There are quite a few things that could cause this to happen.
Only one garage door remote works.
First check the batteries within the remote itself to be sure they still carry a charge powerful enough to operate the remote.
Even after putting new batteries in the remote the garage door still is not.
If the remote works only when held within a few feet of the motor unit rf interference is probably the problem.
When i returned from work today i pushed the button on my remote garage door opener but the door didn t budge.
The garage door opener remote only works up close.
Unplug the opener that is not having a range issue.
Check to be sure the antenna is attached and if it is not hanging down from the unit move the antenna so it can catch the beam being sent by the remote please note that the antenna on some garage door openers.
When the garage door opener works intermittently the logic board may be experiencing radio frequency rf interference from nearby sources such as security lights ham radios and some electronics.
Your home s garage door is likely your most frequently used entrance so it s normal for your garage door system to experience functionality issues.
When you re coming home after a long day at work or running errands you press your garage door opener remote only to find the door won t respond.
There are several reasons why your remote might not operate correctly.
A garage door opener remote is a convenient tool but when it only works at close distances or stops working altogether it can be frustrating.
One of the most common causes is rfi or radio frequency interference.
If the garage door opener is installed in a metal building you will need to install an antenna extension.