[SUMMARY] Re: Low input voltage warnings on T5240 PSU's.

From: Matthew Stier <Matthew.Stier_at_us.fujitsu.com>
Date: Thu May 21 2009 - 11:38:09 EDT
A long delayed thanks to:

    Sean Franklin

Who suggested rebooting the T5240's service processor.  Once rebooted 
'prtdiag' initially reported everything as "Unknown" but in a matter of 
minutes, everything reported 'Ok', including the power supply input power.

Note: Some reported that the T5240 may require 240VAC power, but this is 
limited to "full" drive configuration.  Apparently, using 240VAC is the 
only method available to keep current demand through the power supplies 
within specifications, when all 16 drive bays are filled. Since my 
system had only 2 drives, this was not an issue.

Matthew Stier wrote:
> I haven't seen any reports on this, but my new T5240 is reporting low 
> input voltage (115.1 volts) on both of the power supplies.  Has anyone 
> else seen this?
>
> My UPS is only 35% loaded, and the whip the T5240 is connected to is far 
> from being taxed.
>
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Received on Fri May 22 19:07:16 2009

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