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Home » Spaces » Racks, Rack Accessories, & Cooling » discussion » General » ACRD100 startup issue after temporary loss of utility power

ACRD100 startup issue after temporary loss of utility power

Discussion in Racks, Rack Accessories, & Cooling started by Blaine , 8/8/2017 7:18 PM
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  • herrchin
    Blaine
    New Member New Member
    Blaine 8/8/2017 7:18 PM

    We have 2 ACRD100 in-row cooling units. We lost utility power to the building for about a minute. On the restoration of power, both units wouldn't boot the control modules, with the units making several clicks a second, and the "output healthy" lights on the power supplies flashing with each click. The input healthy LED is solid. Opening the circuit breakers at the utility panel for a few minutes didn't do anything, but after leaving power disconnected for about 10 units, one of the 2 coolers recovered and is functioning normally. The other one is still stuck at the flashing condition, even after having power removed for over 30 minutes at a time. I made a video of the symptoms: https://goo.gl/photos/LM9XigzYSDBazEh97

  • L2SupportServices-Cooling
    L2SupportServices-Cooling
    =S= Representative
    L2SupportServices-Cooling 8/9/2017 1:07 PM (in response to Blaine)

    Hello Blaine. It sounds like you have have an bad motherboard on the unit. Please call into your local technical support and they can confirm if it is the motherboard and check on the warranty on the unit. Here is the link to the support phone number. you will need to choose your country to get the proper number.

    http://www.apc.com/us/en/support/contact-us/index.jsp

    Thank you

  • herrchin
    Blaine
    New Member New Member
    Blaine 8/9/2017 4:57 PM (in response to L2SupportServices-Cooling)

    Thank you, I will contact support. Any idea on why both units would initially show the same problem, but one unit recovered with no action from us other than removing power for a while, then reapplying power?

  • L2SupportServices-Cooling
    L2SupportServices-Cooling
    =S= Representative
    L2SupportServices-Cooling 8/10/2017 1:13 PM (in response to Blaine)

    Hello Blaine. Unfortunately there is no way to tell without troubleshooting the units. Technical support will be able to narrow it down and give you a better answer.

    Thank you

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