Liftmaster Garage Door Sensors Not Lit

Here s what liftmaster suggests.

Liftmaster garage door sensors not lit.

If necessary you can close the garage door by pressing and holding the door control push bar until down travel is completed. Steve explains how to check and align your garage door opener sensors. Eliminate any item in between the sensors. The circuit board on your garage door opener will have to be replaced if you want your light to function properly.

There isn t a solid light coming from the safety eye sensors liftmaster suggests them be placed no higher than 6 150mm. When the safety sensor is not properly aligned or something is obstructing the light beam the garage door will fail to close. Steve explains how to check and align your garage door opener sensors. If you do not hear a click coming from the motor housing then the relay on the circuit board is bad.

The lock button on the door control in on. The safety reversing sensors must be connected and aligned correctly before the garage door opener will move in the down direction. As of january 1 1993 it became mandatory that all garage door openers have safety eye sensors built into them. Verify the wire connections are correct on the garage door opener.

Garage door light flashing but won t close. Check if something is blocking the way of the safety sensor. A common cause of a malfunctioning garage door sensor is lack of power supply. If your garage door sensors are clean it could be the alignment or the wiring.

To troubleshoot your liftmaster safety sensors. The clicking noise you are looking for is the sound that comes from the relay on the circuit board. The lights should be a solid illumination for the garage door opener to function properly when closing. Check for incorrect wiring between the sensors and the garage door opener.

If your safety eye lights are not a solid illumination then it is likely that the safety eyes are out. When your garage door does not close and the garage door opener lights flash 10 times there are a few simple steps required to figure out the issue. If they re turned on in both the sensors then there is no issue with the power supply. Look for small led lights on the sensors.