Question about Ultra (ULT31502) UPS System

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My ULT31502 UPS failed so dramatically that the brownout reset my cable box and the clock on my microwave (both on different circuits). I turned it back on and it beeped once but did not emit the two short beeps a few seconds later that it used to. UPSMon told me that the battery was cycling between 59% and 68% of full charge, and when I removed the batteries, one was 12 volts and the other only 9. Obviously, one of the batteries has a shorted cell but I am worried that the failure was so dramatic that the unit might now be useless if I replace it (or them). Any suggestions/info

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Replace both batteries, not just one. You can even find slightly larger capacity batteries on e-Bay that are the same physical dimensions, pay close attention to getting ones that are the same physical size. I was not aware that you could use the PC ultra UPS units without going through a computer because there is no way to install the program CD that comes with it. Do not be surprised if you find the one with the lower voltage is split open, the good news is that gel cell batteries generally do not leak anything out that would damage the UPS. Don't worry, just replace the batteries with good Gel Cell Type and you will be OK. The cost of the new batteries is not exactly cheap, but they can be higher capacity yet still the same physical size from some of the suppliers.

Posted on Jul 31, 2012

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Hello

Remove the plug from the wall outlet and wait about 10 seconds before re-inserting it. The plug must be firmly inserted to transfer electricity to the appliance.


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Plug a different appliance into the same outlet to make sure the outlet you are using is functional. Plug the microwave into a different outlet to see if this yields different results.


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1 Answer

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Remove the plug from the wall outlet and wait about 10 seconds before re-inserting it. The plug must be firmly inserted to transfer electricity to the appliance.


Open your home's circuit breaker box and reset the breaker if it has tripped and is set to the "Off" position. Simply slide the breaker over to the "On" position to fix a breaker that has tripped.


Plug a different appliance into the same outlet to make sure the outlet you are using is functional. Plug the microwave into a different outlet to see if this yields different results.


Press on the microwave door to ensure it is completely closed. The microwave will not function until the door is fully shut.


Press the "Start" pad on the display panel after setting the time. Failing to press this will result in the microwave not knowing that it should start.


Press the "Stop/Reset" pad on the panel if a program different from the program you want to run has already been entered into the system.


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1 Answer

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