
FV635 Rev. - 11/1/2017
Page5
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 finishes.
• 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.
Forfurther assistancewith troubleshootingvisit http://www.zurn.com
POTENTIAL SITUATIONS POSSIBLE CAUSES SUGGESTED SOLUTION TIPS
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
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 may not have had enough
time to calibrate prior to a user or
target trying to initiate activation.
Check if protective film was
removed from lens.
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 reflective surfaces and/or
bright sunlight conditions.
Check/clean sensor lens of any debris or buildup If sunlight or IR
interference is a factor.
Mounting hardware is not
tightened sufficiently (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 off. Check to ensure
the washer is installed or damaged. If not, install washer. If a
washer is damaged, replace with new.
Faucet is non-responsive
Faucet does not activate
after initial installation
Disconnect the sensor and electronic box cables and wait for 30
seconds. Reconnect the cables, but allow for another 30 seconds
before placing hands or a target within the sensor range. You
should hear a click of the solenoid once calibration is complete.
Sensor faucet is leaking
underneath the sink or
counter