Question about APC Smart-UPS 1000VA UPS System

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I AM FACING A BIG PROBLEM IN MODEL NO.1500 UPS THERE PROBLEM IS I AM INPUT A GENERATER POWER SUPPLY SO YOUR UPS IS NOT WORKING BUT IT'S WORKING IN MAIN POWER SUPPLY SO YOU SEND ME PROPER SOULATION

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You can also adjust the sensitivity of your UPS so that it will accept the Generator's supply. I had to set ours to low sensitivity to get them to work. Depending on your UPS model, you can either connect to it with the supplied USB cable and run powerchute software to set the sensitivity to low, or some models allow you to adjust sensitivity on the front panel. Good Luck!

Posted on Jul 01, 2009

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Your Generator is not supplying a clean enough AC voltage and the UPS is unable to handle it.

Some Gennies supplies are very rough especially the cheaper end of the market.

The likes of Honda do conform to as near to cable fed mains as you can get.

You may be able to get a filter which will smooth out the ripple effect on the Gennies supply so you would power the UPS from the filter and the filter from the Gennie

Posted on Jun 16, 2009

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- If the input voltage is determined to be unsafe for your computer equipment, the UPS will transfer to On Battery. The alarm will stop once the unit returns to On Line operation. Please refer to the technical specification section of your user manual for the acceptable voltage window. Occasional transfers to On Battery should not be a matter of concern, but rather, should be considered normal operation. The UPS is trying to provide clean, safe, and reliable power. If your unit shipped with APC management software it may be possible to change the default acceptable voltages that the unit shipped with. Please see the help section of the APC management software for instruction to do this.

- If the Frequency deviates + or - 5 % this will also cause a Back-UPS product to transfer to battery power. Frequency distortions are most commonly caused by generators that are undersized. Always make sure a generator is 3 to 5 times the size of the total load attached to unsure it can maintain a steady output frequency. There is no way to change the +/- 5% deviation.

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