The weight and pressure involved in closing a garage door can cause serious injury to someone in the path of the door especially children.
Garage door opener pressure switch.
Garage door openers manufactured after 1993 include sensors to prevent a door from closing on a child or pet.
A few minutes every six months or so will.
Locate the bell wire that connects the wall switch to the garage door opener.
An incorrectly adjusted garage door opener and sensor can cause damage to the garage door motor lift mechanism your house or worse a person or pet.
I the opener motor and ii infrared sensors.
There are two common safety features with a functional auto reverse system.
If you garage door is lowering then reversing back to the open position there could.
Loosen the two terminal screws on the side of the opener where the bell wire attaches using a screwdriver.