I have a UILITMO 4 K BOX, 2FBC TUNERS 80CM MOTORISED DISH. I have changed the lnb thinking it was that the signal came back for five min the went again. i have checked the two cables gong to the box, the two going to the motor and from motor to lnb undone all connections all fine. all was working ok now nothing I have checked sat positions all ok before i lost signal