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Hi, The overload & fault leds come on at startup, no load is connected. Its an APC 10000 xli. I have fixed the +/-400V bus converter of. I get +293/-293VDC on the bus now.

Posted by Francesco Tanzarella on

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5 Related Answers

upspro

  • 25 Answers

SOURCE: APC BR800 Overload light with beeps

Your main control board is defective, you need a new unit.

Posted on Jul 11, 2009

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Jesrey Paco-in

  • 91 Answers

SOURCE: I have a APC BX900R. i HAVE REPLACED THE

Your UPS is having an internal problem, it should be an inverter problem. if you know how to troubleshoot up to component level try to open the UPS and check the power mosfets. if not bring your UPS to the service center.

Posted on Aug 14, 2009

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Jesrey Paco-in

  • 91 Answers

SOURCE: Overload light in APC RS 800 UPS

it seems that the inverter circuit of your UPS is dying. the solution here is you have to open up the UPS and check the inverter circuit. to make easier, check the power mosfet if its leaking.

Posted on Aug 14, 2009

Anonymous

  • 68 Answers

SOURCE: Overload LED lit, constant warning tone, no load

you may have to many things plugged into the ups, it is not good to plug a power bar into one of the outlets of one of these as you are OVERLOADING the device with more power than it can produce

Posted on Oct 24, 2009

Anonymous

  • 1 Answer

SOURCE: APC Back UPS RS-1000 Overload LED with beeping sound after on.

in the end solution is you have to bring it nearest apc service.
if you loaded more than its max. capacity at past, the sensor of power is geting burn the sequare wave generator IC.
so you need help with that, olso complicated.
I live the same position with my rs1000, horrible :((

Posted on Jan 09, 2010

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1answer

Apc ups surt 10000 xli internal fault what will cause it?

well look inside, see all that STUFF on the main board
any of that can and does fail.
for sure lightning hits.
xli, is international version
the main board is bad, unless batteries are bad.
see all this.
did you run powerchute app and see the errors first.? logs?

bad relays or any of this, see guts

https://www.pcdied.com/UPS/SMT-750/PCB1M2.JPG

the parts inside not only vary by base model.
but country
and versions. (evolved)
so parts are never easy to find, due to that and many parts inside like the MOSFET are contract parts in mine from Philips semi.
contract parts are special , many times they are a higher grade
just like MIL parts are,... same deal.

it needs service but who does that, lacking all I said above.
who?
1helpful
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APC 40kw screen shows #####

its data loss.shutdown and restart.
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Apc smart ups rt 10000 internal fault, what will cause it?

if you can give me the source code I can tell you. the code is going to be in the form of zero's and one's
0helpful
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Apc smart ups rt 10000 internal fault, what to look for?

you should check the inverter and the charger boards as well.
Mainly IGBTs and drivers (IGBT drivers).
better locate the fault and replace the defective board
0helpful
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What can you advice me to do? i have a UPS SURTD5000XLI, indicating a red Led light, but when i remove it from the AC power source, the Red Led also remove & when i flog it again to the AC Source it...

Is red light on for overload or for battery?
If on overload, try reducing the load on the UPS. If red light on overload persists buy a new UPS (overload fault hard to repair).

Red light on battery - replace the batteries.

Red light on boost or buck, may mean that the nominal voltage of ups and the limits need to be changed/corrected.
1helpful
1answer

Overload led constantly blinking

The Overload relay may be faulty. Replace the overload relay. Althernatively turn in the UPS to an expert since there is life power in the circuits.
3helpful
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Overload LED lit, constant warning tone, no load

you may have to many things plugged into the ups, it is not good to plug a power bar into one of the outlets of one of these as you are OVERLOADING the device with more power than it can produce
0helpful
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APC smart UPS

APC is not really the best product, and if it did have a problem like have, at such a small desposable size, your best soluiton is get another one, and a better brand.

www.storminprotection.com check out my page that should help you. You overloaded your system and did damage it prior to the fact that now it shows over load all the time. Get a bigger unit.
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