What is the blue light on my hot springs spa?
If your blue light is on, this means your hot tub is properly supplied with power. This blue light also provides an indicator for your heater. It’s your coolant temperature light, and its job is to indicate the temperature of your engine. When it’s blue, that means your engine isn’t quite at the operational driving temperature yet.
Why is the red light blinking on my hot springs spa?
It also provides a diagnostic function–a flashing RED indicator indicates that the heater high limit has tripped, meaning that either the spa water is above its acceptable temperature range, or a malfunction has occurred within the spa (such as low circulation due to clogged filters). It also provides a diagnostic function–a blinking power indicator indicates that the heater high limit has tripped, meaning that either the spa water is above its acceptable temperature range, or a malfunction has occurred within the spa (such as low circulation due to clogged filters).An ‘off’ power indicator means that there is a problem with the spa control box or the power supplied to the spa. Ready Indicator: The READY indicator will light when the spa water temperature is within 2-1/2°F (1. C) of the set temperature, and will turn off when the temperature is outside of that range.