Craftsman LiftMaster Chamberlain Garage Door Opener Wireless Keypad Model 976LM Security+: when i push the wall unit i hear a click from the ...

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Make sure the trolley isn't jammed against the bolt just in front of the motor unit.

Here is the link to the instruction manual look under Chamberlain Liftmaster Other and click the Liftmaster 976LM instructions

This button toggles off and on by holding in for 3 seconds.

If the main light flashes 10 times when you try to close the door it is a sensor problem. Make sure they are not flickering ever so slightly and that they are not loose on their brackets. Tweak them a little bit.

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

Terminal #2 - Three solid white wires. One from wall control and one from each of the door sensors.

Terminal #3 - Two white wires with black tracer from the door sensors.

No each manufacturer uses a different code that is built into the keypad.

On the rear of the g. door opener, there is a learn buttom.

The first step is to push this button in.

Then go to the remote and enter the new code you want

Press and hold the enter button.

The lights will blink and or you will hear two clicks.

The code you entered should be learned and ready to use

You have a bad logic board.