Door sensors work because they use a sensor and a magnet. The sensor is placed on the door frame and the magnet on the door itself. A circuit attached to the magnet sends a message to the alarm when the current is distur... More »

Troubleshoot a Craftsman garage door opener by checking the batteries, extending the antenna and making sure the receiver is getting power. Also, check to see if there are items covering or blocking the eye or safety sen... More »

To repair a garage door sensor, ensure the wires are connected properly in the sensor's receiver, clean the receiver's screws, and take out any objects that might obstruct the sensor's beam. In addition, adjust the heigh... More »

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Door magnet types include door latches, door stops and magnetic door screens. Door magnets are very versatile and work for large and small doors, as well as cabinet doors and sliding doors. More »

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Door hardware is typically installed using only a screwdriver or drill. A chisel and hammer may be required to remove any excess wood that otherwise keeps the faceplate from sitting flush with the door or frame. More »

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Apply one side of a screen door magnet to the inside of the screen, attaching it to the other side by applying the second magnet to the same area on the outside of the screen. The magnetized backs of the magnets are reve... More »

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To troubleshoot a Raynor garage door opener, place new batteries in the remote and check the wiring and the sensor beam. Also, inspect the rollers and door parts to see whether they are functioning properly. In addition,... More »

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