Question about APC Smart-UPS 1000VA UPS System

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APC Smart-UPS RT 1000VA

Hello Dear Specialists

We have a problem with the APC Smart-UPS RT 1000VA: when we insert the power plug in the wall outlet in one way UPS make the short circuit, if we rotate the plug 180 degrees it is working ok. It is looks like that neutral is conected to ground wire.
So I would like to check with the circuit diagram for that device is it normaly or not. Could you please suggest where it is possible to find the circuit diagram for APC Smart-UPS RT 1000VA?

Best regards


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Hello Dear Specialists I have a problem with the APC Smart-UPS smart 1000VA: when I insert the
power plug in the wall outlet in one ups , indicate the AVR Boost ups regulating low AC voltage, when I measuring the AC city power voltage that is 207v .whey this ups is not working about the AC low voltage? ,but it should be work from (170v ~ 230v) AC input volte.please solve this problem, which element of AVR from the ups is failed or wrong and give me free circuit diagram low & high AVR and charger and inverter circuits. thanks allot

Posted on Jun 17, 2009

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Please u see the diagram apc1000va sua free

Posted on Mar 14, 2013

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I have a complete diagram APC UPS
Dean Arhafidzia on Face book

Posted on Aug 27, 2012

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Posted on Jan 02, 2017

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I have a similar unit and there is a fuse inside that can blow. Mine did. It worked again after replacing the fuse.

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