Doors can get stuck due to problems with their power source photo eyes and track alignment among other things.
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Follow the procedure in your owner s manual for doing this.
Fortunately resolving many of these problems can be done safely by the layperson and doesn t require specialized tools.
To do this with your remote all you need to do is remove the batteries for about 30 seconds.
Disable the power door lock.
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If you have a wall mounted model check the lock switch.
They re both small computers and sometimes the circuit boards in them need to be rebooted in order to work properly.
To reboot the opener unplug the unit from the wall for about 30 seconds and then plug it back in.
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If it does not disconnect the garage door opener and call a trained door systems technician.
If your liftmaster garage door is stuck and won t open it is possible to troubleshoot it in a variety of ways.
If your door opener is brand new the remote won t work until you program it.
The garage door springs may be broken.