Two possible problems can lead to a garage door reversing before it even touches the floor.
Erratic garage door opener.
Erratic function of garage door opener.
Erratic garage door behavior.
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Here are 5 common ways a garage door opener acts weird with recommended solutions.
It seems to be randomly picking a start and stop position like it has lost track of where the chain is at.
For the last couple of months the door has been very finicky about closing.
Sometimes it works with the remotes sometimes by the hardwired control and sometimes by the button on the unit and other times it doesn t work at all with these.
Garage door erratic about closing i have an electric garage door opener chamberlain power drive 1 2 hp i inherited with the house i bought two years ago.
We have a liftmaster 2245 that came with the house.
Garage door opener won t open all the way fix.
Garage door opener model 139 53315sr opens and closes randomly.
Door starts to close then quickly reverses.
Garage door reverses before hitting the floor.
Our garage door opener has been acting strangely and i can t figure out why.
Either way the garage door opener will win the standoff getting the appreciation and maintenance it feels it deserves.
Sometimes it also goes up.
Replace the main gear drive if the garage door opener makes a grinding noise but the door doesn t move your main drive gear is probably toast.