To isolate potential sources of interference turn the circuit breaker off to the garage and plug the garage door opener into an extension cord from another room.
Garage door opener losing range.
The batteries provide the power to send the signal.
You can also adjust a modern garage door opener s range by operating an external receiver.
This poor range situation.
While garage door opener remote.
A simple fix that might work for you if you are finding that you are having trouble with your garage door opener.
Because older garage door openers have outdated components you may have problems changing the range in an efficient manner.
Replace the battery or batteries in the remote control.
If the range improves then the interference is coming from a device in the garage.
A lower voltage in the battery.
Improve the performance of an opener and increase the range by adding an antenna extension that you can buy online or at electronics outlets.
Any electrical device can be the source of the problem.
If the process seems too challenging you should replace your old opener with a new gadget.
The visor mounted homelink garage door control has such poor range that the truck bumper must be nearly touching the garage door before the control will activate the door.