Jul 25, 2018 - It can also be a security problem when it opens to expose your belongings when you aren't home. A garage door that begins to close on its own . Sep 5, 2012 - In some rare cases, a garage door will open or close by itself, even if the homeowner hasn't instructed the automatic garage door opener to do . May 17, 2016 - If it didn't open randomly before you changed the frequency (to avoid your . you likely have a partially fried garage door opener motherboard. One morning after a thunderstorm, I noticed that our garage door was open. I know I'd closed it the night before. Now the door periodically opens all by itself. Equipment that is nearby your home operating on the same frequency as your garage door opener can also cause the door to spontaneously open and close. Feb 20, 2018 - Learn Liftmaster garage door opener troubleshooting and other repair tips for . Build your skills with online classes from the pros at DIY University› . the emergency release cord and lift the door to see if it opens and closes smoothly. . A receiver replaces the radio frequency the opener uses with its own. 2 days ago - With the door closed, pull the emergency release cord and lift the door to see if it opens and closes smoothly. If it doesn't, the problem is with . In most cases, when a garage door opens or closes by itself, or when you find your door open, upon returning home, the problem is due to a short somewhere. Jun 5, 2014 - To help you troubleshoot your garage door issues, here are the top 10 . If you find that your garage door opens and closes randomly when you're not even . It may also not be a bad idea to proactively wipe down your garage door . If either spring is broken, the garage door opener may struggle to lift the . Dec 14, 2017 - I experience several times since I got the opener from amazon on Aug 10,2017. I was thinking may be I accidentally touched the control button .