Garage Door Opener Won’t Close

Problem: Garage door opener automatically reverses as soon as it closes, with no obstruction in its path.

Background: All garage door openers must have a reversing mechanism. If your opener doesn’t have one, replace it. If the opener reverses and refuses to keep the door closed, the “sensitivity,” “open,” or “close” knobs may be out of adjustment. Important: This safety feature should be tested regularly so the opener closes the door, but does not exert dangerous force which could lead to serious injury or death.

What to do: First set the “close” knob so the door makes full contact with the floor. To test the sensitivity adjustment, open the door and place a 1-inch thick piece of wood flat on the floor in the door’s path at about the center of the door. If you don’t have a piece of wood 1-inch thick, use a 2x4. The door should reverse and open the door when it strikes the wood. To test the force of the opener, repeat the test with a corrugated carton under the center of the door. The opener should reverse the door when it contacts the carton without crushing it. If, after experimenting with adjustments, the opener doesn’t reverse readily, have it re paired or replaced.

Special advice: The sensitivity knob should be adjusted, beginning at the minimum pressure setting, so that the door will close without reversing. The door should reverse within 2 seconds after hitting an obstruction. Should the sensitivity need to be raised to maximum pressure set ting, do not use the opener and have the system checked by a technician for problems such as worn tracks or broken springs. (See
Manual Garage Door Won't Open and Garage Door Opener Quits for maintenance suggestions.)

Helpful hint: Discuss garage-door safety with children. Explain the danger of being trapped under the door, and do not let them play with or use the transmitter or push-button switch. Teach them never to play under or near an open garage door. The push button should be at least 5 feet from the floor so it is out of children’s reach. Always keep the door in sight until it completely closes.

 

 

 
 
 
 
 

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