Hot answers tagged

3

You are on the right track, in thought process at least, not procedure. Know that fundamentally, there is no such thing as a DC motor. All motors operate based on changing (alternating/rotating) magnetic fields which are produced by changing (alternating) currents. They are all "AC" so to speak at the lowest level. What goes into the coils is ...


1

I'm guessing from the details you give that this was a 3-wire fan? the basic details others have not expressly given, but rather hinted at, are that PC fans don't run on just voltage. you cannot just put 9 volts on a 12 volt PC fan coil to run it or slow it down. it needs 12 volts, and data from a sensor showing it's speed and position to itself so it to ...


1

Try again with a working fan and then follow the instructions. The internal fan electronics commutates the DC with the Hall Effect magnetic rotor sensor. Instead of guessing use, Red=+, Blk=- , yellow= tach out or don’t care


Only top voted, non community-wiki answers of a minimum length are eligible