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

1 Answer

Garage door opener

When I press the open/closed button on the door control panel or on my wireless remote, the light bulbs on the garage door opener light up but the door will not open. I do not hear the sound of the motor running only a clicking sound, each time I press the open/close button on the remote or door control panel. I tried unplugging the unit for a time but it didn't do the trick. Any idea what the problem may be?

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  • ryanpv May 04, 2008

    I'm having the same problem. Did the one solution provided help?

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Pop open the cover and check for loose wiring. Also check to see if the capacitor is still good that powers the motor.

Posted on Apr 25, 2008

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How to change code on the garage door opener and the remote control on a lift master garage door opener


If you have a 315MHZ LiftMaster Garage door opener do the following:
Follow the purple wire (Antenna) up and you will see a square purple button.
Press and hold the square purple button for ten seconds until the amber led goes out.
Press and release the purple button one time (The amber led will come on solid).
Press and hold the button on the garage door opener remote control for two seconds (The light bulb on the garage door opener will blink and you will hear a click sound the amber led will go off).
to program the wireless keypad do the following:
Press and release the purple button one time (The amber led will come on solid).
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What does the purple button light flashing on 1/2 horsepower craftsman garage door opener


I think the adjustment mode is on.

For example, that's from Craftsman manual:

""
Setting the Force
The force setting button is located on the left panel of the motor unit. The force setting measures the amount of force required to open and close the door.
1. Locate the purple button on the left panel of the motor unit (Figure 1).
2. Push the purple button twice to enter the opener into Force Adjustment Mode (Figure 2). The LED (Indicator Light) will flash quickly.
3. Push the remote control or control console (Figure 3). The door will travel to the DOWN (close) position.

""

Actually, you should just read carefully your garage door opener unit's manual.

Craftsman Garage Door Opener Remote

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That button on the wall is called a wall control. If you have a wall control with 3 buttons and the light in the control is flashing you need to press the lock button and hold for 3 seconds. Make sure the battery in your remote is good.

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Make sure the light in the wall control is not blinking. If it is press and hold the lock button on the wall control for 3 seconds.

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  • Stuck remote control button. Check all remotes. check LED on receiver.
  • Staples around Multi-Function Control Panel bell wire could be cutting into that wire. Remove wires from opener and test. Replace staples causing intermittent short.
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Dec 28, 2008 | Sears Craftsman LiftMaster Chamberlain...

1 Answer

I have the similar problem + the light bulb is on all the time???


HOLDING DOWN THE WALL BUTTON OVERRIDES THE SAFETY EYES.
WHEN HOLDING IT DOWN MAKES THE DOOR CLOSE PROPERLY THE PROBLEM IS IN THE SAFETY EYES.

ARE BOTH LEDS ON? - CHECK FOR A LOOSE OR BROKEN WIRE.
ARE THE EYES WIRED CORRECTLY?
ARE THEY AIMED AT EACH OTHER?

YOU CAN GET THE FULL INSTRUCTIONS AT LIFTMASTER.COM
THE MODEL # WILL BE DIFFERENT BUT THE INSTRUCTIONS ARE THE SAME LOOK AT THE MANUAL FOR MODEL 3280

HOPE THIS HELPS

Apr 21, 2008 | Sears Craftsman LiftMaster Chamberlain...

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