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Hersel, There are a few things that could be causing the problem. The first thing to check is will the door open when you disconnect the opener. You can disconnect the opener by pulling down on a rope that disengages the L shaped bar that connects the door from the "T" bar of the opener. If the door does not open easily when you disconnect the opener it is probably a broken spring, or possibly one of the cables is off the drum on one end of the torsion bar. If the door does open: The opener has an adjustment for lift or up force. There is also a similar adjustment for up and down travel. Make sure that you adjust the one that increases or decreases force and do not change the travel. If increasing the force does not make the door open, it is possible that you are having a problem with alignment of the electronic eyes. These are attached at the bottom of the track and are there to make sure the door does not operate if there is an obstruction. One or both should have a light on them which indicates that they are aligned. Probably a green light. Another thing to check is that both eyes are clean. Just wipe them off with a cloth. Hope this helps. If you need more help, drop me an e-mail.
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