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Fix my Craftsman 139.53973SRT garage door opener? When the button is pushed, the motor runs but the chain doesn't move. When I get on a ladder and try to pull the chain (help it along) it wil

I don't know what else I can add. I called Sears repair but they want $99 just to come out to diagnose the unit. Parts and labor would be extra!

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If you disconnect the chain from the door (like you would do if the electricity went out and you needed to get the car in/out). Can you easily open and close the door by yourself? (it should not slam when closing).

If not then your springs could be bad or not set to the correct torque.

If you can open and close easily the door then there could be a issue with the motor or the gearing. BTW sears does not make garage door openers. They have OEM's rebrand their with sear's label. You don't need to have sear come out maybe a generic garage door person or even a handyman. But unless it's under warranty it won't be free.

Posted on Nov 26, 2014

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Posted on Jan 02, 2017

  • 118 Answers

SOURCE: motor runs but door does not open

you have a stripped gear on your opener. Replace gear and sprocket kit

Posted on Feb 08, 2009

pgh_pa_guy
  • 2992 Answers

SOURCE: Programming kepad for Sears Craftsman Garagedoor opener 1/2 hp

The only procedure I have ever followed is to press the learn button and then enter the code, and not do anything else. I think your last step of holding the button until the light goes out is clearing codes as fast as you enter them. Just stop after you enter your code and let the learn mode time out on its own. That should do it.

And don't put your head through the wall. It just causes more headaches.

Posted on Feb 21, 2009

ltfrc
  • 227 Answers

SOURCE: New Craftsman 95320 1/2 hp chain drive only opens door ~6"

Try this link
http://www.garagedooropeners.us/helpgifs/chamberlain_troubleshooting.html

Posted on May 25, 2009

  • 3197 Answers

SOURCE: Sears Craftsman Garage door opener does not open or close

The drive gear is most likely stripped. It is a white nylon gear just in front of the motor. The parts number is 41A2817 and is available from Sears or any good door opener service company. It comes with instructions.

Posted on Jun 03, 2009

  • 3197 Answers

SOURCE: garage door opener: motor runs but chain doesnt move.

Depends on your mechanical ability. The drive gear is stripped. The part number is 41A2817 and is available at any door opener service company. It comes with instructions.

Posted on Feb 01, 2010

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With my door closed, i push door button to open and the chain and opener continues inthe closing mode. any help?


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1 Answer

Fix my Craftsman 139.53973SRT garage door opener? When the button is pushed, the motor runs but the chain doesn't move. When I get on a ladder and try to pull the chain (help it along) it will move o


Pull the cord that releases the traveler from the door and manually raise and lower the door to make sure the door isn't binding anywhere. Then actuate the opener and watch to ensure the traveler moves along the rail. If this is all successful, you may need to adjust the sensitivity of the opener.
Good luck!

Nov 26, 2014 | Building Materials

1 Answer

I have a Craftsman/Chamberlain 1/2 hp 315mhz Garage door opener model 139.1845.DM just stopped working. The motor runs the chain moves, the door doesn't open. Whether I use the remote or pad still n


All garage door openers have a quick release. Have you checked to make sure that is locked in place? Most have a cord hangin from it and you pull it which releases it from the chain. Make sure that is engaged and it should work.

Dec 02, 2011 | Home Security

1 Answer

Liftmaster - push button to open door, motor runs as normal but chain does not move to raise door


Remove the cover from the motor unit and check the drive gear. It is a white nylon gear just in front of the motor and I am sure you will find it is stripped. The part number for this gear is 41A2817 and is available at any good door opener service company. It comes with instructions.

Sep 06, 2010 | Sears Craftsman LiftMaster Chamberlain...

1 Answer

Garage door does not open or close


You have a stripped drive gear. Remove the cover from the motor unit and you will find white sawdust all over. The part number for the gear kit is 41A2817 and is available at any good door opener service company. It comes with instructions.

Feb 12, 2010 | Sears Craftsman LiftMaster Chamberlain...

1 Answer

When I push the button to open my garage door, the


Remove the cover and take a look at the drive gear. It is white nylon and is just in front of the motor. It is probably stripped. It is a good time to release the door from the opener and try raising it by hand. Your door springs may be weak or possibly broken.

Oct 15, 2009 | Sears Craftsman LiftMaster Chamberlain...

1 Answer

I have a Sears Craftsman 1/2 horse garage door opener. When I push the button, I can hear it hum, but the chain won't move and it seems the sprocket is frozen?


If your door is stuck in the open position you will find the trolley is jammed against a bolt just in front of the motor unit. Remove that bolt and run the opener until the door closes. Now locate the 'up limit' control on the side of the motor unit and turn it 2 times in the opposite direction of the arrow printed on the cover. Replace the bolt.

Sep 03, 2009 | Sears Craftsman LiftMaster Chamberlain...

1 Answer

Garage Door opened but will not close. I opened


I think the trolley has jammed against the bolt just in front of the motor unit. Remove the bolt and then run the door until it is closed. With the door closed locate the 'up limit' control on the side of the motor unit. Turn this 2 turns in the opposite direction of the arrow printed on the cover. Replace the bolt.

Sep 01, 2009 | Sears Craftsman LiftMaster Chamberlain...

1 Answer

Sears Craftsman Garage door opener does not open or close


The drive gear is most likely stripped. It is a white nylon gear just in front of the motor. The parts number is 41A2817 and is available from Sears or any good door opener service company. It comes with instructions.

Jun 03, 2009 | Sears Craftsman LiftMaster Chamberlain...

1 Answer

Door won't close unless i push button on wall several times


You probably have a stripped gear inside opener. Take off cover and the bottom will be filled with white flakes from stripped gear

Jan 23, 2009 | Sears Craftsman LiftMaster Chamberlain...

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