E450 PCF8574 failed

From: Shixin Zhang (sxzhang@MIT.EDU)
Date: Wed May 22 2002 - 15:21:33 EDT


We have a SUN E450. It has a problem.

The error message is:

  Read from PCF8574(FPM) failed
  read of LM75 failed
  Unix: warning: write to PCF8574 failed, addr=70
  Fan Fail is 0x79, retries=3.
  PS Fan number 0 Failed.
  Fan Failure(s), system shutdown.
  (Fatal System Environmental control Error)

I saw the message
http://www.sunmanagers.org/pipermail/sunmanagers/2001-May/003095.html post
on 10 May 2001.
But I couldn't find the responses about the post. Actually we have the
similar problem as that.

How can we fix that?
We appreciate your help very much.

Thanks,

Shixin Johnson
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