They could be out of alignment or they may need to be cleaned this is not too common.
Sears garage door opener will not stay closed.
If the opener runs check for a faulty wire connection at the wall control a short under the staples or a broken w ire.
Check if the garage s fuse is in good condition or the circuit breaker has not tripped open.
If your remote can t open or close the garage door it might be time to replace the batteries.
The next thing to check is your home s circuit breaker or fuse.
Short the red and white terminals by touching both terminals at the same time with a piece of wire.
Unplug the garage door opener from the socket outlet and plug in another device.
If the garage door opener lights flash when the door reverses you likely need to adjust your garage door sensors.
Garage door won t close light flashes.
This is to verify if the socket works.
A misaligned garage door opener may cause the door or trolley to bind up causing the opener to stop or reverse because opening or closing force exceeded the opener s force limit.
Your garage door may be binding i e not rolling smoothly along the garage door tracks.
If not remove the bell wire from the opener terminal screws.
This wasn t a problem at least in my frustrating experience with it that joe handyman could figure out.
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.
If that doesn t work you should bring in a garage door expert preferably sears.
If you re craftsman chamberlain etc garage door opener is closing and then opening up its likely a common problem related to the stop limit mechanism.
Check and see if the door moves after replacing the batteries with a fresh set.
By manage my life.
My advice would be to check every fastener and knob to see if something came loose.
This means that the limits are telling the garage door that it s fully opened when the door is in reality closed.
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.
You could need a new remote or wall switch if switching out the batteries doesn t work.
In this video from sears partsdirect we ll show you some simple fixes like checking the garage door opener s alignment and clearing obstructions.