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

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My CAME V600 garage door opener has stopped functioning. The 'signal LED' is flashing. pressing the remote does nothing and pressing the AP/CH button makes the LED full on.

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This sounds like a logic board issue. Get a surge protector 900 joules or higher no matter what you do. You can find the web store in your manual for replacement parts. Thanks BB

Posted on Sep 05, 2010

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Posted on Jan 02, 2017

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I for got the password to garage door keypad control model GB-318


1. Press the learn button on the side of the GB-318.
2. Once the learn button is pressed, the LED will
flash quickly. Release the learn button.
3. Within 30 seconds, press
the button on the remote
control you would
like to program.
4. Once the remote control is programmed, the LED
will flash slowly, in the same way as it flashes
in standby mode.
5. You may now operate the garage door opener
with this remote control

Feb 05, 2015 | Building Materials

Tip

Garage Door Remote Doesn't Work


Here’s a problem I’ve run into several times lately- the garage door opener remote no longer works. The good news is the solution has been very simple. Check your wall control.

Is the led solid or flashing? If it’s flashing you’re in luck. The wall control should have two buttons, one with a light symbol and one with a lock symbol. Press and hold the lock button for a few seconds then release. The led on the wall control should now be solid and your remotes will now function.

What’s that button for, you ask? Good question. It is a “vacation mode” setting so that when you’re gone the remote function is disabled decreasing the likelihood of break-in.

Most times no one pays much attention to the lock button; they are usually going for the light button and press lock by mistake.

Now if the wall control led was solid the whole time, this gets a little trickier. Grab a ladder and take a look at the side of the garage door opener where the wire hangs down, that’s the remote antenna. Near the antenna will be the “learn button” where you program the remotes. Right next to this button is an led. Now we can test the remote by pressing the button (on the remote not the learn button) and see if the led on the garage door opener lights up.

If the led lights up but there is no reaction from the opener it may be that the opener just needs to be reprogrammed. Sometimes the garage door opener gets a “brain freeze” and loses sync with the remote. Press the learn button and quickly release it, you now have 30 seconds to program your remote. Press and hold the remote button until you get a reaction from the opener, either the lights will flash or you will hear a click. Try your remote now to see if it works. If you are still having trouble the garage door opener’s logic board (where the learn button is located) may be faulty. This would be a very costly repair unless you are savvy enough to replace it yourself.)

If the led on the opener did not light up you may have a bad battery in the remote, the remote itself is bad or again the logic board is defective.

on Jan 24, 2010 | Sears Craftsman LiftMaster Chamberlain...

2 Answers

Moved to a place with a 139.53975SRT1 Garage Door and Keyless Entry. Keyless entry stopped working and I cant get code to operate door. All remotes stopped working. Reset codes with Learn button,...


Try this method for programming. Press and hold the button down on the remote while you press and immediately release the learn button. Do this for each remote.

Have you replaced the battery in the keypad? Try this:

Locate the smart/learn button on the rear of the motor unit near where all those white wires go. Press and immediately release this and then walk over to the keypad and key in any 4 digit code you like and press enter.

Post back with your results.

Jan 14, 2011 | Sears Craftsman LiftMaster Chamberlain...

2 Answers

Just replaced the battery and it doesn't work...any advise?


If the battery didn't fix it is probably has just quit working.

Jun 07, 2010 | 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...

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

My garage door opener stopped working, I hit the reset button and it started working again, the wired remote on the wall works, but my 2 wireless remotes do not work, I have followed directions to...


IS THE LED FLASHING ON THE WALL BUTTON??

IF THE LED IS FLASHING THE LOCK FEATURE HAS BEEN ACTIVATED. PRESS THE LOCK BUTTON ON THE WALL CONTROL AND THE LED SHOULD STOP FLASHING.

NOW YOU CAN REPROGRAM REMOTES AND YOU ARE ALL SET.

Sep 09, 2008 | Sears Craftsman LiftMaster Chamberlain...

1 Answer

Garage door opener


I was having a problem with the remotes. Program one remote, and the other stops working and vice-versa. I found the solution to be as follows: Using 61LM single-button remotes for Lift-master WhisperDrive (belt drive) garage door opener, I set the dipswitches (find them by removing battery replacement cover) to identical settings in both remotes. Set the first dipswitch to the neutral (0) setting. Next -- and this is the important part -- press the learn button on the main door opening unit, and, while the small LED light is lit, press the button on ONE of the remotes. DO NOT REPEAT ON THE SECOND REMOTE. Upon doing this, I found that BOTH remotes at last worked. I then went on to program a keyless entry pad, which was accomplished by again pressing the learn button on the main unit, and then entering the number sequence I had chosen for my entry code on the keypad, and pressing Enter. Both remotes continued to function and the keypad functions as well.

Mar 11, 2008 | Sears Craftsman LiftMaster Chamberlain...

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