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

1 Answer

Remotes & key pad not working . Finally reprogrammed after many attempts. Now they only work within 5 feet of opener, I had to move keypad to garage frame and the remote doesn't work unless it is in the garage

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Limited range of your remote controls could be related to radio frequency interference that comes from something in your home or in the surrounding environment. Certain electrical devices can radiate interference; this could be almost anything that is plugged into an electrical outlet.



Please keep in mind that the device can be brand new, or can be an item that has been in use for quite a while. Also, the item may continue to function properly as far as you are able to tell. The only problem with the item may be that it has started to broadcast the interference, with no other symptoms noted.



Some devices are more likely to generate interference than others. This includes TV cable, cable amplifiers, surge protectors, fluorescent lights, battery charging devices (power tools, golf carts, etc.), anything that utilizes a timer (sprinkler systems, lights, alarm systems, etc.), and a myriad of others. If the problem seems sporadic, we can safely assume that the device responsible for the interference is only being operated during these times. Again, please keep in mind that the age of the device does not determine if it is capable of broadcasting unwanted interference. Any electrical device can be the source of the problem.



Power Down test:

To isolate potential sources of interference, turn the circuit breaker off to the garage and plug the garage door opener into an extension cord from another room. If the range improves, then the interference is coming from a device in the garage. If no improvement is seen follow the same procedure, this time turning off the circuit breakers to your home, with the exception of the garage and test the remote controls. If improvement is noted, turn the circuit breakers back on, one by one, until the range problem resurfaces. This will allow you to narrow down what room the problem device is in. You will have to go from there to isolate it further, by unplugging and re-plugging the items in that room.



If you are unable to determine any source of interference, then the receiver logic board in the overhead unit will need to be replaced.

Posted on Nov 09, 2010

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We can only get one remote to work when we reprogram the next one the first one stops working. the key pad is doing the same thing


You are probably not reprogramming the remote or keypad, but are using the remote to reprogram the receiver. But I can't get the instructions from the Chamberlain site without a model number. Here is their site:
http://help.chamberlain.com/help/en-us/programmingInstructions/

Jan 16, 2010 | Sears Craftsman LiftMaster Chamberlain...

1 Answer

Need to reprogram key less entry. 2002 Ford explorer sport.


Keyless Entry Keypad FAQ Ford Explorer
The keypad can be operated with the factory set 5-digit entry code
You can use the keyless entry keypad to
  • Lock or unlock the doors without using a key.
  • Open the liftgate window.
  • Activate or deactivate the autolock feature.

Where the code can be found
  • This code is located on the owner's wallet card in the glove box
  • Is available from your authorized dealer via scan code
  • Is marked on the computer module

Computer Module location
  • 1995 thru 2001 is located in the jack storage compartment in the rear of your Explorer. First remove the panel to the jack storage compartment. Towards the front of this area you should see a metal box this is your auto-lock module(way up front next to your rear left passenger seat). On the back side of this is your 5 digit code factory preset code. It is hard to get to. To see it you will have to loosen, pull, use a flashlight or a mirror but it can be done.

  • 2002 thru 2007 is in the right panel behind the middle row window. It is below the seat belt mechanism. You have to pull out the top plastic panel off, then loosen the lower panel to be able to see the face of the computer module. The code is on a sticker on the face of the module.

Programming a personal entry code The factory set code cannot be reprogrammed but you can create your own 5�digit personal entry code. When pressing the controls on the keypad, press the middle of the controls to ensure a good activation.
Up to three personal entry codes may be programmed to the vehicle. To create your own personal entry code:

  • 1. Enter the factory set code.
  • 2. Within five seconds press the 1 � 2 on the keypad.
  • 3. Enter your personal 5-digit code. Each number must be entered within five seconds of each other.
  • 4. Press 1 � 2, 3 � 4 or 5 � 6 to indicate which of the three personal entry code positions you wish to use.
  • 5. The doors will again lock then unlock to confirm that your personal key code has been programmed to the module.
Tips:

  • Do not set a code that uses five of the same number.
  • Do not use five numbers in sequential order.
  • The factory set code will work even if you have set your own personal code.
  • If you program a code to a position that already contains a set code, the previously-set code will be erased.

Erasing personal code
  • 1. Enter the factory set 5�digit code.
  • 2. Within five seconds, press the 1 � 2 on the keypad and release.
  • 3. Press and hold the 1 � 2 for two seconds. This must be done within five seconds of completing Step 2.
All personal codes are now erased and only the factory set 5�digit code will work.

Anti-scan feature If the wrong code has been entered 7 times (35 consecutive button presses), the keypad will go into an anti-scan mode. This mode disables the keypad for one minute and the keypad lamp will flash.

The anti-scan feature will turn off after
  • One minute of keypad inactivity.
  • Pressing the UNLOCK control on the remote entry transmitter.
  • The ignition is turned to the 3 (ON) position.

Unlocking and locking the doors, liftgate and liftgate window using keyless entry
  • To unlock the driver�s door, enter the factory set 5-digit code or one of the vehicle�s personal codes.
  • Each number must be pressed within five seconds of each other. The interior lamps will illuminate.
  • To unlock all doors and liftgate, press the 3 � 4 control within five seconds.
  • To open the liftgate window, press the 5 � 6 control within five seconds.
  • To lock all doors, liftgate and liftgate window, press the 7 � 8 and the 9 � 0 at the same time.

  • Note: The driver�s door must be closed. You do not need to enter the keypad code first.

