Although cleaning the dew sensor in many cases will give a temporary cure to the problem, the fault will return in about 80% of the camcorders that has experienced the problem, with the only permanent cure being to disable the sensor.
This should "never" be attempted by anyone not acquaint at working with small precision pieces of equipment, and possession of a "quality" low voltage needle pointed soldering iron can be considered an essential.
Full details can only be sent to a DIRECT e-mail address, as the info is complex and contains JPEG (approx 10) attachments.