An open door will not close if the infrared beam is broken.
Garage door buzzes but won open light flashes 10 times.
Look at the led s on both door sensors.
Disconnect wires at door control touch wires together.
The led on the motor will also blink and serves as a diagnostic tool for troubleshooting.
If motor unit activates replace door control.
If the led s on both sensors are off the problem is in the logic board or the sensor wiring.
The wires that you ll want to inspect include the ones running from the sensors to the motor.
Liftmaster motors will not operate when something obstructs the infrared beam between the safety sensors at the bottom of the garage door tracks.
In this video from sears partsdirect we ll show you some simple fixes like checking the garage door opener s alignment and clearing obstructions.
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Once you locate these wires look to see if any of them are disconnected.
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It s more than likely a safety sensor.
If one or both leds is blinking the sensors are misaligned.
If necessary you can close the garage door by pressing and holding the door control push bar until down travel is completed.
Perhaps the most common issue for many homeowners if the safety sensors are not properly aligned the light will blink 10 times.
Garage door openers made after 1993 are equipped with sensors positioned on both sides of the vertical rails.
The main light will blink 10 times indicating a problem.
This most likely indicates that the garage door sensors are out of alignment or there is something in the way of the sensors.
If one of the leds is not on the door sensors need to be replaced.
Inspect door control wires for a short staple in wire replace as needed.
The wiring could be the reason why your garage door light is blinking continuously another reason why your garage door light is blinking could be a result of bad wiring.
If motor unit does not activate disconnect door control wires from motor unit.
Garage door light flashing but won t close 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 light from the opener blinks 10 times to warn you about misaligned photo eyes.
To fix this issue first locate the two photo eyes attached to your garage door and clean the lens using a soft microfiber cloth.
Ten flashes of the light tells you there is a problem with the door safety sensor circuit.