Also see second related video.
Fix garage door opener antenna.
Check the batteries and the antenna first.
Many times they didn t work even though they were ver.
When your garage door opener suddenly stops operating properly the cause of the problem is usually pretty simple to understand and the solution is usually quite easy.
The model is powered by a 1 2 hp motor.
If none of the following fixes seem to correct the problem you will need to consult the owner s manual or contact a professional.
Here are the eight most common problems along with the most likely repairs for each.
The garage door opener uses a belt drive to move the door so it is more attractive for homeowners who value comparatively noiseless operation.
Craftsman 315 series 139 53939d garage door opener troubleshooting.
Replace the main gear drive if the garage door opener makes a grinding noise but the door doesn t move your main drive gear is probably toast.
In order to fix this you ll want to make small changes to the close limit setting until the door opener knows to stop once the door has reached the floor.
The main drive gear is the plastic gear that comes in direct contact with the worm drive gear on the motor.
Garage door opener won t open all the way fix.
Adjusting garage door springs.
Even if the device cannot be fixed you may just replace it.
If your garage door is closing fully and then reversing to open again then it may be due to a problem with the close limit switch.
This antenna extender kit greatly increased how far away my liftmaster garage door opener remotes work.
315 series 139 53939d is a residential garage door opener.
Improve the performance of an opener and increase the range by adding an antenna extension that you can buy online or at electronics outlets.
Yes the cause of the inconvenience is often that simple.
Place a stepladder at the area of the garage door opener.
Instruction for do it yourselfers.