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

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My Crafstman garage opener is melting my light bulbs!

My Craftsman opener is 9 years old and this problem started about 5 years ago. I have tried regular 60W bulbs and energy efficient bulbs, but the same problem occurs. After 2 months of use, the bulbs begin flickering on and off when I open the garage door. Eventually they stay off. I initially thought these bulbs were burning out prematurely, but after I inspected the bulbs, I discovered the conductive tips on the very end of the bulbs that go into the sockets are burned through. Any ideas on another bulb that will not get "melted"?

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  • carothe Nov 15, 2009

    Re: my post above, I found a possible reason why the soldered ends (or contacts) of the bulbs in my opener are melting. The contacts are not making good contact with the metal tabs in the bottom of each socket, causing "arcing". I figured this out after reading about this problem here:http://www.askthebuilder.com/EM0017_Ligh...

    I shut the power off and bent the tabs in the sockets so they make better contact with the bulbs. We'll see if this works.

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Rather than new bulbs I suggest you unplug the unit and use a small screwdriver to pull out on the center contact of the light socket.

Posted on Nov 15, 2009

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