how to get our patio door lock to release the inside lever won't move the lock

A quick learner from wyoming says:
unable to unlock with lever
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Casey from SWISCO responded:

Thanks for posting. If you look at the video below, you will see how you can use a screw driver to test the mortise lock. I suggest using this technique to see if you can return the mortise to an unlocked position. Let me know how it goes!

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