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

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All garage door transmitter would not work

All my garage door transmitter suddenly will not work. I tried reprogramming all transmitters but they still will not work. The garage door only closes and opens using the manual switch, not transmitters will work with it.

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The lock is probably engaged. Look at the wall button, the green light is probably flashing. Hold down the lock button for 3 seconds and light should be solid. Your remotes should work now

Posted on Jan 19, 2009

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Automatic garage door not responding to any transmitters


Sounds like you need to reprogram all the remotes. Instructions should be with the new unit and even on the back of the unit up top .I just reprogrammed all of mine. When I installed my wall unit the others quit as well so I reprogrammed them. all.

Jan 01, 2016 | Building Materials

1 Answer

Help truck was stolen, I used remote control to "teach" truck how to open door... I reset door opener and relearned the remote..my question is do the remote have a new entry code when I learn, or remote is...


Ounce you reset ALL code of the garage door opener (engine hook up to the ceiling of the garage that open up the door), ounce you press the reset button on the unit, it disable all transmitter (portable or the one install in your vehicle). Your garage door opener has a receiver in it and your all units that you press on to open the door are the transmitter, so by pressing the reset button on the door opener, you erase all codes of all the transmitter that where programmed to open-up that door.

So if you teach your vehicle using a portable unit and you now reprogram your new vehicle with the SAME portable transmitter, then yes who ever has your stolen vehicle can come back with your stolen vehicle to your house and open up your garage door since you re-programmed the door opener using the SAME transmitter same code sent to the unite to active it).

Buy a new transmitter to re-programmed your new vehicle

Jul 13, 2014 | Building Materials

1 Answer

Remote transmitter stopped working, changed battery, reprogrammed opener and it works but now only at a very short distance - about 1 -2 feet. Is this a transmitter issue or the opener?


There is no way to tell if you only have the one transmitter. If you have another remote or a wireless keypad that is working normally then it is that remote.

Jul 07, 2011 | Sears Craftsman LiftMaster Chamberlain...

1 Answer

How do i reprogram the remote transmitters i have along with the new transmitter that come with the opener? Chamberlin Security+ type


If you are trying to program remotes that are older than April 2005 they will not work with your new opener.

Feb 13, 2011 | Sears Craftsman LiftMaster Chamberlain...

1 Answer

I installed a new garage door opener in Sept, all was good until my neighbor installed a new on 1 week ago-now my garage door is opened when i get up, can i reprogram my unit?


Hi Diane.... yes. Newer garage door openers don't have changeable codes inside the unit or transmitters. You use the learn button to erase all the memory & to program transmitters into the unit. Each transmitter has a unique signal permanently set at the factory.
If you have had your garage door opener for a few years, you have to make a change on the back of the motor unit up by the ceiling and in the remote[s] by changing one or more tiny switches, called dip switches. Open up the remote and and take a look. If you have the dip switches, a series of tiny rocker switches that can rock one way or the other, then just change one or more of them to the opposite side and do the same with the set of dip switches on the back of the motor in the garage that moves the door.

If you have a newer system, one with no dip switches, you will just erase the memory and reprogram it with a new memory. To do that:

Programming Steps: 1) Locate the smart button on the motor head which is directly under the screw terminals where the push button and photo-cell wires connect to the unit and above the antenna wire. You may have to remove a lens or light cover to gain access to the learn button. 2) Push the smart button momentarily (Holding the smart button until the L.E.D. light beside the button goes out will erase all transmitter and keyless entries that are programmed into the unit) and verify the
L.E.D. light next to the button is lit solid. 3) Push the transmitter button that you want to use for that door within thirty seconds and before the
L.E.D. goes out. The L.E.D. will flash once and the transmitter will operate the door the next time the button is pushed. 4) If you have more than one door and a multi-button transmitter repeat steps 2-3 above for each door by using a different transmitter button for each unit. (Using the same button for more then one door at the same location will cause all the doors using that button to open and close at the same time and is not recommended.) The openers normally come with a single or a 3-button transmitter but 2-button and
4-button transmitters are also available as an option. 5) Repeat steps 2-3 above if you have more than one transmitter to program into your garage door opener.


Joe

Thanks for choosing Fixya!

Jan 12, 2011 | Chamberlain Powerdrive PD422D 1/2 HP...

