Craftsman garage door opener Model# 139.53664SRT The garage door opened fine but when I went to close it I just here a click followed a couple seconds later with another click. Why my garage door opener Continuous Blinking Green Light on Wall? If the button is bad, you can replace with a like replacement, or a simple doorbell button (although you will lose the ability to control the light or turn on security mode if your button offers those features). This is an electronic click sounds from the unit area. When you see you garage door opener lights flashing and the garage door will not close, it could be the LOCK button or the safety reversing sensors. If the door operates, either the wires weren't securely connected to the button, or it's gone bad. I have followed the instructions to unlock the door … If pressing the button on your garage door's remote control doesn't work, check the batteries first. Before calling the repair company and do some unnecessary spending, check the alignment of floor sensors by the garage doors as this is a factor that would make the green light to blink.You may also check whether or not the lock button is activated. The LED functions as a diagnostic indicator by slowly flashing a failure code continually every eight seconds until the fault is corrected, the garage door opener is reset, or the necessary parts are replaced. The light on the wall mount button flashes slowly and nothing I've tried makes a difference. 1. 2. The blinking is not consistent with the locked door functions. NOTE: If necessary, you can close the garage door by pressing and holding the door control push bar until down travel is completed. Start by checking if: On the garage door opener pictured below the LED light is between the square purple smart button and the purple antenna wire. It can still be raised and lowered by hand, but that ruins the point of having a powered garage door and a home automation system — so it’s important to figure out why the light is blinking and get it fixed so the door works right again. Blinking sensors on a garage door usually aren’t a good thing, because they’re often coupled with the garage door not working the way it should. Garage Door Light Flashing But Won't Close. Often when there’s a blinking green light, the door also won’t operate with the remote. Whether it won’t open, won’t close, or only responds intermittently, there’s a lot of frustration in a garage door that just won’t do what it should. Below are the steps I've taken to troubleshoot the problem. Simple but true, the remote transmitter needs power to send a signal to your opener.