Your garage door sensor generally has two photo sensitive eyes on each side of the door.
Garage door always goes back up.
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.
It may be your garage door sensor.
Your garage door opens when it hits the ground.
Look for small led lights on the sensors.
The garage door goes down then back up.
You may think the door is workingok because it feels ok but you should still check all components to be sure.
Possible reasons why your garage door hits the floor then goes back up as is the case with so many issues at the home there s no one reason why your garage door closes then opens.
If these are blocked in any way it will cause the doors to go back up so as not to injure children pets or damage that bike your daughter left on the ground.
If they re turned on in both the sensors then there is no issue with the power supply.
In this case the garage door opener detects that it is coming into contact with.
The garage door keeps going up and down.
This is almost always the result of a dirty or obstructed safety feature.
It goes partway down reverses direction and goes back up again.
First check the sensor lights.
If you stillare having problems you can make slight adjustments to either the closingforce opening force or the travel limit adjustments.
Your travel down setting needs to be adjusted.
Sensor power reconnect the sensor to its power supply.
Your garage door opens immediately after closing.
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.
There are four common problems with garage door sensors three of these homeowners can fix themselves.
A common cause of a malfunctioning garage door sensor is lack of power supply.
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.
A short in your transmitter causes a continues signal to be sent.
Garage door opener keeps going back up.
Do any necessary repairs reconnect the opener and try it out.
You push the button to close the garage door.
Here s a rundown of some of the possible reasons this can be happening.