Question about MGE Comet EXtreme 12kVA (891012-21) UPS System
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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Posted on Jan 02, 2017
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