Garage Door Not Closing Light Flashing Liftmaster

My chamberlain liftmaster garage door opener light fixture flashes and will not close when using remote.

Garage door not closing light flashing liftmaster.

The led on the motor will also blink and serves as a diagnostic tool for troubleshooting. If the sensor indicator lights do not light replace the safety sensors. Liftmaster uses the protector system which projects an invisible light beam across the door opening and automatically opens the door if something someone crosses it s path. The main light will blink 10 times indicating a problem.

The lock button on the door control in on. Led is not lit on door control. When the safety sensor is not properly aligned or something is obstructing the light beam the garage door will fail to close. Align sensors if the indicator lights glow replace the wires for the sensors.

Door will close if i press and hold button on wall. Inspect door control wires for a short staple in wire replace as needed. Garage door sensor locations. An open door will not close if the infrared beam is broken.

Garage door light flashing but won t close. If the opener cannot detect that the safety sensors are properly working or connected then the opener lights will flash and the door will refuse to close. Liftmaster motors will not operate when something obstructs the infrared beam between the safety sensors at the bottom of the garage door tracks. You may want to check the back of the motor unit.

When you see you garage door opener lights flashing and the garage door will not close it could be the lock button or the safety reversing sensors. The blink rate on the garage door opener service light points to various error codes. The sensors appear to be working as the sending and receiving led glow steadily. The liftmaster garage door opener lights will flash for ten times.

Eliminate any item in between the sensors. You ll need to hire a professional to replace the wiring entirely or check to see if the wire disconnected from the opener and reconnect it. If your garage door sending sensor is showing a yellow light and the other does not show a green light it is likely they are misaligned. Check if something is blocking the way of the safety sensor.

The protector system safety reversing sensors years ago garage door openers were required to utilize safety sensors to prevent doors from closing on small children.