When you own a garage door, it is often a good idea to know about a few things about how it functions to ensure that you have an easy time using it. For instance, one of the things that you may need to know is how the door opener works. Most of the time, electric garage doors will have some kind of opener that will automatically open the doors when you press a key on the remote to the door or in your car. This makes it much easier for you to open the door without having to strain.
When you have such a system in place, it is always a good idea to know of a few tricks regarding how it functions. For instance, most doors of this kind will have the opening mechanism reset when you unplug the opener from the power outlet. The reason for this is that in order for the door to function, it will need to store data about such settings in its memory. When you unplug the system from the wall outlet, the data will be lost, and this means that the entire unit will have to revert to the original settings.
However, it is not always that this will happen. There are some products that are made in such a manner that they can hold their information such as the settings you use for longer, such as through the use of a backup battery. This is so as to prevent the system from resetting each time there is an interruption in the power supply, such as when there is a blackout. Most of the garage door openers out there are made in this manner, and this is why simply unplugging them from the outlet will not make them reset.
In such cases, the only thing that will cause them to reset in the event of a power failure is when the lack of power is prolonged. In such cases, the battery will then have to run out first before the system can effectively forget the settings that you had saved on it. Just how long you need to wait for this to happen depends on a host of factors, the most important of which is the kind of system you are running. If you use a garage door opener that has a backup that can retain power for long, you would need to wait for a very long time before it can reset.
The above is a summary of the reason why some of the door openers will reset when you unplug them from the power outlet. Though having to reset the system is generally a bad thing, it has some uses. For instance, when you find that the door opener is not working as it should, you could use this functionality to restore its factory settings to make it usable again. Some high-end openers will have a physical reset button that you can use for this, instead of having to deprive the unit of power.
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