Why is the temperature blinking on my hot tub?

If you increase or decrease the temperature setting of the spa, the ready indicator will turn off until the spa temperature reaches the acceptable range for the new set temperature. Additionally, a blinking READY indicator indicates that a problem exists with the temperature sensor.

What does the diagnostic logo light on caldera Utopia mean?

On Caldera Utopia® Series spas, the logo light serves as a helpful and visible diagnostic tool. When the diagnostic logo light shines orange and gray, the spa water is within 2° Fahrenheit of the set temperature and ready to enjoy. When the spa senses an issue, the diagnostic logo light may turn off, blink, or the colors may flash independently.

Is there a problem with my caldera hot tub pump?

This doesn’t mean that there’s an issue with the pump; it simply means that you’ll have to rule some things out to get to the root of the actual problem. As always when troubleshooting, have your Owner’s Manual handy. On Caldera Utopia® Series spas, the logo light serves as a helpful and visible diagnostic tool.

What does the diagnostic logo light on a hot tub mean?

When the diagnostic logo light shines orange and gray, the spa water is within 2° Fahrenheit of the set temperature and ready to enjoy. When the spa senses an issue, the diagnostic logo light may turn off, blink, or the colors may flash independently. Specific logo light behaviors alert you to specific problems: