Blog

AquaTerra Spa Error Messages Explained: OH, HL, FLO, AOH, PRR, and What to Do About Each When your AquaTerra spa displays a short code instead of the water temperature, it is not being cryptic. It is telling you exactly what the control system has detected, and in many cases what it has done to protect the spa. A few of these messages mean you should stay out of the water until things cool down. Others point to a simple fix like a dirty filter or a low water level. Only a few require a service c … read more