If UPS is displaying "Site Fault", it is doing its job correctly. Yoiu need to check the wall receptacle. Probably hot and neutral reversed by whom ever installed the wall receptacle.

Probably because polarity at the plug is reversed, check for that.
There is a red LED at the back of the unit, if it is lit, polarity at the plug is reversed, you will have to correct this.

The Live and Neutral wire on the input socket have been reverse. Once you undo this problem, the fault should go off.

Need more info on your problem. If it is displaying "Site Fault", then the UPS is doing its job and you have a problem with the wiring circuit to the UPS. Either you have no ground wire to the outlet, the hot and neutral to the outlet are reversed, or the neutral and the ground are reversed.

Hi, here is the documentation page for the 9120 where you can find the manual: http://powerquality.eaton.com/Products-services/legacy/9120-info.asp You can also contact customer support 800 356 5737 or [email protected]. You may recognize the product as the Powerware 9120 but Powerware was bought by Eaton a few years ago. The customer support team is most ex Powerware and are familiar with the 9120.

The Site Wiring Fault LED will indicate three status:
• Led On: The site wiring fault function is enabled and a site wiring fault is present.
• Led Off: The site wiring fault function is disabled.
• Led Flash: The Site wiring fault function is enabled and there is no site wiring fault.

When the input power is normal the Site wiring fault LED will flash.
• To disable this function, press the Site wiring fault LED button for 10 sec when the UPS is plugged in to wall power and the UPS is off.
• To enable this function, press the Site wiring fault LED button for 10 sec when the UPS is plugged in to wall power and the UPS is off.

Is the wiring fault light indicator lit? This means that the outlet that the unit is connected to is either not properly grounded, or has reversed wiring. First, try connecting the unit to another outlet. If the unit does not display the wiring fault light in the new outlet you will need to have an electrician correct the problem with the other faulty outlet.If it still displays the wiring fault more troubleshooting will be necessary to determine the cause

throw it inside water

If UPS is displaying "Site Fault", it is doing its job correctly. Yoiu need to check the wall receptacle. Probably hot and neutral reversed by whom ever installed the wall receptacle.

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.

As always when working with electricity, shut off the power. Use a circuit tester to make sure that the power is really off. Unscrew the receptacle's cover plate; be sure you get a replacement receptacle that's the correct type for your wiring?though most receptacles are standard, aluminum wiring should only be connected to receptacles designated CO-ALR. When installing the new receptacle, connect the black (hot) wire to the brass terminal screw, the white (neutral) wire to the silver screw, and the bare (ground) wire to the green ground screw. Unscrew the receptacle cover plate and unscrew the receptacle. Disconnect the wires from the terminals. Form a curl with a pair of needle-nose pliers so the wires hook clockwise around the screws, then tighten the terminal screws. Screw the receptacle to the box and add the cover plate.

"Reverse polarity" is the term used to describe the condition where electrical wires are connected to the wrong terminals of a receptacle; it's a common condition that can be hazardous if the "hot" side of your electrical system gets connected to certain types of lamps or equipment. It's common because it's an easy mistake to make when hooking up wires and because receptacles work fine even when the polarity is reversed. You generally don't know the condition exists unless you look for it. If you think you're home's wiring is a bit haphazard or may contain some conditions of reverse polarity, it's a good idea to check for it. You can buy a simple circuit tester for less than $20. Just plug it into all duplex receptacles; test both the top and bottom. If you discover reverse polarity: 1) Shut off the circuit breaker that serves that receptacle (the tester's lights will go out). 2) Unscrew the cover plate from the receptacle, and use a voltage tester to be sure none of the wires in the electrical box are still "hot." 3) Unscrew or release the wires from the receptacle and re-fasten them to the proper terminals--white to the silver (neutral terminal and black to the brass hot terminal. The bare or green wire should connect to the green screw. 4) Put the cover plate back on, turn the circuit back on, and test the receptacle again. Note: If the tester indicates reverse polarity but the wires are hooked up to the proper terminals, call an electrician.