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

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Light bulbs burn out after a few days in garage door opener, craftsman 1/2 HP double lights. have used every kind out there, specially made for garage doors, etc.

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  • scottbaker Aug 11, 2008

    we'll see how long they last.

    Thank You

  • Anonymous Nov 23, 2008

    Except in my case, the lights do not burn out. I can screw them tigher or looser and get them to work again for a week or so then it happens again.

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I put a socket to plug fixture in where the bulb goes, bought a flourescent light with a cord from home depot and plugged it in. vibration has no effect anymore. garage nice and bright when i need it. I have two in my garage running off where the two light bulbs used to be. Get the cold start florescent with the new power saver tubes. JK in Mississauga, Ontario

Posted on Nov 28, 2008

Need to check all the bolts and make sure there tight make sure the chain or belt is tight also.
to much vibration is knocking out your filaments. I use regular bulbs in mine havent changed them in 3 years.

Posted on Oct 15, 2008

I had the same problem, started using CFL bulbs instead. No problem now.

Posted on Oct 08, 2008

Use yellow / white light bulb
not the yellow bulb

Posted on Oct 08, 2008

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Try REVEAL brand DOUBLE LIFE ceiling fan light bulbs, available from HOME DEPOT. The filament in those bulbs is much thicker than any others, and the one I installed on my own Sears GDO has lasted 3 months so far, compared to one week for others I have tried.

Posted on Aug 09, 2008

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1 Answer

What part do I need to replace to get the lights to work on a Craftsman garage door opener?


Sounds like a broken or disconnect wire. At least start their. Unplug operator. Take the cover/shroud off, using a bright flash light check all the wires for breaks or disconnects. Repair or reconnect. Also check the bulb screw housing are connect on the back side.

Oct 03, 2014 | Craftsman 1/2 HP CHain Drive Garage Door...

1 Answer

Craftsman 1/2 hp garage opener opens and closes, but when it is finished closing the opener buzzes. When I put the door up the buzzing stops. The light has not worked for several years. I replaced


For the lights, very common the contacts get flattened out and melted. I see this every day. Unplug the opener and let it sit for about 30 min. I never wait but just to be safe, let the capacitor loose its charge. With a precision flathead screwdriver or fingernail, bend the contacts in the light socket out about 1/8". Should help. Buzzing concerns me a little. May be an electrical issue. These openers use an AC brushed motor. They get very hot and in rare cases can catch fire. Theres gear grease and dust inside that has ignited in a few motors. There is an overheat switch built in but dont count on it. I would suggest buying a new machine. Find a DC motor with a belt drive. They last the longest and require the least maintenance. Marantec make the best in my opinion.

Aug 30, 2014 | Craftsman 1/2 HP CHain Drive Garage Door...

1 Answer

I have the raynor 1245RGD 1/3 HP. Garage Door Opener. The light in the garage used to turn on when I opened the door to the garage. Now it doesn't. I also don't know how to change the time on the clock.


Unplug the opener and remove the bulb. Use a small screwdriver to pry out on the center contact in the light socket. Replace the bulb and plug in the opener.

Jan 31, 2011 | Sears Craftsman LiftMaster Chamberlain...

1 Answer

I am having a problem with my Craftsman 1/2 HP garage door opener 139-53910. My light bulb does not come on when the garage door is opened or closed as it should. I don't have a manual. Is there a...


Make sure the bulb is good. Unplug the opener and remove the bulb. Use a small screwdriver to pry out on the center contact in the light socket. Replace the bulb and plug in the opener.

Dec 18, 2010 | Sears Craftsman LiftMaster Chamberlain...

1 Answer

The lightbulb in the unit burns out quickly, every 4-6 weeks. I have Lift Master 1/3 H.P. FCC ID #HBW1127, Part #41A4252-7D


You can buy bulbs designed for garage door openers. They are heavier duty. Also you should unplug the unit and remove the light bulb. Pull out on the center contact of the socket. Replace the bulb and plug the unit in.

Oct 17, 2010 | Sears Craftsman LiftMaster Chamberlain...

1 Answer

Replacement bulb only lights for a day and then burns out again


There are heavy duty/rough service bulbs you can buy at the hardware store that are made to withstand the vibrations. You might also try unplugging the opener and removing the light bulb. Use a screwdriver to reach down to the center contact in the light socket and pull out. That will increase the tension on the bulb somewhat.

Jul 09, 2010 | Sears Craftsman LiftMaster Chamberlain...

1 Answer

1/2 HP Craftsman Garage Door Opener works but lights don't


I think you are saying that normal incandescent bulbs do not work. If that is correct you should unplug the unit and using a small screwdriver reach into the socket and pull out slightly on the center contact.

Aug 07, 2009 | Sears Craftsman LiftMaster Chamberlain...

2 Answers

Garage door opener light bulbs burning out


You can replace the socket itself. Unless there is extreme vibration this will be your best bet. If there is vibration then use some rubber washers to lessen this. You can get replacement parts at chamberlain.com. Thanks BB

Mar 07, 2008 | Sears Craftsman LiftMaster Chamberlain...

2 Answers

My light bulbs keep burning out prematurely on my garage door opener.


This is a logic board issue. You can purchase a replacement one at searspartsdirect.com. Enter in your model number and a parts list will come up. This is a fairly easy install, make sure and unplug the unit first. You will have to reprogram the remotes. Thanks BB

Feb 18, 2008 | Sears Craftsman LiftMaster Chamberlain...

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