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The garage door was installed in November, 2006. Recently however, the single door will not close and re-opens automatically every time we try to shut it! I have attempted to adjust the sensitivity adjustment (both decreasing and trying to increase the same without success.the model number and serial numbers are as follow: Model No. 3585-100 Ser. No. 23482101329 I can be reached daily at (678)464-2154 and will welcome your suggestions for repair. My e-mail address is as follows: Thank you in advance, Dave Garrett

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I had a problem with a door once, the door tracks were slightly out of alignment. Does your door have the safety photocell device on it? If so, there are two small boxes on the door track about 2 feet off the floor, they are there to make the door go up incase a pet or child happen to walk under the door when it is closing. This is to prevent the obvious injury of someone. You may already know this, I am just trying to cover all bases. This might go out of alignment as the door comes down and make the door go up as well. You can look at the receiver end of the two units. (one shoots a beam of infra-red light) There might be a light on the unit to show that it is receiving the beam. Place your hand between the two units, the indicator light should go out. This indicates it is operating properly. Now close the door and observe the light, if it goes out and the door reverses, then you need to adjust the sensor so that it stays in alignment with the beam throughout the door cycle. I hope this helps. By the way, thank you for providing the information of the unit in your question.

Posted on Jan 04, 2011


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