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

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Door will not open remotely. Light on unit flashes twice.

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  • mikenmeus Dec 30, 2008

    When remote control button is pushed the door does not open.


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You have the lock enguaged. Press and hold the lock button on the wall control for four seconds and remotes should work fine

Posted on Jun 16, 2010

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1 Answer

What does the purple button light flashing on 1/2 horsepower craftsman garage door opener


I think the adjustment mode is on.

For example, that's from Craftsman manual:

""
Setting the Force
The force setting button is located on the left panel of the motor unit. The force setting measures the amount of force required to open and close the door.
1. Locate the purple button on the left panel of the motor unit (Figure 1).
2. Push the purple button twice to enter the opener into Force Adjustment Mode (Figure 2). The LED (Indicator Light) will flash quickly.
3. Push the remote control or control console (Figure 3). The door will travel to the DOWN (close) position.

""

Actually, you should just read carefully your garage door opener unit's manual.

Craftsman Garage Door Opener Remote

Jun 21, 2014 | Sears Craftsman LiftMaster Chamberlain...

1 Answer

On the remote I will push the unlock button, then the car's horn honks and unlocks the doors. It also honks when I want to lock it. I am only pushing the lock or unlock button once. I'm not in the...


You can disable the chirp confirmation by using the following procedure

1. Turn the ignition on
2. Turn the ignition off
3. Press the valet switch 5 times, wait for the Status Light to flash twice, the parking lights to flash twice and the horn to chirp twice.
4. Press the valet switch 4 times, the MARS unit will respond with 4 Status Light flashes and horn chirps
5. Press the transmitter START button, the MARS unit will respond with 3 Status Light flashes and horn chirps
6. Turn thr ignition on to exit program mode

May 08, 2011 | Omega MARS-22 Remote Vehicle Starter with...

1 Answer

The wall control unit is flashing but it will close and open the garage door, but when I press the remote from the car the light flashes twice and it will not shut the door.


You may have 2 problems here. First press and hold the lock button on the wall control for 3 seconds. This should stop that flashing and your remotes should work. If the main light is flashing when you try to close the door you need to check that your door sensors are pointed at one another and the small light on each one is lit and not flickering. Tweak them a little.

Mar 01, 2011 | Sears Craftsman LiftMaster Chamberlain...

1 Answer

I have an opener stuck in vacation mode... the wall unit is one button, the remote is 3, but we bought this house and there are no markings on the buttons. How do I get it out of vacation mode?


Enter the existing Code and press * key. The light should flash twice. If the light does not flash twice you have the wrong code. Now enter the new code you want to use and press Enter. You should now be set to use the smart learn button on the back of your receiver.

Jan 08, 2011 | Sears Craftsman LiftMaster Chamberlain...

1 Answer

I have a Craftsman 13953919 door opener. My garage door opens during the day when I am not home. The alarm company calls me to let me know, and the police have been by twice. Nothing is stolen, so I can...


Here are some things to check.

Look at the LED light next to the SMART/LEARN button on rear of the motor unit. You may need to remove a light lens cover in order to see it. If the light is flashing rapidly this means you have a stuck button on one of your remote controls. Take the batteries out of each remote control. When you remove the batteries from the bad remote, the light will stop flashing. This remote needs to be replaced.


If one of your neighbors remote controls is inadvertently programmed into your receiver, you door will open when their remote is activated. If this happens you will need to clear out your receiver and reprogram your remote controls. Press and hold the smart/learn button for 6 seconds or until you see the small LED light near the button turn itself off. If the above steps have been followed and the symptoms continue, 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, and the wires leading to the wall control button.



Apr 14, 2010 | Sears Craftsman LiftMaster Chamberlain...

3 Answers

Remote missing on old dominator garage door opener


This is the most complicated way I know of coding a remote and I am a tech. who does this all the time.
Turn power off. Wait 3 sec's & turn back on. Quickly press program button on back of box twice. Lights will flash, bottom light will stay on. Press program button twice, & No. 3 light will start flashing. Press and hold your remote button until light stops flashing. Code will be accepted.

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

1 Answer

Light flashing after opening


look in your book it will tell you the problem count the numer of blinks

Jan 09, 2009 | Sears Craftsman LiftMaster Chamberlain...

2 Answers

Garage door only opens with wall unit


a component in the wall unit is failing , that makes the conection happen when the remote signal is recieved , ( it is recieving the remote signal but not sending it out to the control circuit for the motor )

Dec 29, 2008 | Sears Craftsman LiftMaster Chamberlain...

1 Answer

Garage Door only opens with wall unitq


The unit is in the lock mode, push and hold the lock button in for about two seconds and the green LED should stop flashing. Your remotes should work.

Dec 29, 2008 | Sears Craftsman LiftMaster Chamberlain...

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