02-01-2008, 03:20 PM
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Senior Expert
APP Volunteer
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Join Date: Jul 2007
Location: Orange County, California
Posts: 14,012
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When it switching from "down" to "up" - some clicking sound is normal.
Most likely it needs a maintenance and/or lubrication.
For more accurate advise I need the complete model number of the unit.
Gene.
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