Quickly test the quality of your opener s wiring by following these steps.
Garage door won t open with remote.
These prevent the operation of the garage door opener with hand held remotes.
Unplug the opener and disconnect the two wires from the motor reconnect your machine to power then clear its memory and reprogram all remote controls unplug the device for a second time and reconnect the control wiring to.
The antenna on the motor could be damaged or blocked from the signal.
If that doesn t work and you still have a nonworking remote you may want to have a professional examine it.
If the door opens the problem is likely a worn out battery in your remote.
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.
You might be out of range.
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.
To unlock the lock feature hold your finger on the lock button for 10 seconds the green light will stop blinking and become steady.
If your garage door won t open with remote activation the problem could be the result of an expired battery in your remote transmitter.
The first thing to check is the transmission receiver on the inside wall of your garage.
Press the button as you observe a small blinking red light on the box where the chain enters and exits.
When the liftmaster wall station is locked you will notice a blinking green light in the center of the large white push button.
If the door opens when you press the button on the wall mounted control keypad but not when you use the remote you might have just pinpointed the source of the problem.
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When you manually push the button on the receiver does the door activate.
When your garage door won t open with the remote there are few things that can cause this problem.
Try resetting the remote.
If the door opens with the wall switch a simple battery.
Try installing a new battery and attempt to open the door again with the remote.