First check the sensor lights.
Garage door opened hindered by sun.
A simple way to do this is to unplug the garage door opener and then plug in another device say your phone or a light bulb to see if it lights up.
Automated garage door systems explains why this happens.
Sunlight can affect a garage door sensor.
When the lumens of light from the sun surpass that of the infrared sensor light the sensors are not able to signal one another this is why a garage door might stop closing if strong sunlight is shining on the eye of a garage door sensor.
Check power supply to garage door opener.
Use the inside tube from an empty roll of toilet paper holiday wrapping paper plastic wrap or any cardboard tube that is large enough in diameter and flexible.
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When your garage door opener is not responding to any command from the remote or the door control you need to check if the opener has electricity.
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Clutter or obstructions that block the sensor are the first problems to look for if your door won t close or in extreme cases open at all.
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If your door starts to close but suddenly begins to open back up during sunny days the glare from the sun might have your sensors thinking something is in the way so try to place something in the way of the sun and give the sensors some shade.
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Get your garage door closed on sunny days by making an electric eye hood.