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

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Anonymous
Anonymous Posted on Jan 31, 2010
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In trying to lift the metal tab in the light socket it sparked and now the garage door opener doesn't work.

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  • Anonymous Feb 01, 2010

    I tried that and nothing.

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  • Master 3,197 Answers
  • Posted on Feb 01, 2010
Anonymous
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You should have unplugged the unit first. Check your house circuit breakers.

  • Anonymous Feb 01, 2010

    Unplug the unit and remove the logic board. Check for burnt or missing traces on the printed circuit especially around the small transformer.

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Related Questions:

0helpful
3answers

I have a liftmaster fromula 1 GDO. The lights do not come on when the dorr opens. The lightbulbs are good. Any help?
There may be a switch up by the lights, it may just not be set to turn on when the door opens. Also I found on mine, the opener attached to the wall in the garage has a button that turns the lights on and off.
Read full answer
Dec 08, 2014 • Sears Craftsman LiftMaster Chamberlain...
0helpful
1answer

Chamberlain whisper drive
if you are using the new florescent bulbs they don't always seat deep enough. Unplug the opener remove the bulb in the bottom of the socket there's a metal tab use your finger or a small screwdriver and bend/lift the tab up a little bit. this should fix your problem
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Aug 03, 2014 • Chamberlain 3/4-HP Whisper Drive Plus...
0helpful
2answers

Reference: Sears 41A 3624 garage door opener. The door mechanism works just fine, but the two attached bulbs do not light. Yes, they are new.

If the opener's light bulbs do not turn on, but all other functions of the opener seem to work properly, then there is usually a quick and easy solution:

  1. Unplug the garage door opener.

  2. Remove the light bulb, and check to be sure the bulb is not burned out.

  3. Locate the small metal tab at the base of the socket. Clean away any corrosion you may find on the tab as much as possible. With a small instrument, generally pry up on the metal tab to ensure that it will make solid contact with the light bulb.

  4. Reinstall the bulb, plug the opener back in, and the bulb should illuminate.



FYI 41A3624 is the part number for that circuit board. The model number for the opener is on the opposite end and starts with 139.

Read full answer
Nov 15, 2010 • Sears Craftsman LiftMaster Chamberlain...
5helpful
2answers

The lights on my liftmaster garage door opener suddenly stopped working I have already replaced the old light bulbs with ones I know work but the lights are still not working.
Unplug the opener and remove the light bulb. Using a small screwdriver lift up on the center contact of the socket. Replace the bulb and plug the opener in.
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Oct 18, 2010 • Sears Craftsman LiftMaster Chamberlain...
0helpful
1answer

Have model3585 3/4 HP liftmaster door works lights do not

If the opener's light bulbs do not turn on, but all other functions of the opener seem to work properly, then there is usually a quick and easy solution:

  1. Unplug the garage door opener.

  2. Remove the light bulb, and check to be sure the bulb is not burned out.

  3. Locate the small metal tab at the base of the socket. Clean away any corrosion you may find on the tab as much as possible. With a small instrument, generally pry up on the metal tab to ensure that it will make solid contact with the light bulb.

  4. Reinstall the bulb, plug the opener back in, and the bulb should illuminate.


Read full answer
Oct 10, 2010 • Sears Craftsman LiftMaster Chamberlain...
0helpful
1answer

THE LIGHTS ATTACHED TO THE MOTOR DO NOT GO ON WHEN i OPEN THE DOOR NOR WHEN THERE IS MOVEMENT IN THE GARAGE
If the opener's light bulbs do not turn on, but all other functions of the opener seem to work properly, then there is usually a quick and easy solution:
  1. Unplug the garage door opener.
  2. Remove the light bulb, and check to be sure the bulb is not burned out.
  3. Locate the small metal tab at the base of the socket. Clean away any corrosion you may find on the tab as much as possible. With a small instrument, generally pry up on the metal tab to ensure that it will make solid contact with the light bulb.
  4. Reinstall the bulb, plug the opener back in, and the bulb should illuminate.


Read full answer
Jan 24, 2010 • Sears Craftsman LiftMaster Chamberlain...
0helpful
2answers

I have a genie screw drive and it has been working fine. Now neither of the two lights will come on when the door is activated. I replaced both of the bulbs and unplugged the unit to reset, neither of...
This is a fix for Liftmaster openers. Don't know about Genie but you can try.

If the opener's light bulbs do not turn on, but all other functions of the opener seem to work properly, then there is usually a quick and easy solution:
  1. Unplug the garage door opener.
  2. Remove the light bulb, and check to be sure the bulb is not burned out.
  3. Locate the small metal tab at the base of the socket. Clean away any corrosion you may find on the tab as much as possible. With a small instrument, generally pry up on the metal tab to ensure that it will make solid contact with the light bulb.
  4. Reinstall the bulb, plug the opener back in, and the bulb should illuminate.



Read full answer
Jan 24, 2010 • Sears Craftsman LiftMaster Chamberlain...
1helpful
1answer

My garage door light does not always turn off when the door closes
If the opener's light bulbs do not turn on, but all other functions of the opener seem to work properly, then there is usually a quick and easy solution:
  1. Unplug the garage door opener.
  2. Remove the light bulb, and check to be sure the bulb is not burned out.
  3. Locate the small metal tab at the base of the socket. Clean away any corrosion you may find on the tab as much as possible. With a small instrument, generally pry up on the metal tab to ensure that it will make solid contact with the light bulb.
  4. Reinstall the bulb, plug the opener back in, and the bulb should illuminate.


Read full answer
Jan 13, 2010 • Sears Craftsman LiftMaster Chamberlain...
0helpful
1answer

My lights on my openers dont always come on when the door opens on my sears openers
If the opener's light bulbs do not turn on, but all other functions of the opener seem to work properly, then there is usually a quick and easy solution:
  1. Unplug the garage door opener.
  2. Remove the light bulb, and check to be sure the bulb is not burned out.
  3. Locate the small metal tab at the base of the socket. Clean away any corrosion you may find on the tab as much as possible. With a small instrument, generally pry up on the metal tab to ensure that it will make solid contact with the light bulb.
  4. Reinstall the bulb, plug the opener back in, and the bulb should illuminate.


Read full answer
Jan 01, 2010 • Sears Craftsman LiftMaster Chamberlain...
1helpful
1answer

Univeral Garage Door Opener
I'm sure you know this now but it sure would have been safer had you unplugged the unit first.
Read full answer
Jul 29, 2009 • Sears Craftsman LiftMaster Chamberlain...
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I have a liftmaster fromula 1 GDO. The lights do not come on when the dorr opens. The lightbulbs are good. Any help?

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

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