Cant get reply to issues were having with projector screen

Purchased for our small church worked well for a month, being used one up cycle one down cycle every Sunday and once on Wednesday, then it developed a mind of it's on coming all the way down and motor continues running cant control with remote or via control pad had to unplug screen to prevent it from running. Plugged back in selected up, it went up and wont shutoff had to unplug.now we are left with the screen down whole service, which is hiding part of stage area. Tried emailing and contacting seller with no response to this point.

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