Best Technologies UPS manual LI660va or LI660

OK, so I had a problem running down an error code on an old Best Technologies Fortress LI660 UPS.  Code was “A 4” which turned out to be “Alarm” code 4. Just means I have a battery going bad. I think this UPS takes two 12V batteries.

I like this UPS, easy to read buttons, shows Voltage out and Line in and whether you are in a brownout condition.

Manual is here. best-power-fortress-li-user-manual

I found other Best UPS manuals here http://www.powerprosinc.com/user-manuals.html

 

Hope this helps someone else.


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