Hi, I just purchased a home that has this device to turn on two pumps and two lights. When I first tried it, everything worked from 75 yards away. A couple of weeks later and the only way I can get the mini controller to work is by plugging it in to the receptacle on the panel the four switches are located. And then, only the two pumps come on. I cannot turn on the lights manually now also. Please help me. The technical support from X 10 hasn’t been much of a help. Thank you