If the remote works from inside the garage but not from the outside then most likely the antenna wire on the garage door opener itself may be damaged broken or not in visible range.
Garage door remote will not open door.
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Many garage doors have a powerful torsion spring located horizontally above the door.
Remote control or wall station is not programmed.
The door will always open and close with the wall opener.
When the door is lowered the spring winds up tightly creating a pulling force that helps lift the door up.
The antenna on the motor could be damaged or blocked from the signal.
These prevent the operation of the garage door opener with hand held remotes.
To unlock the lock feature hold your finger on the lock button for 10 seconds the green light will stop blinking and become steady.
Quickly test the quality of your opener s wiring by following these steps.
When the liftmaster wall station is locked you will notice a blinking green light in the center of the large white push button.
In the morning when i am leaving in the car the door will open with any of the 3 devices.
I have a 10 year old craftsman garage door opener model 1239 53675srt2 with a wall opener keypad remote and car remote.
Check the battery in your remote operator by walking into the garage holding it in your hand.
This is not a common problem but it does happen sometimes.
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.
I back the car out and then the 2 remotes will not work to close the door.
Press the button as you observe a small blinking red light on the box where the chain enters and exits.
When your garage door won t open with the remote there are few things that can cause this problem.
Make sure it is hanging down from the motor.
Garage door opener not working.
If the door opens with the wall switch a simple battery.
Garage door opener has no power.