Quote:
Originally Posted by andrewwynn
Mine jammed open at below freezing outside when the inside panel for sucked into the roof!
I used the hand crank to get it moving and once I got it into vent mode have me enough room to work. You may find a simple limit switch or such is interfering with operation and the hand crank will be what you need.
BABY steps! I would open a cm then close to make sure you can close manually before opening the whole way
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This is good advice!! I would second that - using the hand crank, open it a very very small amount then turn the other way to ensure it will close again and then test it with the button. It may have a stuck limit switch making it think it is jammed.
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