Model #13953977SRT CRAFTSMAN Garage Door Opener

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Question and Answers


Garage door works fine but remotes won't actiivate it 13953977SRT Craftsman Garage door opener


Thank you for choosing Sears Parts Direct. I will be happy to help with your garage door opener. Upon researching model number 13953977SRT; try erasing the codes in the opener. There are instructions on the bottom of page 35 in the owner’s manual. Then reprogram each one individually. There could be an issue with the logic board if it still doesn’t work.

 Thank you for choosing Sears. We appreciate your business. Have a great day.

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Jeff Wallace Jr -
Sears Technician
May 20, 2015

Replaced the 13W bulb with another 13W bulb and now the light will not operate 13953977SRT Craftsman Garage door opener


Thank You for choosing Sears and being a valued member. It is unfortunate to hear that you are having issues with your garage door opener and I do understand your frustration. Glad to help out. I'm looking at your model number 13953977SRT and I recommend trying the light bulbs in another area and determine if the problem is with the bulbs, sockets or the logic board itself. It is possible that the bulb base is not making contact with the socket terminals. If the bulbs work in another socket then I would suspect that the logic board has failed. Here is a link that may help with additional troubleshooting. Just click the blue link above to be taken to the page. I trust this information will help you.


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SAFETY NOTICE: Be sure to disconnect power to the appliance before performing any repairs. If you are not comfortable with doing any voltage checks that might be recommended, please contact Sears for repairs. Be aware that there could be sharp edges inside the appliance that could cause cuts or other injuries to yourself or others.


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Sherman_G_Wallace -
Sears Technician
January 30, 2015

need help adjusting door, 13953977SRT Craftsman Garage door opener


Thank you for contacting with your question about your Craftsman Garage Door Opener model 13953977SRT. I am so sorry you are having issues with the door not opening fully. I know you must be concerned about safety if the door is slamming to the ground. I will be happy to help you with this.

Based on the information you provided, it sounds like the issue may be with the door or the rails and not the opener itself. Start by checking the rails to see if something is blocking the path of the trolley. Look for bent rails or nails or screws out of place. Also visually inspect the door springs. If the springs appear damaged this is not a repair you should attempt yourself. The springs are under extreme pressure and can cause serious injury if not handled properly.

Next you will want to inspect the gears on the garage door opener. The gears will get worn overtime. If the gears are worn or broken, the door opener cannot lift the door. The gears can also be damaged if the garage door is out of balance. I will list the steps to test the door balance. If the garage door fails any of these tests, you can adjust it yourself or call for service. DO NOT adjust the door springs, counterbalance weight or cables. Those components are under considerable tension and can cause serious injury if they are accidentally released. 

Door Balance Test

1. With the garage door closed, disconnect the drive mechanism by pulling the emergency release cord that hangs from the top of the door. (If you try to open the door manually without disconnecting the emergency release the door will not move.)
2. Check for ease of movement and garage door balance. 
    Close and open the garage door manually to ensure that it moves easily. It should not take much force.
    Check the garage door balance by pulling the door halfway down and letting go. It should not go up or fall down.
3. Open the garage door all the way and reconnect the door to the opener.

If you would prefer to have a technician diagnose and repair the problem with the garage door, you can set up service at or by calling 1-800-605-2128. I hope this helps. If you need further assistance, please resubmit your question with additional details. Thank you for choosing Sears, we appreciate your business. 

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Rachel Morgan -
Sears Technician
July 02, 2014

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