Columbia GP3 Repair Help?

IronfeetIronfeet 516 Posts
edited May 2013 in Strut Central
I just got a used GP3 portable & I went to use it the other day and the speed is off, kind of like the 1200's when the voltage is off... I ran it on Batteries and Plugged in... The problem didn't change. Anyone on here ever have this problem and if so could you let me know how to fix it?
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