20 Most Recent Powerware Best Power Unity/I Three-Phase UT340 UPS System Questions & Answers

Here is the documentation page: http://www.zoomerang.com/Survey/WEB22BKRKCECDW/
You can also contact Eaton. They purchased Powerware about 6 years ago. They retained the Best Power/Powerware service network and technicians:
Toll Free: 1 800 843 9433
International: +1 919 871 1800
E-mail: [email protected]

If you go to www.batteryinternational.com they can help you locate the correct battery for your UPS system. Hope that helps

Sounds like it is not regulating the voltage and current charging the batteries. Consult a service manual to look for a repair method.

Check the manual - https://powerquality.eaton.com/products-services/legacy/9120-info.asp?act=smtc&id=&key=&Quest_user_id=&leadg_Q_QRequired=&site=&menu=&cx=3&x=8&y=6

It either means the ground wire in extension cord is not there or is open. It could also mean that the outlet wasn't wired with a ground back to the panel.

plug it in

fixya has nothing but advice go google and type the details in the search box

can blow diodes in the alternator and ECM

You can check the battery fuse or the charging fuse. If it's more then that it's going to be a very costly fix.