Question about Liebert PowerSure ProActive PSA700 UPS System

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Is my Liebert PowerSure 700 dead? When turned on (and nothing attached), it beeps, tries to power up, clicks, and then beeps again, repeats the same sequence forever.

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Check the batts, unit will not start without good batts charged

Posted on Sep 15, 2009

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Posted on Jan 02, 2017

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We have a Liebert PowerSure 1400 we purchased few years back but never hooked up until recently - and when we did it was DEAD and out of warrantee. We tried replacing the battery cells - still no go. Short...


my problem is that when connecting and switching LEDs are lit intermittently "Fault indicator" and led A and B which means (in the manual) that is a failure of input or output short circuit n electronic technician but I do not get to any way to solve the problem. excuse my English I'm Latino

Jan 11, 2011 | Liebert PowerSure InterActive PS1400RM UPS...

1 Answer

My Liebert PSA itON 600 UPS keeps beeping when i turned it on


To figure out what's wrong with the UPS, first you have to do a few things.

When calculating the rating a UPS can handle, it's voltage x amperage. If it's Watts multiply the number by 1.67 to give the rating of the device.

Add up all the devices (use the power supply rating in the computer) as well as any other device, and add them up.

If this rating was exceeded, then you have overloaded the UPS. If it was too long that you did this, then you wore out the battery.

When a UPS beeps even when not connected, that means the battery is very weak.

If the battery is more than 3 years old, it will need to be changed. If the online tests of the unit were done and the battery doesn't need replacing, then other parts of the UPS need fixing.

Check the battery.

Jul 27, 2009 | Liebert PowerSure ProActive PSA700 UPS...

1 Answer

Liebert PS700MT-230


Emerson/Liebert do not release diagrams, if the u nit is less than 2yrs old it is still under warranty.

Jul 22, 2008 | Liebert PowerSure InterActive PS700MT...

2 Answers

Help with my liebert powersure interactive 1000?


The wiring fault light indicates that the polarity of your power outlet is wrong (positive and negative wires have been inverted) or that the ground is missing/faulty.

This have nothing to do with the configuration of the UPS. Unfortunately (for liability reasons), I have to tell you that the only person who can fix that is an electrician.

Just for testing, try plugging it into another power outlet elsewhere in your house to see if it is any different.

Feb 21, 2008 | Liebert PowerSure InterActive PS1000MT UPS...

1 Answer

Lieber PowerSure UPS


How does it react when you simulate a power lose? Unplugg it from the wall to test it to see if it turns to battery power. If the unit goes to the battery backup normally then check to see if it has a reset button on the unit. Please let me know what size unit it is.

Jan 14, 2008 | Liebert PowerSure PSI UPS System

1 Answer

Liebert Power Sure UPS


the battery is bad, you will need to replace the battery or the whole unit. you can find batteries on ebay. just source the model number. also depends on the size of the unit. you may need to just replace it...just a better value to do it that way.

good luck
K.

Jan 14, 2008 | Liebert PowerSure PSI UPS System

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