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Old 07-26-2006, 12:21 PM
Tech Master
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Join Date: May 2003
Location: Daly City, California, U.S.A.
Posts: 1,914

Yep it most definitely sounds like an improperly programmed ESC. Usually, when you pull the trigger back a little tiny bit, so you have the ESC engaged, but the motor isn't moving, there is a screeching sound. Nothing to worry about. Just reprogram the ESC.
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