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Old 01-16-2013, 02:52 PM
richappy richappy is offline
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Try jaming the damper door 1/4 open with a wad of duck tape, just make sure it sticks good so the opening and closing action of the door will not dislodge it. I have done this before. It is possible the door motor is bad, but rather rare. The damper motor is impedance protected so it will not be a problem.
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