E450 PCF8574 failed

From: Shixin Zhang (sxzhang@schiele.mit.edu)
Date: Wed May 22 2002 - 15:30:01 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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