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Chamberlain - Garage Door Opener opens on its own

Chamberlain 3/4 HP Whisper Drive Plus Belt Drive Garage Door Opener opens on its own. Initially wrote it off as 'human error". But at least twice now, we *KNOW* that the garage has opened by itself, without us pressing any buttons. First time I thought my wife had come home and decided to leave again. She denied it. Second time after being away overnight, and we come home with the door wide open. (Nothing was stolen as far as I can tell). We have TWO of these openers, bought at different locations. One is fine, the other is problematic. This is an obvious security issue that we cannot live with. Bought at Costco Nov 2012. HELP!

Posted by Anonymous on

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  • 60 Answers

This may sound strange but it's true.....your neighbours TV/Stereo/video etc remote may be on the same frequency as your garage door...I swear I am not kidding.

Posted on Apr 08, 2017

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Posted on Jan 02, 2017

  • 1 Answer

SOURCE: Hi there. I have a Chamberlain Whisper Drive

I just had that problem this morning and the cause was that the springs that help hold the weight of the garage door were broken. This caused the garage door opener to raise the garage door a fe inches and then drop again. We called in a professional and $200 later we had new springs and everything works fine now.

Posted on Dec 17, 2009

  • 3197 Answers

SOURCE: Where to buy remote control and reset My garage door opener also

To erase the memory of the opener so that your old remote will no longer work you need to locate the smart/learn button on the rear of the motor unit. Press and hold this button for 6 seconds. No remotes will now work.

To program the new remote when you get it, hold the button down on the remote and then press and immediately release the smart/learn button.

Call any local door opener repair company from the yellow pages and you should be able to buy a remote from them.

Posted on Feb 08, 2010

blanchettohd
  • 143 Answers

SOURCE: (Chamberlain 1/2 hp Whisper Drive garage door

If the wall button will operate the door up but none of the devices do then look at the wall button. Find the lock button and push it for 2 seconds and then try the remotes again. This is your vacation lock. You can get a manual at chamberlain.com. Now if the door does not open or close with the remotes you can reprogram them. Press the colored learn button on the motor head and then press the button on the remote. Repeat for each remote. If they fail to program you will need a new logic board. Thanks BB

Posted on Sep 03, 2010

  • 15 Answers

SOURCE: How can I disconnect the motion detector on the

There is a button on the side of the wall-mounted remote. It has a pic of light bulb next to it. Press it once - the motion sensor is on and the lights will be on once it senses the motion; press it again and the motion sensor will be off.

Posted on Nov 01, 2010

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