I have used this for about 4.
Garage door closed position.
Check the door s electric eye.
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I ve also set a recurring notification on my phone to warn me every 10 minutes if the door is open.
If it closes before that distance has been traveled it thinks something is wrong and it reopens to help prevent any damage or safety risk.
However if you encounter resistance stop.
It goes partway down reverses direction and goes back up again.
The installation was a breeze.
You push the button to close the garage door.
If your garage door is closing fully and then reversing to open again then it may be due to a problem with the close limit switch.
But changes in weather conditions can causes your garage door components to shift or contract.
Shut off the power to the garage door opener.
Some garage doors have a full lock system which enables you or anybody to lock your garage door from the outside by only turning the handle.
When the door is opened even slightly the magnetic switch is opened and the relay switches to 87a and completes the circuit to the led.
When attempting to fix a garage door that is stuck open make sure to turn the garage door opener off.
You can view this video on how to safely open your garage door with no power here.
If it is possible to safely pull the garage door manually to a closed position before attempting any repair do so.
Now the door position is immediately apparent.
When the door is closed the magnetic switch is closed and the relay is feeding terminal 87 a dead end and the light is off.
It works every time and i can see on my phone if the garage door is closed.
In order to fix this you ll want to make small changes to the close limit setting until the door opener knows to stop once the door has reached the floor.
This is almost always the result of a dirty or obstructed safety feature.
Turn the power back on and the door should open and close normally.
Your garage door is programmed to travel a certain distance before it closes.