The ORP Controller shouldn't vibrate or emit any noise with different setpoints ie whether 250, 300, 350 or whatever.
Let me try to help...
1) What brand of Ozonizer and Controller are you using?
2) Where do you place the Controller? (If it leans against the sump then probably the noise comes from the virbration of the return pump)
3) Is the ORP controller light "flashing"?
4) How are the connections of the Ozonizer and Controller?
Quote:
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Originally Posted by iori del
how do i know if the ozone is on??
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There should be some reading at the display panel of the ORP controller, if not then something is kaput with either the controller or the probe.
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