At the ORP Sensor, the "Sanitizer Level is Low" (SAL).
With an ORP Sensor Installed in the System, the Sanitizer Level is Below 740 and needs to be Corrected. Add Sanitizer according to Manufacturers Instructions.
Note: If you do Not have an ORP Sensor installed in the Spa System, you should Never get this Message.
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There is an SAL Message with No Sensor
