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.
SOURCE: Powerware 9120 DC Bus Fault Problem.
there is a 100uf/63v capacitor near the IRF630 fet. You need to replace this in order to fix this error. Along there is also a 2200uf/16v capacitor. It is a good idea to change the both at the same time.
SOURCE: powerware ups mod #PW9120100i
You have to turn socket of ups power cord 180 degrees, because the ups is measuring voltage between ground and ac-line.
SOURCE: We have alarm led red on, in UPS Power ware 9155
a red alarm on a ups normally means the batteries are dead. you will need to order and replace the batteries in the UPS.
Thanks
SOURCE: we want to know the
Eaton does not publish that type information on their website but here is the product page: www.eaton.com/9155 You can contact them directly for service and replacement parts:
Toll Free: 1 800 843 9433
International: +1 919 871 1800
E-mail (Hardware): [email protected]
SOURCE: I am having a site wiring fault on a powerware 5115
UPS require constant power. Meaning they provide minimal (time)
power to save work and shut shut down properly. The generator would have to run 24/7.
If UPS is displaying "Site Fault", it is doing its job correctly. You need to check the wall receptacle. Probably hot and neutral reversed, or the neutral and ground are reversed, by whom ever installed the wall receptacle. You need to have the plug-in for the UPS intact, i.e. the ground pin must not have been cut off. If an extension cord connects the UPS to the wall, thge cord must be working correctly.
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