why does my garage door not stay closed
There are adjustments on the back of the opener. There is an Open Limit and a Close Limit. Back off the close limit screw until your door never hits the ground on the way down, then slowly (1 open and close at a time) adjust it down until the door just reaches the ground. If when you adjust the close screw does nothing, the switch has gone bad. The switch is what tells your door to stop going down. Get your model no. , call doortech, go buy a new switch (about $5-$7) and change the switch. You will have to take off the cover of the opener, it is easy.
If your garage is really a carport with a garage door, and you have any dirt dobbers around, it is most likely the switch.
If you have issues with your garage door staying closed, it s generally a result of sensors or limit settings that are not properly set. A professional garage door installer can help resolve the problem and get your garage door back to working the way it should. Why Won t My Garage Door Stay Closed? Most garage door openers will operate well with very little maintenance; however, there can be occasions when components become misaligned or your opener needs to be adjusted.
One common problem is a garage door that goes down, stays down for about a second, then immediately goes back up. You might also experience a door that only goes part way down before coming to a stop, leaving a gap between the bottom of the garage door and your driveway. There are sensors on each side of the garage door positioned close to the bottom of the track. The sensors are designed as a safety feature that will trigger the door to open if there is any type of obstruction in the door s path.
While the sensors are typically very secure, they can be moved if they are accidentally bumped. If these sensors are not properly aligned, they can prevent your garage door from closing properly. Just like if you leave something blocking the path of the door, if the sensors are out of alignment, it s not unusual for your garage door to go part way down, then immediately reverse direction because the sensors have triggered the safety feature. Another common reason why a garage door might not stay closed is that the limits are not adjusted properly.
When the limits are set either too high, the garage door goes part way down but doesn t hit the ground where it expects it to be. Likewise, if the limits are set too low, the door hits the ground and senses it as an obstruction, rather than the bottom limit of the door. Adjusting the limits of the garage door opener should be left to a professional. A company that offers professional repair, maintenance, and, can help ensure that your garage door is operating at its best.
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