Deactivating/activating autolock
  • Your vehicle comes with the autolock feature enabled.
Note: The autolock feature can be activated/deactivated independently of the autounlock feature.
Before following the activation or deactivation procedures, make sure that the anti-theft system is not armed, ignition is in the 1 (OFF/LOCK)position, and all vehicle doors, liftgate and liftgate window are closed.
*Keyless entry key pad procedure

  • 1. Turn the ignition to the 1 (OFF/LOCK) position.
  • 2. Close all doors, the liftgate and liftgate window.
  • 3. Enter 5�digit entry code
  • 4. Press and hold the 3 � 4. While holding the 3 � 4 press the 7 � 8.
  • 5. Release the 7 � 8.
  • 6. Release the 3 � 4.
The user should receive a horn chirp to indicate the system has been disabled or a chirp followed by a honk to indicate the system has been enabled.
Autounlock The autounlock feature will unlock all the doors when: � the ignition is in the 3 (ON) position, all the doors are closed, and the vehicle has been in motion at a speed greater than 12 mph (20 km/h); � the vehicle has then come to a stop and the ignition is turned to the 1 (OFF/LOCK) or 2 (ACC) position; and � the driver door is opened within 10 minutes of the ignition being transitioned to the 1 (OFF/LOCK) or 2 (ACC) position.
Note: The doors will not autounlock if the vehicle has been electronically locked before the driver door is opened.

Deactivating/activating autounlock - Keyless entry key pad procedure Your vehicle comes with the autounlock feature activated.

  • 1. Turn the ignition to the 1 (OFF/LOCK) position.
  • 2. Close all doors, the liftgate and liftgate window.
  • 3. Enter 5�digit entry code
  • 4. Press and hold the 3 � 4. While holding the 3 � 4 press the 7 � 8 twice.
  • 5. Release the 7 � 8.
  • 6. Release the 3 � 4.
The user should receive a horn chirp to indicate the system has been disabled or a chirp followed by a honk to indicate the system has been enabled.
The keyless entry touch pad can use two codes. The factory code and one
personal code .
To program your own personal code, select a 5 digit code that doesn't use 5 digits in
sequence or the same button 5 times.
Enter your factory code
Within 5 seconds press the 1/2 button
Within 5 seconds of pressing the 1/2 button, enter your 5 digit personal code,
pressing each digit within 5 seconds of the previous digit.
You can now use either code to operate the keypad

Setting FOB to work with your vehicle
  1. Sit in car, doors closed. Electronically unlock all doors using the power door unlock switch on the driver's door.
  2. Insert key into ignition switch and turn from OFF to ON 8 times within 10 seconds with the 8th time ending in the ON position. (5 times on some models)
  3. The doors should lock and unlock by themselves to signal programming mode.
  4. Using your remote: lock the doors.

Sep 16, 2009 | 2002 Ford Explorer Sport Trac

2 Answers

Craftsman 1/2 HP Garage Door opener problem


The remote and the keypad work through a signal sent to the receiver while the wall console, as you said it's wired directly to the opener, so it's likely that the receiver is shot. I'd try reprogramming the remote to just rule out the chance that all code wasn't erased first. (Press the learn button on the back of the operator head, stand back 5 feet and within 30 seconds slowly press the remote button a few times to see if it operates the opener). If this doesn't work, you can install an external LiftMaster universal receiver with the correct frequency and you should be good.
If there's a purple antenna hanging off the head, this is a 315 freq, use a 356LM, if black it's a 390 freq, use a 635LM receiver.
Then you'll have to reprogram your remote and keypad to the receiver.
Since there's also the issue with the light, there's also a possibility the circuit board got fried. Did you have any storms lately?

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

1 Answer

I have a craftsman garage door opener,i also bought a craftsman.


some door openers have a limited memory or a maximum number of remotes allowed this is usually 5-8 total entries. I works this way as you enter a device is progams into slot 1 on the memory then the next entry goes into memory 2 etc. if you exceed the number of memory slots then hte 1st one will be omited. You may have overridden your keyless if you have multiple remotes plus you car(s) may exceed your limit or you had several attempts with the keypad that used up the available slots. I recommend you try to reset the remotes now that you have successfully programed the keyless. If you find that reprogramming the remotes knocks out the new key pad then repeat the steps with all the remotes in sequence one after another. good luck

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

1 Answer

Liftmaster key pad opens door with a single number punch


You are using a universal keypad and usually the 0 button is "enter" look up directions for the brand keypad you are using

Jan 17, 2009 | Sears Craftsman LiftMaster Chamberlain...

2 Answers

Reprogram a keyless entry remote


Hello
this is how to program the remotes/keyless entry

How
  • Obtain all remote transmitters
  • enter the 5 digit permanent code into the keyless entry pad on the drivers door
  • Press the 1-2 switch on the keyless entry pad
  • Within 5 seconds
  • Press any button on the first remote transmitter
  • The doors should open then lock
  • Within 5 seconds
  • press any button on the second & third remote
  • within 5 seconds for each remote
  • to exit programming
  • simultanionusly press 7-8 & 9-0 switchs on the key pad or wait more then 7.5 seconds
NOTE
The 5 digit permanent code is located in one of the following places
  1. On the owners warranty card
  2. On the label on the inside the trunk/ boot
  3. On the owners code card
  4. On the centrel locking control module located in the drivers door
  5. In the PCM ford can get this for about $25.00
I hope this help
Regards Paul
www.limotec.co.uk

Jan 13, 2009 | 1995 Lincoln Town Car

2 Answers

Door close with wireless remote entry but will not open


It sounds like this remote has lost its program! you will have to reprogram it!I hope this helps ya!

Dec 15, 2008 | Sears Craftsman LiftMaster Chamberlain...

1 Answer

Remote has stopped working


Its possible you held the learn button down too long, this will erase all remotes. The best way to fix this is to press the learn button once and the hold down the button on the remote until the lights blink, you will have to do this with all remotes.
hope this helps.

Mar 19, 2008 | Chamberlain Powerdrive PD422D 1/2 HP...

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