1 Answer

I don't have the owner's manual for my 2002 GMC Yukon XL Denali. Do you know how to program the garage door opener?


I hope this helps.

Programming the HomeLink Transmitter
Do not use the HomeLink Transmitter with any garage
door opener that does not have the stop and reverse
feature. This includes any garage door opener model
manufactured before April 1, 1982.
Be sure that people and objects are clear of the garage
door you are programming.
It is recommended that a new battery be installed in
your hand-held transmitter for quicker and more
accurate transmission of the radio frequency.
Your vehicle's engine should be turned off while
programming the transmitter. Follow these steps to
program up to three channels:
1. Decide which one of the three channels (one of the
HomeLink buttons) you want to program.
2. Press and hold the desired button on HomeLink
through Step 3.
3. When the HomeLink indicator light begins to blink
slowly (this may take up to 30 seconds), hold the
hand-held transmitter about 1 to 3 inches (3 to 8 cm)
away from HomeLink and then press and hold the
transmit button on the hand-held transmitter.
Continue to hold both buttons until the indicator
light on HomeLink begins to flash rapidly (this may
take up to 90 seconds).
If you have trouble programming HomeLink, make
sure that you have followed the directions exactly as
described and that the battery in the hand-held
transmitter is not weak. If you still cannot program it,
move the hand-held transmitter to the left or right or
forward or backward or flip it upside down. HomeLink
may not work with older garage door openers that do
not meet current Federal Consumer Safety Standards.
If you cannot program the transmitter after repeated
attempts, refer to "Training a Garage Door Opener with
Rolling Codes" later in this section or contact the
manufacturer of HomeLink at 1-800-355-3515,
or on the internet at www.homelink.com.
Be sure to keep the original hand-held transmitter in
case you need to erase and reprogram HomeLink.


Training a Garage Door Opener with a
"Rolling Code" Feature (If Equipped)
If you have not previously programmed the hand-held
transmitter to HomeLink, see "Programming the
HomeLink Transmitter" listed previously. If you have
completed this programming already, you now need to
train the garage door opener motor head unit to
recognize HomeLink.
1. Find the "Learn" or "Smartbutton" on the garage
door opener motor head unit. The exact location and
color will vary by garage door opener brand. If you
have difficulty finding the Learn or Smart button,
refer to your garage door opener owner's manual or
contact the manufacturer of HomeLink at
1-800-355-3515, or on the internet at
www.homelink.com.
Because of the steps involved, it may be helpful
to have another person assist in programming
the transmitter.
2. Press the Learn or Smart button on the garage
door opener motor head unit. An indicator light will
begin to flash when the motor head unit enters the
training mode.
Following this step, you have 30 seconds to
start Step 3.
3. Return to HomeLink in your vehicle and firmly
press and release the programmed HomeLink button
three times.
The rolling-code garage door opener should now
recognize HomeLink. You may either use HomeLink
or the hand-held transmitter to open the garage door.
If after following these instructions, you still have
problems training the garage door opener, contact the
manufacturer of HomeLink at 1-800-355-3515,
or on the internet at www.homelink.com.
www.gmcextendedwarranty.com

Dec 19, 2010 | GMC Yukon XL Cars & Trucks

1 Answer

Replaced batteries on klick2u garage door opener. Having trouble reprogramming with 2000 liftmaster garage door opener


You will need to match the 10 dip switches inside the transmitter to the 10 on the motor head. That is is. Thanks BB

Jan 02, 2010 | liftmaster Chamberlain Garage Door Opener...

1 Answer

Garage door opener remte built in in my van suddenly stopped


TRY DISCONNECTING THE WIRE TO THE WALL BUTTON. IF THE VISOR REMOTE NOW WORKS YOU HAVE A BAD BUTTON.

HOPE THIS HELPS

Jul 30, 2009 | liftmaster Chamberlain Garage Door Opener...

3 Answers

Reprogram garage door opener


GOTO HOMELINK.COM

THEY MAKE THE SYSTEM AND HAVE INSTRUCTIONS YOU CAN DOWNLOAD.

PLEASE NOTE: NOT ALL BRANDS/MODELS OF OPENER WILL WORK WITH THIS SYSTEM.

HOPE THIS HELPS

Apr 30, 2009 | 1997 Lincoln Town Car

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