Question about MGE Comet EXtreme 12kVA (891012-21) UPS System

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Hi The electronic fault is ON then I heared an exlosion on my UPS comet extreme 6Kva. The Ups can be operate but it can charge my batteries. what can be the problem? mabe the diodes? thanks

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The fault means that there was something wrong with the ground wire. I would assume the capacitor was leaking and bulged which is why you had the fault in the first place.

The sound is probably the capacitor exploding.

This sucks but if it's still working fine, I would would just go with it until it completely dies, which is not that likely, but you will always have the fault light on and probably a beeping indicator.

Posted on Oct 13, 2010

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My comet s11 is not giving back up on batteries while there is no indication for batteries side.

The battery should charge as you use the ups. If they don't then its likely the battery/s have failed. Lead acid batteries do not like being left discharged for any length of time. In a motor vehicle the battery gets a bit of shaking around, but in an ups they don't. If not used and left discharged, the plates quickly sulfate up reducing their efficiency to nearly zero. Test and replace any battery that cannot support a test load. Use a battery discharge tester, a bright 12v light or a 12v soldering iron or similar load for testing your batteries.

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I mean how to connect a batteries to UPS when their is more numbers

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Maybe you have many overvoltage situations at your area, that the UPS can't handle. It's a good idea to put before the ups an overvoltage protection or a stabilizer. Ask the manufacture for the overvoltage protection of the ups that can handle.


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Output of power bank 6kva ups getting interrupted intermittentiatly.


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good luck...

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