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

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My Liftmaster Secirity Plus makes a clicking sound when the wall button is pushed and motor does not run. We did not have a storm with lightning strikes. Any suggestions? Thank you Nick

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Remove the cover and take a look at the drive gear. It sounds like it is stripped.

Posted on May 12, 2009

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Garage door will only shut if I hold down wall button, sensors are aligned, one is green, one is orange, this happened after a lightning storm


If when closing the door it reverses to the open position and the main light flashes 10 times it is a door sensor problem. Make sure the small light on each sensor is on and not flickering ever so slightly. (check closely) Tweak them a little even though they may seem to be okay. Check for 5vdc between terminals 2 and 3 on the rear of the motor unit. If there is no voltage or if it is greater than 6vdc the logic board is bad.

Jul 29, 2012 | Sears Craftsman LiftMaster Chamberlain...

1 Answer

Push the wall mounted button & all that happens is the light on the opener comes on. the motor makes no noise at all.


On the rear of the motor unit near where all those white wires go you will see a small light. See if it is sending a code. If so, it will flash and pause and repeat. If you have had electrical storms or power surges you will need to check the logic board for burnt or missing traces on the printed circuit.

Sep 08, 2010 | Sears Craftsman LiftMaster Chamberlain...

1 Answer

Champion Liftmaster Garage will not open or close. Just clicks


Pull the logic board and check for burnt or missing traces on the printed circuit. I would guess at an estimate of $125.00 but don't even know where you live.

Aug 02, 2010 | Sears Craftsman LiftMaster Chamberlain...

1 Answer

After a lightning storm, my LIftmaster Formula 1 garage door opener will not close without continually holding down the garage door button on the wall. If you push the button once and then let go it will...


If when the door reverses the main light flashes 10 times you have a problem with the door sensors. Make sure they are pointed at one another and the small light on each one is lit and not flickering. They must be pointed at one another for both lights to be on. If you cannot get the lights to come on you have a bad logic board.

Jun 13, 2010 | Sears Craftsman LiftMaster Chamberlain...

2 Answers

Liftmaster mod 1245R (1999) has indicator lightLiftmaster mod 1245R (1999) has indicator light blinks 5 times. Door will not operate from hardwire button. Tried unplugging unit to reset but same 5 blink...


The LED flashing 5 times is the code for "RPM sensor or motor overload". Usually if it is the RPM sensor - which is a small printed circuit board just in front of the motor - it will run a few inches and then reverse. I doubt very much it is the motor. I would pull the logic board and check for loose or missing traces on the printed circuit. Especially if you have had any electrical storms or power surges.

Nov 16, 2009 | Sears Craftsman LiftMaster Chamberlain...

3 Answers

No reponse when using the remote, the wall control works fine.


The remotes use a receiver to actuate the door and the wall control does not. It sounds like your logic board is bad. Maybe a lightning storm recently? Try removing the board and look for burnt or missing traces on the printed circuit.

Sep 11, 2009 | Sears Craftsman LiftMaster Chamberlain...

1 Answer

My Craftsman Garage Door opener stopped working.


The most common part to go bad in these openers when lighting hits them is the logic board. Look for a white and black label that has your model number on it. Go to http://www.usdoorcontrol.com/manufacturers-other.html and find the newest revision board that is made. Repairing this problem is easy.

Jul 15, 2009 | Sears Craftsman LiftMaster Chamberlain...

1 Answer

Craftsman Garage Door Opener won't work after storm


Check to see if the trolley (the part that slides back and forth on the rail and is connected to the door) is jammed against the bolt just in front of the motor unit. If so, remove the bolt and run the door until it is closed. On the side of the motor unit there is an 'up limit' control. Turn this 3 turns in the opposite direction of the arrow printed on the cover. Be sure to replace the bolt.

Jun 16, 2009 | Sears Craftsman LiftMaster Chamberlain...

1 Answer

Both openers stopped working at the same time but they are both plugged in to an outlet that still has power. The lights are out on the opener wall switches. Wife thought she smelled electrical smoke when...


what openers? Sears/liftmaster of last 2 years have no reset. Sure power to outlet? Try a lamp. Did a gfi trip. Did wife run both doors to overheat them. they should cool off in 15 minutes. Do you have a surge protector. Did it go bad. Some kill power when they get cooked. Did you have a lightning storm. Culd have cooked logic boards.

Jan 12, 2009 | Sears Craftsman LiftMaster Chamberlain...

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