FV794 Rev. A 05/21/21
Page 7
TROUBLESHOOTING GUIDE:
Care and Cleaning Instructions:
• Do not use any abrasive or chemical cleaners to clean the faucets.
• If abrasives or chemicals are used it can lead to dulling of luster, attacking of chrome plating or decorative nishes.
• ONLY use mildly warm soapy water, and then wipe the device dry with a clean/soft towel or cloth.
• Upon cleaning other areas of the restroom be sure the sensor lenses are protected from other cleaning chemicals/solvents to prevent
potential damages to the sensor and/or electronics.
For further assistance with troubleshooting visit http://www.zurn.com
POTENTIAL SITUATIONS POSSIBLE CAUSES SUGGESTED SOLUTION TIPS
Faucet is non-responsive Battery voltage low or no power Change out batteries or verify power provided by HW6 or ACA
Sensor and electronic connector cable has bent or
broken pins
Check to see if pins are missing, bent, or broken. If yes, then the
electronic box needs replaced
Sensor lens could have surface damage,
scratches, or deposit build ups
Inspect the sensor lens underneath the spout tip. May require
cleaning with a damp cloth or sensor replacement
Sensor lens could be obstructed by environmental
factors such as high reective surfaces or bright
lighting conditions
If this is the case, then adjust the dip switch settings for sensor
sensitivity per the diagram on previous page (switches 7 and 8).
Direct sunlight into bowl may make the unit inoperable. Do not
allow direct sunlight into bowl
Faucet does not activate
after initial installation
Sensor may not have had enough time to calibrate
prior to a user or target trying to initiate activation
Disconnect the sensor and electronic box cables and wait for 30
seconds. Reconnect the cables, then wait until the water stops
owing water (up to one (1) minute) before placing hands or a
target within the sensor range. You should hear a click of the
solenoid once calibration is complete.
Water does not stop Electronics box cable connector has bent pins that
are shorted
Check to see if pins are missing, bent, or broken. If yes, then the
electronic box needs replaced.
Ghost Activation Sensor lens could be obstructed or environmental
factors such as high reective surfaces and/or
bright sunlight conditions
“Check/clean sensor lens of any debris or buildup
If sunlight or IR interference is a factor, refer to page 7 “”Sensor
Sensitivity”” and adjust faucet for Mode B operation.”
Sensor faucet is leaking un-
derneath the sink or counter
Mounting hardware is not tightened suciently
(faucet shank, electronic box, supply hoses, etc)
Check and ensure the nuts and joints are tight and secure from
the supply stop all the way to the faucet shank.
Missing the washer located in the solenoid box nut
where it assembles to the faucet shank.
Make sure the water supply stops are shut o. Check to ensure
the washer is installed or damaged. If not, install washer. If a
washer is installed replace with new.
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