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

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My chamberlain model 7200 will close door but not open it

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You probably have a problem with your door and not the opener. Try to operate the door manually. It should not take more than 10-15 lbs of force to lift. If it takes more force, you have a spring problem on your door.

Posted on Jun 16, 2010

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Chamberlain 9902 won't close at times


Does the motor run? Does it make a noise. What actually happens?

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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.

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I have a Chamberlain 7200 Garage Door Opener with a missing clicker. Can I change the receiver code in the base unit? If so, how?


If you hold the smart/learn button in for 6 seconds it will erase the memory and none of your remotes will work including the missing one. Now you will need to program the opener to the remotes you have and don't forget the keypad if you have one. The missing remote will continue to not work with your opener.

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1 Answer

Have to hold down keypad on wall to get door to


You may have a relay faulty or the wiring is connected wrong.

Dec 05, 2009 | Sears Craftsman LiftMaster Chamberlain...

1 Answer

Garage door opener does not close garage door talk to tech of manufacturer who thinks it the circuit board insise the unit i can buy the board locally just need to know hwo to replace the opener is made by...


I TRY TO CLOSE GARAGE OPENER DOOR DOWN BUT IT REFUSE TO CLOSED DOWN BECAUSE SUN SHINE TO SAFETY REVERSING SENSOR, LIGHT BULB BLINK ON , WHAT SHOULD I DO IT ? PLEASE EXPLAIN ME HOW TO DO IT? THANK YOU . TRULY HAROLD MILLER ,

Nov 10, 2009 | Sears Craftsman LiftMaster Chamberlain...

1 Answer

Chamberlain 1265 garage door opener, tried to


On the side of the motor unit you will find the 'down limit control'. Using a small screwdriver turn this control in the same direction as the arrow printed on the cover. Some tweaking may be necessary to get it just right.

Oct 05, 2009 | Sears Craftsman LiftMaster Chamberlain...

1 Answer

Door opener will close door but will not open it chamberlin model 7200


IF THE DOOR WORKS PROPERLY - MANUALLY

TRY ADJUSTING THE UP SENSITIVITY.

IF IT IS HARD TO LIFT OR CATCHES ON ANYTHING - YOU NEED TO FIX THE DOOR.

HOPE THIS HELPS

Apr 21, 2009 | Sears Craftsman LiftMaster Chamberlain...

1 Answer

Wiring on a chamberlain 7200 opener


You'll need to go to : http://www.managemyhome.com/mmh/common/Home.action?sid=MMHMxSearsx00020

Go to the middle of the page 'Search Product Manuals'.
Type in your model #, xxx-xxxxxx of the garage door open.
It should give you the correct wiring diagram your looking for.

Feb 14, 2008 | Sears Craftsman LiftMaster Chamberlain...

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