Liebert UPStation GXT2700RT-208 (GXT2700RT-208B) UPS System "80kva" Questions

I Have an 80KVA APC Symmetra PX and one of the power module is not working I already change position with other power module and still not working Hello Please clarify. If you change the suspected ...

A Eaton 9315 ups 80kVA has Inverter failure and AC Output Over voltage. Any help? Sound like IGBT. It's a black block looking device mounted directly on the heat sink of the inverter leg. Remember you