Question about Sears Craftsman LiftMaster Chamberlain Garage Door Opener Wireless Keypad Model 976LM Security+
The two should not have anything to do with each other.. Right???
Did you clear the codes existing in the unit? (Press and hold the learn button; LED light will stay lit for approx. 6 seconds.) If you have remotes that have dipswitches, pop the battery cover off and make certain that all switches are set identically in each remote. Now, press the learn button on the main unit and immediately release. While its LED light is lit, press the button on ONE of the remotes only. They will ALL be programmed at this point. Now, press the learn button once more (quickly and release) and enter your number code on your keypad and press enter. It should be programmed now, too.
I was having a similiar problem, and this turned out to be the solution. Before, I was programming both remotes, not knowing as I did so that by programming one, and then another, I was UNprogramming the the first as well as the keypad.
I hope this works for you. It did for me.
Posted on Jan 23, 2009
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Posted on Jan 02, 2017
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