B) To adjust the Sensor Range, press and hold the red "Sensor" button for three seconds and release once the
Green LED comes on to indicate that you are in Sensor Range adjustment mode. Then press the "Sensor" button
one second at a time for however many times you wish to increase the range. For example, if the Sensor Range is
set at 2 and you wish to increase it to 4, press the "Sensor" button two times for one second each time.
C) If you wish to decrease the Sensor Range, follow the same procedure to enter into Sensor Range adjustment
mode, and then press the "Sensor" button one second at a time. The button is designed to go up to 5 units and
then back down to 1 unit. For example, if the Sensor Range is set at 4 and you wish to decrease it to 2, press the
"Sensor" button three times for one second each time.
D) To confirm your changes, wait 5 seconds and then press the red "Sensor" button on the upper right hand corner
of the Optima Control Box for 1 second. Five seconds aer pressing the button, the Green LED beside it will blink to
indicate the Sensor Range setting. For example, if it is now set at 2, the Green LED will blink 2 times.
5
PROBLEM:
Solenoid produces an audible "CLICK" when an object is placed in the detection zone of the sensor but NO water
flows.
CAUSE:
A) Water supply to faucet is not open
B) Inlet fitting filter is clogged
C) Aerator or spray head is clogged
SOLUTION:
A) Open supply stop(s).
B) Remove, clean, and reinsert. Replace with EBF-1004 (#08578) solenoid filter kit if necessary.
C) Remove, clean, and reinsert.
6
PROBLEM:
Solenoid valve DOES NOT produce an audible "CLICK" and NO water flows. Green LED illuminates when batteries
installed.
CAUSE:
A) Solenoid valve module is not working properly.
SOLUTION:
A) Replace EFP-43-A solenoid valve module.
7
PROBLEM:
Faucet delivers only a slow flow or dribble when sensor is activated.
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