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

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Opener only makes clicking sound when activated by remote or wall

Just makes clicking noise when activated by remote or wall unit.

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Where is door trolley, up or down. did it go up too far and wedge against bolt in track. take out bolt to release and try. put bolt back in. did you overheat motor. wait 15 minutes. give more info. (Does light bulb blink 10 times, then safety beam problem affecting door going down).

Posted on Jan 15, 2009


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Garage door opener makes a clicking sound when activated by the remote or wall unit and the lighton the back of the opener flashes. craftsman.

If the opener is making a clicking sound when it is running the chain is too tight. Post back with the number of flashes from the light.

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Ocasionally my garage door will open by it's self, how do I stop this problem. It's a Sears Craftsman model #139.535355SRT1, 1/2hp .

Somebody in the neighborhood probably has a remote that is on the same code as yours. Try changing your codes first, to see if problem stops. Consult the owner's manual for code instructions.

A transmitter nearby can also create noise on the remote push button switch as well, and perhaps trigger the door to cycle. You should be able to disconnect the pushbutton switch at the opener, and use remotes until satisfied that problem has been corrected. If this is the case, talk to Tech Support line (again, in manual) about reducing noise / interference susceptibility.

Jun 17, 2010 | Sears Craftsman LiftMaster Chamberlain...

1 Answer

Last weekend I installed a new craftsman garage door opener. Twice now the garage door has opened on its own. The first time, I thought it might have been activated by one of my neighbor's remotes, but...

There may be an electronic short in either the wall control button or the receiver logic board. In this case, remove the wall control wires from terminals 1 and 2 on the motor unit. Should the symptoms persist after the wires are removed, replace the receiver logic board. If the symptoms stop with the wall control wires removed from the motor unit, replace the wall control button or the wires leading to the wall control button.

Make sure none of the staples have cut through the wires leading to the wall control.

Apr 17, 2010 | Sears Craftsman LiftMaster Chamberlain...

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Chamberlain Lift Master Pro Formula 1 only makes click sound

Is the door stuck in the open position? If so the trolley is probably jammed against the bolt just in front of the motor unit. Loosen the chain enough to free the trolley and then run the opener until the door is closed. While the door is closed locate the 'up limit' on the side of the motor unit and turn this control 2 complete turns in the opposite direction of the arrow printed on the cover. Tighten the chain.

Apr 03, 2010 | Sears Craftsman LiftMaster Chamberlain...

1 Answer

Ge Profile dishwasher. Clicking noise, sounds

sound like the unit is not leveled and the door is rubbing metal.
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1 Answer

Door opener activates itself--don't know how to correct it.

Anytime a door opens and/or closes by itself I look for a smashed wire between the motor unit and the wall button.

If the wire is smashed the insulation becomes so thin that power will leak thru the insulation and activate the door.

Loosen the staples with a small screwdriver and slide the wire about ½ inch to move any areas of thin insulation away from the staples.

The second thing would be a bad wall button or a remote with a sticking button.
Or a remote in someone’s purse that gets the button pushed by other stuff in the purse.

The test is to disconnect the push button wires at the power unit. If the self operation stops you have located the problem. If you reconnect the wires and disconnect the wire at the wall button this will tell you if the problem is the wire or the button.


Apr 07, 2009 | Sears Craftsman LiftMaster Chamberlain...

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