On most of the newer garage door openers there is a little led light next to the learn button on the back of the opener.
Signal interference with garage door opener.
If this is the case a new control panel may be your best bet.
Try straightening the antenna wire and then testing your garage door opener remotes to see if that fixes the issue.
There are several things that can be done to figure out where the interference originates.
The location of the garage door openers signal may be blocked by some of the other devices in your home running on the same frequency.
One way is trial and error or simply moving suspect devices or turning them off one by one.
The genie girud 1t universal conversion kit was made to fix this issue.
Generally when it comes to garage door openers it s ensuring that you use a professional garage door service to minimize this from happening.
Unfortunately if the control panel for your garage door opener is older it may be more prone to radio frequency interference.
Some garage door openers may only work on a single frequency this kit is a dual frequency upgrade so if there is frequency interference on the 390mhz most commonly used in garage door openers then it will automatically switch to a 315mhz.
First you have to identify what is causing the interference.
For instance the liftmaster 888lm offers the ability to monitor and control your garage door right from your smartphone including the opener lights and more.
Sometimes the garage door opener antenna could be struggling to receive your signals perhaps because it is bent or misshapen.
Radio frequency interference with garage door openers can be avoided.
Aside from household appliance being housed near a cell phone tower or airports can also cause interference to your garage door opener.