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

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When i close the garage door it goes down all the way, once its fully closed the motor starts to pull the door up all the way back.

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You have to adjust the control in the motor head. if u dont have the manual get back and i will talk u thru it

Posted on Feb 27, 2009

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2 Answers

When closing door with remote or the electric mounted pad it goes down about 6" then stops and goes back up 2" and then I have to hand wind it back down. fitted 2 years ago no problems until now


Greetings,
There is something blocking the door from closing. Look around to make sure there is nothing near it or touching it.
Once I had a rolledup screen that started to interfere with the closing. Keep all things clear from it.

Apr 14, 2015 | Building Materials

1 Answer

I have liftmaster door opener 41a5021-1d. Using the remote door closes only half way. how can I repair this problem?


When the motor stops in the down position, pull the emergency release handle. Push the door fully closed by hand then engage the emergency handle. Open the door with the remote and then close it with the remote to make sure the door closes completely.

Oct 10, 2014 | Building Materials

1 Answer

Linear garage door opens and closes when close to unit about 10 '


when the door stops moving when going down, pull the emergency release handle on the door and then push the door closed by hand. Once it's closed push the emergency handle back so it engages the chain. Open the door and close it a few times to make sure it closes all the way with the motor.

Oct 01, 2014 | Linear Corporation Linear Garage Door...

1 Answer

My sears Craftsman 1/2 HP garage opener starts and quickly stops with a ****. sometimes only moving the door a inch or so. Lights on opener flash once, somethings power completely seems to go off... power...


Make sure all the connections are tight on the rear of the motor housing. The terminals where all those white wires go must be tight. Also make sure the plug into the wall is snug and not sloppy.

Jul 19, 2012 | Sears Craftsman LiftMaster Chamberlain...

1 Answer

The motor runs but it only opens a few inches and slowly goes back down its a chamberlain whisper drive model HD900D


Hi. I have seen this before, although usually not from chamberlain garage door openers.

Pull the release cord that unlocks the door from the opener, and manually open the door ALL the way open.

Then lock back in place in the open position.

Then use automatic opener to shut door.

It will close very slowly, but should close all the way.

Then, open the door again using the remote, and the door will once again open slowly, this time it should open all the way.

Then close door with remote, and door should now close as it is supposed, with the proper speed.

The slow opening and shutting is the system position sensor resetting itself.

This is why your door is acting up.

I would also look up by the belt drive connects to the front of the garage door opening, to make sure there isn't any dirt, cobwebs, or other obstructions on the sensor that may cause it to re-close the way it does.

Jan 24, 2011 | Chamberlain 1/2-HP Whisper Drive Belt...

2 Answers

I bought a second hand Digidoor 1 with garage door. The door opens and closes perfectly when the digidoor is off. When I power up the digidoor the motor will not open the garage door when the door is...


You are receiving interference from the digi door. You will have to return this unit and go with a different one on a different frequency. Chamberlain makes a clicker that would work well with that unit. Thanks BB

Sep 21, 2010 | liftmaster Chamberlain Garage Door Opener...

1 Answer

CRFATSMAN opener - Problem when closing only


It sounds like you have a loose connection. Pull the logic board and check for bad connections especially around the small transformer.

Feb 23, 2010 | Sears Craftsman LiftMaster Chamberlain...

1 Answer

My garage door will not close unless...


Check your down limit switch and even your up one too almost sounds like one is stuck one way or the other.

Jun 19, 2009 | liftmaster Chamberlain Garage Door Opener...

1 Answer

The door reverses back to open position instead of closing


SOUNDS LIKE A SENSITIVITY ISSUE UNHOOK THE DOOR AND TRY IT MANUALLY TO BE SURE IT DOESN'T BIND OR IS TOO HARD TO OPEN OR CLOSE.

IF ALL IS WELL CHECK THE SENSITIVITY SETTINGS ON THE BACK OR SIDE OF THE OPENER.

YOU WANT THIS SET AS LOW AS POSSIBLE AND STILL OPERATE THE DOOR WITHOUT REVERSING.

NOTE: THE FULL RANGE OF ADJUSTMENT IS ONLY ABOUT 3/4 TURN SO MAKE A VERY SLIGHT ADJUSTMENT AND THEN TRY IT AGAIN.

HOPE THIS HELPS

Feb 20, 2009 | Sears Craftsman LiftMaster Chamberlain...

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