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

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I have 3 Sears 1/2 horse garage door operators. One has a "red," one has a "green" and one has the "purple" set button. The purple one is the only one that I can use the wireless keyless entry keypad. I wonder if there is any way to adapt the keyless entry to be used on the red and the green buttons.

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Unfortunately there is no conversion for this. The purple is the newer digital radio frequency while the red & green are of the older frequency. The control boards are totally different. The best thing to do would be to get a second keypad for the older two openers. Good luck. Sorry I was the bearer of bad news, but if this helped you please vote thumbs up. Thanks

Posted on Jan 03, 2011

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You have 3 openers that are completely different when it comes to technology. A billion code, a security + and the opener with the purple button is on a different radio frequency. There is no way to open all 3 doors with a keypad.

Posted on Jan 03, 2011

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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

I have the Liftmaster Chamberlain Professional Formula I model 102.1499A and for some reason, the learn button will not sync with the homelink on two of my cars. Is there a way to reset the learn button? ...


Here is the information I have for homelink.

  1. Clear out anything previously programmed into the in-car system from the factory by holding down on the 2-outside buttons simultaneously, until the in-car LED starts flashing rapidly. This may take up to a minute (in most cases, the key should be on auxilary, and/or the car door must be shut).

  2. Decide which button you want to make to be your in-car garage door transmitter. Hold your transmitter up near the selected button, pressing both the garage door remote and the selected in-car transmitter button simultaneously. Hold down on the buttons until the in-car, LED light flashes rapidly. This sets the in-car remote transmitter to be your garage door openers make transmitter, but you are not done. You now need to make this in-car transmitter your personal transmitter.

3. Go to the Learn Button on your garage door opener. The button is usually next to the area where the floppy antenna is connected to the motor head. With Genie it is most often behind the light lens, and an indicator light flashes red when pressed. With Sears or Liftmaster (Chamberlain) it is near, or part of, the terminal screw board, and is a red, green or purple square button with a green, amber or purple indicator light. Press this learn button momentarily. The indicator light will turn on and blink if Genie or otherwise stay lit. For Genie systems, go back to the in-car transmitter button you programmed and press this button 3 or 4 times, or until the door starts moving. This should set your in-car transmitter to your garage door opener. For Liftmaster, Sears, or Linear Megacode press and hold the in-car button you programmed until the garage opener light flashes. Your in-car is now programmed to operate your door.



Jan 04, 2011 | Sears Craftsman LiftMaster Chamberlain...

1 Answer

How do i program my car to open the door? i have built into my new car. everytime i try to program it, it will not work. what am i doing wrong?


  1. Clear out anything previously programmed into the in-car system from the factory by holding down on the 2-outside buttons simultaneously, until the in-car LED starts flashing rapidly. This may take up to a minute (in most cases, the key should be on auxilary, and/or the car door must be shut).

  2. Decide which button you want to make to be your in-car garage door transmitter. Hold your transmitter up near the selected button, pressing both the garage door remote and the selected in-car transmitter button simultaneously. Hold down on the buttons until the in-car, LED light flashes rapidly. This sets the in-car remote transmitter to be your garage door openers make transmitter, but you are not done. You now need to make this in-car transmitter your personal transmitter.

3. Go to the Learn Button on your garage door opener. The button is usually next to the area where the floppy antenna is connected to the motor head. With Genie it is most often behind the light lens, and an indicator light flashes red when pressed. With Sears or Liftmaster (Chamberlain) it is near, or part of, the terminal screw board, and is a red, green or purple square button with a green, amber or purple indicator light. Press this learn button momentarily. The indicator light will turn on and blink if Genie or otherwise stay lit. For Genie systems, go back to the in-car transmitter button you programmed and press this button 3 or 4 times, or until the door starts moving. This should set your in-car transmitter to your garage door opener. For Liftmaster, Sears, or Linear Megacode press and hold the in-car button you programmed until the garage opener light flashes. Your in-car is now programmed to operate your door.


Nov 09, 2010 | Sears Craftsman LiftMaster Chamberlain...

1 Answer

We had a 1/2 horse opener with the model # 41A5021-3C in our garage .I put up another opener 41A3621 .Would like to know the wiring for the sensors and wall switch openers..The courtesy light comes on and...


The wiring should be.

Terminal #1 - White wire with red tracer from wall control.

Terminal #2 - White wire from wall control and a white wire from each of the sensors.

Terminal #3 - A white wire with black tracer from each of the sensors.

Apr 18, 2010 | Sears Craftsman LiftMaster Chamberlain...

2 Answers

How do you clear and re-enter a new code for wall mounted remote


To change the code you need to locate the smart/learn button which is near where all those white wires go. Press and immediately release it and then walk over to your keypad and key in any 4 digit code you like and press enter.

See if this works for your car.

