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

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Manual Need a manual for garage door opener item #139.53960SRT I opened my remote and clicked the little amp on inside ever since my remote doesnt work

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  • msurbanlady Jun 24, 2008

    need manaul for sear chamberlain garage door opener



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I have this manual.What page do you need scanned?

Posted on Feb 20, 2010

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I would try here, they seem to have library of manuals.

Posted on May 26, 2008


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Don't know Mod. No. lost installation manual, approx. 5 yrs. old Need installation manual.

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Feb 03, 2016 | Building Materials

6 Answers

How to open the door if no electricity

Almost all garage door openers have a switch mechanism that will allow you to open the door manually. It is usually a pull cord on the motor or track. Pulling it down usually deactivates automatic mode. Just pull it up into position when the electricity comes back on.

Garage Door Repair in Jacksonville FL American Garage Doors LLC

Mar 17, 2015 | Building Materials

1 Answer

I have a Craftsman garage door opener Model #139.53664SRT that has worked great until recently. When I leave my garage & try to use the keypad or remote after opening the garage door from the inside of...

From the description about the lights which does have a slight affect on their sensitivity suggests the sensor adjustment. The sensors that detects obstructions appear to be out of adjustment.

Check the alignment for proper operation. It may be dust that is obstruction the sensor.

garage door safety-dmbde0w01a5yu2mfdv43xlfn-4-0.jpg

1466178634909-dmbde0w01a5yu2mfdv43xlfn-4-2.jpg hope this helps

Jun 23, 2017 | Kitchen Ranges

1 Answer

How can I reprogram an old style 61LM to a garage door with a learn button? Thanks!

This Liftmaster 61LM remote is the equivalent remote t? the Sears Craftsman 139 model number listed above. It h?? dip switches inside the battery compartment that ??? match up w?th ???r existing remote t? m?k? ?t open ???r garage door. There is also a set ?f dip switches ?n the overhead opener itself ?f ??? n? longer h??? a working remote. It ?h???? b? easy t? find ?n the garage door opener. This remote operates ?n a 390 MHZ Frequency, and works ?n models fr?m 1984-1992 essentially.

There will be a colored learn button on the motor head. Press and release this button and then press the button on the remote. That is it. Thanks BB Sorry about the lousy question marks in the last post

May 13, 2010 | liftmaster Chamberlain Garage Door Opener...

1 Answer

Unable to open the garage door with the remotes. I closed the door from inside unit and came out. but later on when i tried opening it from the remote there is nothing happening. Please please help me. My...

It sounds like your remote may have deaad battery OR got de-programmed. I hope you have another door into the garage. You NEVER should rely on a radio remote as the ONLY access to the garage! Many failures can happen to prevent the remote from working.

IF you can kill the power to the opener in the garage, do that for a couple minutes then repower and try again...

And for goodness sakes cut in a new door as EVEN in a condition where the power fails in a disaster you want to have access to your vehicle... this is a "wake up call" for you! There is also a keyed lock that can give you access to the manual trip cord to allow manual opening of the door.

Jan 09, 2010 | Sears Craftsman LiftMaster Chamberlain...

3 Answers

Raynor garage opener-remote only works close up sometimes

check to seee if the little wire that hangs out of the operator is hanging out. This wire is the ant. if this is not the problem replace the 12volt battery you can buy them anywhere. make sure you didn't cut off the ant. wire (I have seen customers cut thios wire thinking its an extra and not needed or place the wire inside the box very little signal that way have to be very close)

Jun 05, 2009 | Building Materials

1 Answer

Liftmaster Remote garage door openers work intermittently.

check to see if your ant. is up inside of the cover it's a little black wire that hangs outside of the operator shiould be about 6 inch.

Jun 02, 2009 | liftmaster Chamberlain Garage Door Opener...

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