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

3 Answers

My light on my craftsman garage door opener won't turn on

I changed the light bulbs. I tried the wall mounted on off button for the light does anyone have any other ideas why it doesn't work.

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Unplug the unit from the power and take a small screwdriver and lift the center contact in the light sockets just a bit. This usually fixes the problem if you haven't had electrical surges or lightning.

Posted on May 20, 2009

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I just installed my garage door opener, but the light won't turn on and i can't align the sensors, i get to the point where the green light stays steady for a few seconds then it blinks then it goes to steady and blinks. any idea what i did wrong?

Posted on Mar 29, 2010

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If your door does not go up and down check the circuit breaker or fuse box.

Posted on May 20, 2009

6 Suggested Answers

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Posted on Jan 02, 2017

Doorguy27
  • 30 Answers

SOURCE: 1.3HP CRAFTSMAN CHAMPION GARAGE DOOR OPENER-NEW IN 2004

Well sounds like its a pressure setting. you said you open the door by hand? Was it easy to do? Ask your self this can a 15 year old kid open it and close it? If so then it sounds like its a presure setting There should be two blue slots on your opener with numbers 1-9 says up and down force. Turn the up force towards the bigger number. Just a little bit. But before you do that as the other guy stated make sure that your cables and springs are working. Spring depending on your doors can be in three places but we going to assume you has the most common set up so look over the top of your door (with it closed) you should eb able to see a tube running across there. and somewhere in the in middle a set of spring look at the spring to make sure that you dont see any of the tube showing in the springs. Becare not to touch the spring as they are under a lot of stress.

Posted on Feb 10, 2009

moeshere
  • 33 Answers

SOURCE: craftsman garage door opener (1/2 hp) - light flashing

most of the time when the lights start flashing on them and they won't work it's something in the way of the eyes that cross the garage at the bottom are something bummed them and there not lining up no more check that first.

Posted on Apr 05, 2009

  • 3197 Answers

SOURCE: Sear garage door wall mount contol light keeps blinking

One of the buttons has a lock icon. Hold that button in for 3 seconds.

Posted on May 17, 2009

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SOURCE: Sear garage door wall mount contol light keeps blinking

Hold the button with the lock icon in for 3 seconds. This should toggle the unit off vacation mode and your remotes will work.

Posted on Jun 01, 2009

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SOURCE: I have a craftsman garage door opener (1/2 hp) won't close proper

Check your door sensors. They have probably been bumped. Tweak them until they are pointed at one another and the small light on each one is lit and not blinking.

Posted on Jun 01, 2009

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