On the transmitter hold the button to be programmed down until it begins flashing slowly 20 30 seconds.
Garage door key fob programming.
Make sure the key fob is not in high security mode.
While the indicator light is blinking press the button on your remote.
Before you begin to program your remote make sure you have a light bulb installed in your garage door opener.
To program the key fob to a 5877 relay module take the following steps.
To program a new remote into the system hold the learn button until the indicator light blinks on the opener.
The d button is often selected for this purpose.
Just follow these simple steps and you will get your liftmaster remote working with your garage door opener in no time.
For first time programming or if you think the garage door opener has been previously programmed press the two outer buttons on the transmitter for about 20 seconds until the light starts flashing.
Select the button to be used.
Choose which button on the key fob will be used to control the garage door.