddenly powered itself off.

Cause

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