Aqua Plus Filter VSP Comm Error

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That error message means the automation system is setup to expect a Hayward variable speed pump connected over a data connection, but no pump responds on the data connection. Either the data connection is not properly connected, or the pump does not have power, or there is a hardware error of some kind in the communications circuit on one end or the other. Start by checking the data cable is properly connected at both ends and is not cut anywhere.
 
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