It will travel down but hits bottom and reverses. The sensors at the bottom of the doorway are on. there is nothing in the way of it closing.
Get Garage Door Sensor
Garage Door Remotealignment amp batteries blink blog button down chamberlain chamberlain garage door clicker click sound craftsman craftsman garage door opener diagnosis dirt doors garage door garage door opener garage door openers garage doors garage opener gears genie genie garage door home depot hp hp garage light flashes logic board motion sensor quot red light remote control remotes reset button sears sears craftsman garage door opener sensor light sensor lights sensors sun sunlight thanks in advance wall switch wall unit weather
Garage Door Opener Clicker