My Chamberlain Garage Door Opener Is Beeping Youtube . Many garage door opening systems comes with lighted control panels for the garage and it illuminates the entire room and can be worth their weight in gold for minor accidents. We design and engineer residential garage door openers commercial door operators and gate entry systems. If you want to get rid of beeping altogether, then you will … Beeping like a fire alarm - That’s a battery that needs to be replaced. If you look on the right side of the unit, there should be a battery door (secured by a single phillips screw). A beep every 30 seconds indicates that the battery inside the overhead motor unit is no longer working properly/cannot be charged. My garage door opener makes a beeping noise every 30 seconds. If your garage door is closing fully and then reversing to open again, then it may be due to a problem with the close-limit switch. How do I stop it? Otherwise the beeping is because your safety sensors are not aligned. Look for the led light on your garage door opener to see if this is the case. In order to fix this, you'll want to make small changes to the close-limit setting until the door opener knows to stop once the door has reached the floor. The explanation is typically simple and there’s usually a clear reason why the garage door opener is beeping. My chamberlain garage door opener is beeping. The reason your Chamberlain Garage door is beeping is that it is operating on battery power OR if it cannot recharge. If this is combined with beeping every 30 seconds, then your battery is running low. Garage door openers also consist of a battery backup or Wi-Fi connectivity that alert us by making a beeping sound.