What does the blue LED light indicate?

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Verify your faucet by identifying the control box under your sink

The blue light indicates that you are in electronics mode. It will come on for two seconds whenever electronics mode is activated. The light will also flash rapidly to indicate battery life is low when using batteries to power the faucet.

The blue LED light indicates that you are in electronics mode. It will come on for two seconds whenever electronics mode is activated. The light will also flash slowly indicate battery power is running low. The blue LED will flash rapidly to indicate batteries require replacement.