My Sterra S Tankless Water Purifier filter indicator is lit up. What do the colors mean?Updated 5 hours ago

When the filter indicator light illuminates, it signals that the filter’s lifespan is nearing its end. The light will remain steady when the filter is 90% used through its lifespan, and it will start blinking once the lifespan reaches 100% used.

The filter change notification will appear on the LED display as follows:

• Pre-carbon filter [Filter 1]: White light
• UF filter [Filter 2]: Yellowish/Orange light

For Sterra S, Filter 1 should be changed every 4 months, while filter 2 should be changed every 8 months.