  1. Clear out anything previously programmed into the in-car system from the factory by holding down on the 2-outside buttons simultaneously, until the in-car LED starts flashing rapidly. This may take up to a minute (in most cases, the key should be on auxillary, and/or the car door must be shut).
  2. Decide which button you want to make to be your in-car garage door transmitter. Hold your transmitter up near the selected button, pressing both the garage door remote and the selected in-car transmitter button simultaneously. Hold down on the buttons until the in-car, LED light flashes rapidly. This sets the in-car remote transmitter to be your garage door openers make transmitter, but you are not done. You now need to make this in-car transmitter your personal transmitter.
3. Go to the Learn Button on your garage door opener. The button is usually next to the area where the floppy antenna is connected to the motor head. With Genie it is most often behind the light lens, and an indicator light flashes red when pressed. With Sears or Liftmaster (Chamberlain) it is near, or part of, the terminal screw board, and is a red, green or purple square button with a green, amber or purple indicator light. Press this learn button momentarily. The indicator light will turn on and blink if Genie or otherwise stay lit. For Genie systems, go back to the in-car transmitter button you programmed and press this button 3 or 4 times, or until the door starts moving. This should set your in-car transmitter to your garage door opener. For Liftmaster, Sears, or Linear Megacode press and hold the in-car button you programmed until the garage opener light flashes. Your in-car is now programmed to operate your door.



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

1 Answer

I am not able to program my Homelink (car) opener using the Learn button on my Liftmaster Formula I. I used the Rolling Code program. I went through all the steps, indicator light flashed rapidly, I...


  1. Clear out anything previously programmed into the in-car system from the factory by holding down on the 2-outside buttons simultaneously, until the in-car LED starts flashing rapidly. This may take up to a minute (in most cases, the key should be on auxilary, and/or the car door must be shut).
  2. Decide which button you want to make to be your in-car garage door transmitter. Hold your transmitter up near the selected button, pressing both the garage door remote and the selected in-car transmitter button simultaneously. Hold down on the buttons until the in-car, LED light flashes rapidly. This sets the in-car remote transmitter to be your garage door openers make transmitter, but you are not done. You now need to make this in-car transmitter your personal transmitter.
3. Go to the Learn Button on your garage door opener. The button is usually next to the area where the floppy antenna is connected to the motor head. With Genie it is most often behind the light lens, and an indicator light flashes red when pressed. With Sears or Liftmaster (Chamberlain) it is near, or part of, the terminal screw board, and is a red, green or purple square button with a green, amber or purple indicator light. Press this learn button momentarily. The indicator light will turn on and blink if Genie or otherwise stay lit. For Genie systems, go back to the in-car transmitter button you programmed and press this button 3 or 4 times, or until the door starts moving. This should set your in-car transmitter to your garage door opener. For Liftmaster, Sears, or Linear Megacode press and hold the in-car button you programmed until the garage opener light flashes. Your in-car is now programmed to operate your door.

If this doesn't work your car and homelink may not be compatible.


Nov 22, 2009 | Sears Craftsman LiftMaster Chamberlain...

1 Answer

My Homelink wireless remote is stuck on fast flashing red light. I can't seem to clear my remote to program any of the buttons to my garage door opener. This is the second one I purchased, I had no...


Try this.

HOMELINK PROGRAMMING




  1. Clear out anything previously programmed into the in-car system from the factory by holding down on the 2-outside buttons simultaneously, until the in-car LED starts flashing rapidly. This may take up to a minute (in most cases, the key should be on auxilary, and/or the car door must be shut).
  2. Decide which button you want to make to be your in-car garage door transmitter. Hold your transmitter up near the selected button, pressing both the garage door remote and the selected in-car transmitter button simultaneously. Hold down on the buttons until the in-car, LED light flashes rapidly. This sets the in-car remote transmitter to be your garage door openers make transmitter, but you are not done. You now need to make this in-car transmitter your personal transmitter.
3. Go to the Learn Button on your garage door opener. The button is usually next to the area where the floppy antenna is connected to the motor head. With Genie it is most often behind the light lens, and an indicator light flashes red when pressed. With Sears or Liftmaster (Chamberlain) it is near, or part of, the terminal screw board, and is a red, green or purple square button with a green, amber or purple indicator light. Press this learn button momentarily. The indicator light will turn on and blink if Genie or otherwise stay lit. For Genie systems, go back to the in-car transmitter button you programmed and press this button 3 or 4 times, or until the door starts moving. This should set your in-car transmitter to your garage door opener. For Liftmaster, Sears, or Linear Megacode press and hold the in-car button you programmed until the garage opener light flashes. Your in-car is now programmed to operate your door.



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

1 Answer

Model 2000SDR - installed approx 1974 - button is


If you go to this website you will find the programming instructions under type 4. It lists the opener with the red smart/learn button.

http://www.chamberlain-diy.com/doityourself/pdfdocs/114A3484.pdf

Nov 04, 2009 | Sears Craftsman LiftMaster Chamberlain...

1 Answer

My Garage door is not opening or closing. One of


depending on model, both are green or one green/one orange. that is not your problem, however you really do not give me much to work with. "It does not work". Does chain move? Does motor run? What is you hold wall pushbutton? Give more info.

Apr 24, 2009 | Sears Craftsman LiftMaster Chamberlain...

1 Answer

Chamberlain Liftmaster Pro. Garage door Problems closing


The sensor eye - or more likely, the other end, the sensor light - probably got knocked out of alignment. The eye should have an LED on it - possibly one that glows green when it's ready to close or red when it's obstructed or out of alignment. Try adjusting the light until the LED on the receiver glows green.

Dec 07, 2008 | Sears Craftsman LiftMaster Chamberlain...

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