SOURCE: My Sears Craftsman Model 139 53684 Keyless remote
Make sure that when inserting the 9 volt battery that those red & black wires are not somehow pinched, twisted or stretched. I just fixed mine... The battery terminal was crushing one of the wires and preventing the battery to supply power to the keypad. I found it out by NOT securing the battery case door and my opener worked fine. Securing the battery case door with the screw and thightening, my opener DID NOT WORK. It was that simploe of a FIX!
SOURCE: Craftsman Keyless Entry Pad 03100431 programing
If you do not have the instructions that came with it, you might have to track them down online. Go to the Craftsman website and search the model number. Unfortunately, they all program differently!
Also, be sure to check the balance of your garage door to ensure that the springs are properly counter-balancing the weight of the garage door. If the springs are fatigued and the door is heavy, the lifespan of the garage door opener will be significantly shortened. You can find some maintenance tips and tricks at our website.
SOURCE: I need to replace my
Google "61LM". You will find it or its equivalent for sale on the internet.
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