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CPU_FAN_SLOW

 
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moonchild
Regular Advisor

CPU_FAN_SLOW

rp8420, STM is reporting CPU_FAN_FAILURE
MP logs show the following:

Log Entry 12367: 11/27/2006 11:05:00
Alert level 3: Warning
Keyword: CPU_FAN_SLOW
CPU fan failing
Reporting Entity: Processor Dependent Hardware Controller located in cabinet 0
Physical Location: Processor fan cabinet 0 cell 1 cpu 0
0x64800b4d01e00085 0x00ffff01ff00ff12
0x6b000b4d01e00086 0x01000000456ac65c

Log Entry 12366: 11/27/2006 09:51:50
Alert level 2: Informational
Keyword: CPU_FAN_OK
CPU fan is reporting OK status
Reporting Entity: Processor Dependent Hardware Controller located in cabinet 0
Physical Location: Processor fan cabinet 0 cell 1 cpu 0
0x4480112201e00083 0x00ffff01ff00ff12
0x4b00112201e00084 0x01000000456ab536

CM>PS shows no failures what so ever.

sysrev: fw ver. 3.0

Any recommendation?

Thank you in advance
5 REPLIES 5
Sandy Chen
Honored Contributor

Re: CPU_FAN_SLOW

Hi,

Have you checked any things stuck in the fan? I've experienced this twice, first is when there were plastic stuck in the middle of the fan, second is when the fan itself that started to failing and we have to replace the fan

regards,
Sandy
I never think of the future. It comes soon enough.
Prashanth.D.S
Honored Contributor
Solution

Re: CPU_FAN_SLOW

Hi There,

It seems that the CPU 0 has got a fan which is about fail at any point of time, i would rather suggest you to have it replaced.

Adding to this the system firmware version is old 3.0 and is no more support, recommend you to update to latest i.e., 3.3.

Best Regards,
Prashanth
Peter Godron
Honored Contributor

Re: CPU_FAN_SLOW

Hi,
check the fan for damage etc. Is is actually running slower than the rest ? Any more messages ? I'd be on the safe side and get the fan replaced.

Having one fan down can be a problem, as when the CPU gets too hot, the machine will shut down.

For error message:
http://docs.hp.com/en/diag/ems/dm_chassis.htm
(Event 1422)

And for somebody who really had some fun with fans:
http://forums1.itrc.hp.com/service/forums/questionanswer.do?threadId=251008
moonchild
Regular Advisor

Re: CPU_FAN_SLOW

Can we only replace the fan without the CPU?
Michael Steele_2
Honored Contributor

Re: CPU_FAN_SLOW

question: Is the fan spinning?
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