Question about Ultra Products 1000 VA 600 WATTS Backup UPS w/ AVR (ULT31502) UPS System

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1000 VA 600W-S/N:20436760610. Unit failed after

Ultra 1000 VA 600W-S/N:20436760610. Unit failed after less than 2 years use. Wattage well below allowable parameters. Unit will not even pass through voltage to usable components. Attempts to turn on results in short "beep", and fast blink of purple pilot then, nothing. Any suggestions?

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I have gone through a few UPS, Im lucky to get 3 to 4 minutes if my power is cut.
I think most people plug too much into the UPS sockets.
The Battery backup protected sockets cant take the drain from everything over a prolonged period of time.
The nature of rechargable batteries means that when plugged permanently into a power supply they get damaged (li-on batterys especially).
Im afraid i cant help with this UPS, looks like you need a new 1.
I now only have my PC/Monitor/modem and router plugged into the UPS protected sockets.
Speakers / printer and other stuff are plugged into the unprotected sockets.

Posted on Jul 20, 2010


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This is more than likely what has happened . I am going to guess that your original low voltage trasformer was a 120 volt .6KW. Or 600watt transformer that has one lead from it to the lights . The newer less expensive transformer is also 600 watts , but the new one may have 2 sets of wire terminals on the back( 4 screws ). If this is the case , you have a transformer that is 600 watts output but it has 2 seperate 300 watt outputs that won't run 600 watts from 1 set of output screws . You will have to seperate the lighting load and may have to run an additional low voltage wire to half of your lights . In other words . Put 300 watts of light on 1 set of 12volt output screws and 300 watts on the other se of output screws .that will solve your issue . Good luck and enjoy your lights again . John

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