[rchippie]

I need help :005: .

I'm trying tp program my mamba max with no success. First im using 14 cells my ubec is connected at the circut board with a inline switch at the reciver, & the on board bec disconected. When i turn my esc while holding the trigger on my radio it beeps 4 times all the lights blink & i have no power at my steering servo. So how can i tell if my ubec is working