FV801 Rev. A 06/21/21
Page 9
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Problem
Possible Cause
Corrective Action
Faucet is non-responsive Battery voltage low or no power.
Change out batteries or verify power provided by 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 to be 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 highly reflective 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 sink may make the unit inoperable. Do not
allow direct sunlight into sink.
If one mode does not help try one of the following:
-switching 7 to Off to set the sensor to the lowest sensitivity level
(detection range may be less for all hand types).
-switching to alternate mode using switch 8; mode A or B depend-
ing on current configuration
Reset sensor after dip switch changes.
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 activa-
tion.
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.
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 to be replaced.
Ghost Activation
Sensor lens could be obstructed
or environmental factors such as
highly reflective 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. Also, decreasing the sensitiv-
ity setting (switch 7) may help.
Reset sensor after dip switch changes.
Sensor faucet is leaking
underneath the sink or
counter
Mounting hardware is not tight-
ened 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 assem-
bles 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.
Trouble Shooting: Faucet
