Liftmaster Garage Door Sensor Light

Troubleshooting a liftmaster opener with a flashing light involves inspection of the safety reverse sensing system.

Liftmaster garage door sensor light.

The light will flash two times. If your door control has a lock button it may have been turned on. The light is emitted from one side of the garage door to a receiving unit on the other side of the door. When depressing the garage door opener the door starts to when depressing the garage door opener the door starts to close and then stops and reverses.

If you do not see a solid illumination or your garage door is not working the problem is most likely due to the sensors being out of line. I have tried to reprogram checked for read more. To prevent the garage door from injuring someone in the door or damaging an item in the way of the door all models of liftmaster garage door openers come installed with a safety sensor. Liftmaster motors will not operate when something obstructs the infrared beam between the safety sensors at the bottom of the garage door tracks.

High quality rigorously tested and durable only liftmaster parts are recommended for repairing your garage door opener. If the path between the sensors is unbroken the door will open and close normally. For the door to close correctly without reversing the safety sensors need to be aligned perfectly and there should be nothing in the way of the light beam. Explore more replacement parts below.

You ll need to first equip yourself with a wrench of some sort and a tape measure. We design and engineer residential garage door openers commercial door operators and gate entry systems. From logic boards to chain kits to safety reversing sensors find the right liftmaster replacement part to help you with any garage door opener repair project. Garage door sensors work using an infrared beam of light.

A common cause of a malfunctioning garage door sensor is lack of power supply. So how do you fix this issue. Look for small led lights on the sensors. Press the lock button to turn this feature off.

Liftmaster sending sensor is yellow and receiver light is green. An open door will not close if the infrared beam is broken. If they re turned on in both the sensors then there is no issue with the power supply. When the lock button is on the garage door opener will work from the door control but the remote controls are locked out.

If you see that the sender sensor is not yellow and the receiver sensor is not green then this means that your sensors are probably off. Chamberlain group cgi the corporate parent company to liftmaster chamberlain merlin and grifco is a global leader in access solutions and products.