Why Does My Garage Door Start Closing And Then Go Back

https://www.diigo.com/item/note/85mr3/r6oe?k=1a742d4ed53634a1a562a7f117b6878a

<p class="p__1">Every garage door opener comes with a detach switch in case you lose power. This allows you to open or close the door manually so your vehicle isn't stuck in the garage until the power returns on.