There are a few unusual factors that can cause your door open by itself.
Opening to garage door bare.
A bare spot in your wire could be from several things.
Frame the rough opening to 3 inches wider than the garage door size you have selected.
Yes it s possible although rare for your garage door to open by itself.
Scan the safety sensors.
The first is photoelectric and the second is mechanical.
This guide is intended primarily for our builder customers to explain in detail the measurements and condition we need the work site to be in to properly co.
Frame the rough opening to a height that is 1 5 taller than the door that you have selected.
Locate the red emergency cord on the automatic opener and pull it to disengage the opener.
Residential electric garage door openers manufactured after 1993 are equipped with two safety mechanisms that operate while the door is closing.
Width of garage door opening standard widths are 8 9 10 12 14 16 17 and 18 height of the garage door opening standard residential heights are 7 7 6 8 header the header is ideally a minimum 12 wide micro laminated beam that spans the width of the garage door opening.
If you are installing a 9 wide door the opening will be 9 3 wide.
Wireless door open chime expandable door entry alarm with operating in range 600ft 52 tones 4 volumes led indicator 1 magnetic door sensor 1 plug in receiver for home business store garage 4 2 out of 5 stars 216.
If the door is 7 tall frame the opening 7 1 5.
You can then open and close the door manually by raising it up and lowering it.
In garage door operators made after 1993 there are required safety features that open the door during the close cycle when they detect something blocking the door.
Luckily opening a garage door without power is simple and easy.
Some of the most frequent causes are a nail or staple piercing the wire a hungry mouse who chewed part of the wire damage from a shovel or other piece of garage equipment or friction that has worn the wire over time.