I just bought a house a few months ago and my craftsman 1/2 hp opener has given me so many problems (139.53636SRT). Initially it was the sensors and I was getting the lcikcing and lights flashing, but once I aligned the sensors, no problem (I have consistent green LEDs on the sensors). Now what is happening (and I htink this started soon after I plugged in a second light bulb into the unit- the previous owner only had 1 plugged in) is when I hit the button, the lights dim, I hear a buzz until I let go of the button. I have asked this question all around and seen many others ask it, but I haven't seen any answers. Can someone please help!!!!
one person has noted that it might be my Starter Cap. Does that sound right? and if so, how do I replace it? Thanks.