10 - TEST FAUCET OPERATION 1. Place hands under faucet. Solenoid valve should "click," LED in 2. When hands are removed, the water flow should stop. sensor window should blink once and water should flow from the spout. CARE AND CLEANING OF CHROME AND SPECIAL FINISHES DO NOT USE abrasive or chemical cleaners (including chlorine bleach) to clean Faucets that may dull the luster and attack the chrome or special decorative finishes. Use ONLY mild soap and water, then wipe dry with clean cloth or towel.