@Jose: Did you ever get this resolved with CyberPower?
I think this unit is bad. I bought a similar item from Amazon in Dec 2017 and it also nearly set the house ablaze recently!
CyberPower CP1500PFCLCD PFC Sinewave UPS System, 1500VA/900W, 10 Outlets, AVR, Mini-Tower
It melted the casing off...