Quote:
Originally Posted by steeleygreg
Funola, I ordered your linked ebay controller today. Also ordered a set of brushes for the motor, for I suspect them as going bad. The ambient temp was around 32 degrees last night. When turning on the fan, as usual it ran at slow speed through all 3 switch settings. Upon tapping on the bottom of the motor, the speed increased. Go figure.....
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When the motor is running at slow speed, feed power directly to the motor making good solid connections. If it still runs at slow speed, then it's the motor/ brushes. If it runs full speed, then the connector contact(s) may be loose.