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1/2 hp garage opener

Hi I just boaught a new 1/2hp chain driven garage opener, My question is that I repaced it with a almost identical 10 year unit all was similar and just mounted it to my existing hardware. It works perfect! I thought that my old remote openers would work; I cannot get them to work by programming it. Are they a different freguncy?

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  • 217 Answers

You have to get a new remote for the new door

Posted on May 07, 2013

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SOURCE: craftsman 3/4 hp garage door opener

not sure, but see the users manual here:

http://www.manualslib.com/manual/32293/Craftsman-139-5399.html

Posted on Mar 10, 2013

  • 31 Answers

SOURCE: How do i program my garage ope

Take your old remote and point it at the new remote while pressing 'learn' (or you might only press learn and then shoot the old signal into the new remote). Almost impossible without the old remote though. Hope this works.

Posted on Apr 22, 2013

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1 Answer

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Hello,

The problem is not the chain, it is the plastic gear in the unit of the liftmaster Garage Door 1/2 Hp.The plastic gear is not engaging, although it sounds like it is working.

You will have to replace it with a new one, then the liftmaster Garage Door 1/2 Hp will be able to open up once again.

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I have a 1/2 hp craftsman opener, it has the premium wall console, keyless entry and two remotes, chain driven. I installed it about a year and a half ago, it's worked fine since. Just recently, it would...


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Refer to your owners manual to adjust the travel limits to stop the door opening too high

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