I have a two door garage, all of a sudden the remotes stopped working unless you stand right under them. Replacing batteries did not help for two weeks, then all of a sudden they start working. I could open both doors from the street and in the house for the last week. Now, one won't open until standing under the opener, the other is hit and miss after pressing the button about 50 times. They all of a sudden stopped working and then all of a sudden started working and now back to stopped working..AAARRRGGHH! I even bought a new remote during the non-working period. Same thing, would only work standing underneath the opener. The openers are 15 years old. Time for new garage door openers?