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- Tue Aug 20, 2013 3:58 am
- Forum: Fans and Control
- Topic: Clicking fans on fan controller
- Replies: 6
- Views: 2450
The real cause is that the controller goes to full voltage several times per second for a brief period so that the RPM sensing circuit will work correctly. This dramatically changes the torque of the fan motor, which is where the click comes from. Very informative & interesting, clearly stated! Goo...