Modern garage door motors have radio receivers that operate at 315 mhz.
Garage door opener remote works intermittently.
While replacing the batteries be sure to clean the electrical contacts since this may be another cause.
First check the batteries within the remote itself to be sure they still carry a charge powerful enough to operate the remote.
We use them every day but most people don t know how garage door remotes work.
There are a few reasons for your remote control not to work.
Before you can go about fixing your garage door remote you ll need to know how it works in the first place.
The lock button is on.
When you click your garage door remote it sends a signal to the opener.
Locate and eliminate the source of the rf interference.
Liftmaster remote not working.
The hand held remote controls and wired door control operate independently so it is not uncommon for one device to work while the other does not.
To reprogram your garage door remote locate then press your opener s learn button.
Garage door remotes are actually radio transmitters.
Garages garage door openers work shops sheds breezeways and carports liftmaster garage door opener remotes work intermittently hi all.
If all remotes are working intermittently or stop working there may be interference.
The garage door opener remote only works up close.
If the remote works only when held within a few feet of the motor unit rf interference is probably the problem.
You have to literally stand right under the opener and press the remote several times to get the door to open.
Then within 30 seconds hold the button on your remote for three seconds or until garage door opener s lights flash or the led light on your opener blinks.
Try using your remote to open or close your door to determine if the reprogramming was successful.
I am new to the forum and no better way to start.
It seems the signal may not be strong enough to activate the opener.
Most modern garage door remotes transmit at 315 mhz.
There are quite a few things that could cause this to happen.
Your remote is a radio transmitter.
Door openers and more is your source for garage door and automatic gate openers remote controls.
The wall switch for my garage door opener works all the time but sometimes my remotes will not work properly.
As well as many lessor known compatible units that work just as well as the brand names for a fraction of the price.