Question about Sears Craftsman LiftMaster Chamberlain Garage Door Opener Wireless Keypad Model 976LM Security+

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Model#139.53675SRT2 works fine in warm weather but not in cold

When it gets cold no matter what remote you use the door will go up 1/4 of way , then you push remote again to go down then again to go up several times before it will go all the way open.. it might take 5-8 times before opens all the way.....the opener works great in warm weather???? Never a problem with closing garage door always problem when trying to open in cold weather only???

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Add more up force to adjustment

Posted on Jan 15, 2009

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Our Craftsman model 139.5364 works fine when it is warm, but not when it is cold. Even right after a brand new warm battery is installed. How can we get it to work when cold ?


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There are ususally two adjustments on garage door openers...
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On a cold day things are a little tighter and it "wants" a little more downwards pressure to complete its cycle. Sorta like me in the morning -- I need a little coffee to get going on a cold morning.

Adjust the down pressure/force just enough to make the unit close properly. Do not over adjust the down pressure or you will find it won't stay closed. Sometimes the manufacturer doesn't make it too clear where this adjustment is, but you should be able to find it if you look around.

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