The "iron ready" light automatically turns blue or white to indicate the temperature/steam state of the iron required based on what fabric is being ironed.
The "iron ready" light automatically turns blue to indicate that the iron is in the optimal state for certain fabrics like silk and polyester, as shown on the left-hand side of the image below.When the "iron ready" light turns white, as shown on the right-hand side of the image below, the iron is providing higher temperature/steam for other type of fabrics, for example cotton, linen and denim.
In both cases mentioned above, this is normal and shows that the ActiveSense technology is working.
