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HP9000 L2000 fan failures

 
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lunatic_09
Occasional Visitor

HP9000 L2000 fan failures

Hi,

I've got an L2000 which doesn't boot up, because it assumes that fans 0 and 1 have failed. It starts with fan 1 and the system runs until fan0 is also reported as failed. Then the machine shuts down. I can however feel that both fans are working just fine. I've been looking for solutions and found that this may be caused by a broken platform monitor card. Is there any way to be sure about this? I found hints that there was a revised version of the platform monitor that might fix those problems. If I have to hunt for a replacement part, how can I know if it's the old or the new version? Right now, all I have is the part number "A5191-60010"

thanks,
Dennis
8 REPLIES 8
Andrew Rutter
Honored Contributor

Re: HP9000 L2000 fan failures

hi,

first what are the colours on the leds of the fans? they should be green, but do they turn orange when failing?

it could be the platform monitor board, but may also be bad seating or dirty connections and even the firmware of the L2000

what is the firmware version do you know? also it help to look at the leds on the platform card when trying to boot it.

I do not know if the fix was in the later platform monitor cards, or if yours has just failed, but here is the revision of part numbers

A5191-60010 first release
replaced by
A5191-60110/69110 which was then
replaced by
A5191-60210/69210

so you have the original one, but we have many still running with the original card in without problem.


Andy
Torsten.
Acclaimed Contributor

Re: HP9000 L2000 fan failures

Fan 0 is in the front, fan 1 at the rear side. What happens if you swap them?

Fan are also "failed" if they are too slow.

Hope this helps!
Regards
Torsten.

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lunatic_09
Occasional Visitor

Re: HP9000 L2000 fan failures

Hi,

The L2000 is at Firmware Version 41.39. The GSP is: " Hardware Revision 8 Firmware Revision A.01.12 Oct 23 2002,13:53:42 "

I tried swapping the fans. Now fan0 fails first with fan1 being second. I already tried reseating all the components and cables. I don't understand this, because you can clearly here and feel that those fans are running.

I can try copying the GSP output:

Power Monitor Status:
Firmware Revision : 5
System Power state: Off Power Switch : On
Temperature : Normal Selected fan state: Normal

Power supplies | Fan
# State Type | States
-----------------------------------------------------------
0 Normal Type 0 | Failure
1 Normal Type 0 | Failure
2 Fault Type 0 | Normal
3 - - | Normal
4 - - | Normal
5 - - | Normal
6 - - | Normal
7 - - | Normal



***** EARLY BOOT VFP : SYSTEM ALERT *****
SYSTEM NAME: XXXXX
DATE: 07/28/2010 TIME: 10:36:18
ALERT LEVEL: 6 = Boot possible, pending failure - action required

REASON FOR ALERT
SOURCE: 6 = platform
SOURCE DETAIL: 3 = cabinet fan SOURCE ID: 0
PROBLEM DETAIL: 4 = fan failure

LEDs: RUN ATTENTION FAULT REMOTE POWER
FLASH OFF OFF ON ON
LED State: Running non-OS code. (i.e. Boot or Diagnostics)

0x002000646300405F 00000000 00000000 - type 0 = Data Field Unused
0x582008646300405F 00006E06 1C0A2412 - type 11 = Timestamp 07/28/2010 10:36:18
A/a: ack read of this entry - Q/q: quit Virtual Front Panel Display
Anything else redisplay the log entry

************* SYSTEM ALERT **************
SYSTEM NAME: XXXXX
DATE: 07/28/2010 TIME: 10:38:36
ALERT LEVEL: 14 = Fatal power or environmental problem prevents operation

REASON FOR ALERT
SOURCE: 6 = platform
SOURCE DETAIL: 3 = cabinet fan SOURCE ID: FF
PROBLEM DETAIL: 6 = insufficient # of fans

LEDs: RUN ATTENTION FAULT REMOTE POWER
OFF OFF OFF OFF FLASH
System Power is Off.

0x002000E663FF405F 00000000 00000000 - type 0 = Data Field Unused
0x582008E663FF405F 00006E06 1C0A2624 - type 11 = Timestamp 07/28/2010 10:38:36
A: ack read of this entry - X: Disable all future alert messages
Anything else skip redisplay the log entry



Dennis
Torsten.
Acclaimed Contributor

Re: HP9000 L2000 fan failures

As said, a dirty fan may be too slow (but still running) and failed for this reason.

Unfortunately I don't know a way to get the current rpm or the threshold.

Hope this helps!
Regards
Torsten.

__________________________________________________
There are only 10 types of people in the world -
those who understand binary, and those who don't.

__________________________________________________
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lunatic_09
Occasional Visitor

Re: HP9000 L2000 fan failures

The fans look pretty clean. However, I changed the fans back and now, Fan1 is the one that fails first again. I also noticed that this particular fan is the noisiest of all, no matter whether it is used as fan0 or 1. I think I will try replacing the fans first. I wonder if it's possible to open the metal casing and replace the fan inside. Getting an original HP replacement part might be very difficult.

anyway, thanks.
Andrew Rutter
Honored Contributor
Solution

Re: HP9000 L2000 fan failures

hi, the parts are still easy to get from HP resellers

part number of the fan is A5191-04002

http://partsurfer.hp.com/ShowPhoto.aspx?partnumber=A5191-04002


swapping the fans is good way to start.

I would also look at the PSU's as your last output shows PSU 2 as faulty

Andy
lunatic_09
Occasional Visitor

Re: HP9000 L2000 fan failures

Thanks for the part number. That helps, because I haven't found a part number on the fans.
The faulty power supply is easy. Plugging in the power cable helps :-)
lunatic_09
Occasional Visitor

Re: HP9000 L2000 fan failures

I have replaced the first fan and now, the system seems to run fine. The second fan is not even reported as failed anymore. thanks. Knowing the HP part number of the chassis fan was extremely helpful. thanks.