However if you encounter resistance stop.
Garage door closed position.
It works every time and i can see on my phone if the garage door is closed.
Now the door position is immediately apparent.
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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.
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.
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.
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 closed the magnetic switch is closed and the relay is feeding terminal 87 a dead end and the light is off.
You can view this video on how to safely open your garage door with no power here.
When attempting to fix a garage door that is stuck open make sure to turn the garage door opener off.
You push the button to close the garage door.
This is almost always the result of a dirty or obstructed safety feature.
Your garage door is programmed to travel a certain distance before it closes.
If it is possible to safely pull the garage door manually to a closed position before attempting any repair do so.
Check the door s electric eye.
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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.
Shut off the power to the garage door opener.
The trolley moves along the chain drive the long track attached to the ceiling when the garage door is opening or closing attached via a metal bar to the inside top of the garage door.
Use a screwdriver to tighten the wire.
The installation was a breeze.
Garage door locked surprisingly your garage door just being locked can be causing your problem.
I have used this for about 4.
It goes partway down reverses direction and goes back up again.