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APC UPS. not working

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  • 28-11-2012 7:57pm
    #1
    technoboi
    Registered Users Posts: 42 ✭


    hi.
    i am after pulling a old ups out of storage and trying to get it working again.
    its a APC smart ups 700 series. model no. su700inet.
    when i plug in the ups (with & without load) the overload light comes on and the ups emits a loud tone. the battery has two bars left in it and the fuse is not pushed out at the back.
    i have searched online and there hasn't been much there for this problem. one forum says to replace the overload relay. i have opened the ups and found the relay it seems to be fine. the relay is a SCHRACK RP920124.
    thanks in advance to everyone that helps.
    rick
    Tagged:


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    #2
    ATMAddict
    Registered Users Posts: 64 ✭✭ATMAddict


    technoboi wrote: »
    hi.
    i am after pulling a old ups out of storage and trying to get it working again.
    its a APC smart ups 700 series. model no. su700inet.
    when i plug in the ups (with & without load) the overload light comes on and the ups emits a loud tone. the battery has two bars left in it and the fuse is not pushed out at the back.
    i have searched online and there hasn't been much there for this problem. one forum says to replace the overload relay. i have opened the ups and found the relay it seems to be fine. the relay is a SCHRACK RP920124.
    thanks in advance to everyone that helps.
    rick

    Hi,

    I had a similar issue recently with the 750 smart UPS from APC.
    What i did was mute the alarm and left the unit plugged in for 24 hours and when I loaded the unit it seemed to work fine( and has since, no reported issues)
    I've no idea why it happened, it was a new unit from the box, but all worked out fine.
    It could be the battery needs a time to charge properly before loading.

    Thanks
    Robbie


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    #3
    technoboi
    Registered Users Posts: 42 ✭technoboi


    ATMAddict wrote: »
    Hi,

    I had a similar issue recently with the 750 smart UPS from APC.
    What i did was mute the alarm and left the unit plugged in for 24 hours and when I loaded the unit it seemed to work fine( and has since, no reported issues)
    I've no idea why it happened, it was a new unit from the box, but all worked out fine.
    It could be the battery needs a time to charge properly before loading.

    Thanks
    Robbie
    thanks very much for your reply Robbie.
    how did you mute the alarm?


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    #4
    carter2
    Registered Users Posts: 19 ✭carter2


    If the battery is old then it might need to be replaced.


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    #5
    technoboi
    Registered Users Posts: 42 ✭technoboi


    carter2 wrote: »
    If the battery is old then it might need to be replaced.

    i have looked at buying a battery pack but it will cost over €50 and what if the ups still doesn't work after that?
    I think that the battery has nothing to do with this problem because it shows two bars for battery health.
    kind regards
    rick


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    #6
    coylemj
    Registered Users Posts: 25,455 ✭✭✭✭coylemj


    It's a lead acid battery so in storage it would have deteriorated, no question about it. I accept that there could also be a component problem but I'd be 99% certain that the battery is permanently shagged.


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    #7
    technoboi
    Registered Users Posts: 42 ✭technoboi


    coylemj wrote: »
    It's a lead acid battery so in storage it would have deteriorated, no question about it. I accept that there could also be a component problem but I'd be 99% certain that the battery is permanently shagged.

    i agree that the battery might be dead, but i dont think ill spend the money on a new one until i get the overload problem sorted.


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    #8
    carter2
    Registered Users Posts: 19 ✭carter2


    Don't wait till the overload problem gets sorted out as it may damage the UPS completely!


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    #9
    technoboi
    Registered Users Posts: 42 ✭technoboi


    Just got back from a friends house where i pluged in another battery and
    IT Worked.

    The battery must have been damaged or the voltage was too low.
    Thanks everyone who helped me in the search for a solution.

    Kind Regards
    Ricky


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    #10
    biko
    Registered Users Posts: 81,220 ✭✭✭✭biko


    Product is discontinued but you can still find software and documentation etc on
    http://www.apc.com/resource/include/techspec_index.cfm?base_sku=su700inet

    Test it out once it's fully charged, just in case.


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    #11
    technoboi
    Registered Users Posts: 42 ✭technoboi


    just to be sure, will 2 of these batteries would be ok to power the ups?
    CSB UPS12360-7F2
    link


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    #12
    biko
    Registered Users Posts: 81,220 ✭✭✭✭biko


    It uses an RBC5 battery.
    I can't say whether your CSB battery is a good replacement, maybe the seller will be able to say.


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    #13
    technoboi
    Registered Users Posts: 42 ✭technoboi


    Hi all.

    I got the batteries last weekend, and they fit in fine and connect however.
    When i plug in the batteries and turned on the ups. the lights come on like they should but the overload light comes on again.
    What is happening now is a bit different to what happened before i put in the new batteries.

    I have uploaded a video showing what happens. http://youtu.be/48rsMpd0OvQ
    The video shows what happens when NO load is connected, the same thing happens when plugged out and still NO load connected.
    When i connect a load no power gets through and the same process happens but a lot faster.

    Thanks in advance for any help.

    Kind Regards
    Rick


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