whisker Litter-Robot 4 - Sensors and Detection Systems; Curtain Sensors; Weight Scale Sensors

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Lier-Robot Sensors and Functions
Cat Sensor - Cuain Sensor
The Lier-Robot is equipped with Cuain Sensors looking downward across the unit opening
and into the Globe that detect when a cat enters or exits the Globe while in the Home
position. If a Cuain Sensor is activated during a cycle, the Globe will stop. Aer 15 seconds
of no fuher activation, the Globe rotation will resume. If your unit is not cycling, please
check the Bezel for any debris (cat fur, dust, etc.) that may be inteering with the Cuain
Sensors. To correct, please wipe the Bezel and Cuain Sensor holes with a dry towel.
Cat Sensor - Weight Scale
The Lier-Robot is equipped with Weight Sensors located in the base of the unit that are
used to fuher detect and weigh the cat within the Globe while in the Home position. If
additional weight is detected during a cycle, the Globe will stop. Aer 15 seconds of the
additional weight exiting, the Globe rotation will resume.
Note that each time the unit is powered ON or at the completion of a Clean cycle, the Weight
Sensors measure the weight of the unit to use as a baseline, or “zero.” The Weight Scale can be
“zeroed” at any time by pressing the Reset buon. Press the Reset buon to zero the Weight
Scale aer doing anything that aects the unit's weight, such as adding lier or emptying the
Waste Drawer. Press Reset rmly and quickly, then watch for the blue Light Bar to flash to
conrm you have zeroed the Weight Scale. Be careful not to rest on the unit as you press the
buon or your weight will influence the reading. For best weight scale accuracy, the unit should
be placed on a hard, level suace. If placed on carpeting, the accuracy of the scale will be
reduced; it is strongly recommended to use the Carpet Tray accessory available for purchase on
Lier-Robot.com.
Cuain
Sensors
Cat Sensor 1 Cat Sensor 2
Weight
Scale