Question about HP Compaq ProLiant DL360 G3 Server

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HP proliant dl 360 g3 error code 1611 cpu fan failure

Hi there,
I have a HP proliant dl 360 g3 server that I use to host a small radio station. The other night it went down so I went to check to see what's up. I first tried cntl alt delete to use the monitor to see whats wrong but nothing, montior was blank but the server was still running. So I tried to reboot by powering down then unplugged it, then powered it back up still nothing on screen. Next I powered it back off and then changed monitors and opened it up to check connections ect then poweredd it back up. This time the monitor came on and the startup sequence began but just after it recognizes the cpu it beeps and then says, ''an unexpected shutdown occured prior to this power up. 1611 CPU zone fan assembly failure detected. fan solution not sufficient'' a small led on the board is lit that indicates a fan problem as well as the top led on the front of the server is now red.
I looked and all fans seem to be working ok. I removed the asssembly and blew them out really good with compressed air as well as all the vents and everything else but I still get the error and it won't let it boot up or even get far enough to access anything.
Is there really a fan problem or is it stuck from this ''prior unexpected shut down'' and just needs to be bumped past this problem?

Posted by on

  • dj_dave71 Feb 03, 2009

    Thanks Eric, but there is no fan directly on or under the heatsink itself, atleast not on the g3. but a set or assembly of four fans that are aimed straight at it blowing across it. All appear to be working at least spinning, pulled then reinserted plugs, blew everything out real good, still nothing. It all looked good but still failed to boot up. So I was kind of thinking maybe it was something that may need to be reset because of the part of the error message that said, "a "prior" unexpected shutdown occured.

    But the botom line is this my friend, I managed to borrow another dl360 from a friend and swapped the fan assemblies and it worked fine. So I don't know what the problem was or still is but I guess it answered my question of whether there was a problem with asembly like it said or if it was something from a prior unexpected shutdown that just needed to be reset.

    Any ideas on how to check which of the fans is the bad one considering all are spinning?

    Thanks for the reply


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Remove all 6 fans, and then remove the fan rack itself. Then tighten the 2 pcb thumb-screws underneath. I believe this is sometimes the reason for false 'failed fan' reports.

Posted on Sep 11, 2010

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It is possible the fan on the heatsink for the CPU is broken but make sure you check the small power plug for that fan before replacing it. If it is broken make sure you dont run the server or else you could permanently damage the CPU for the server.

Posted on Feb 02, 2009

  • EricDaniels
    EricDaniels Feb 03, 2009

    When you get back onto your OS, go over to and get the program and it should let you monitor each fan and its respective real time RPM


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