Visit our Calibrating the drawer full indicator guide to learn how to calibrate your Litter-Robot's DFI sensor. Successful: If your Litter-Robot displays a blue light bar , you've been successful. Unsuccessful: If the calibration fails, the LED display will illuminate a yellow light bar with a red flashing light for five seconds.. I bought the litter robot four almoat a year ago. Its great but the only issue is everyday if not every other day i get a notification the drawer is full. We have tried cleaning the sensor and recalibrating the sensors in the drawer and vacuumed out the entite litter box.
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The Litter-Robot 4 is equipped with OmniSense™ detection that utilizes laser and weight sensor technology to provide real-time litter and waste drawer levels. Omnisense™ also supports the SafeCat system which continuously analyzes 4 safety zones to ensure your cat is always safe.. The litter robot sends 5v to the cat sensor and gets 0,9v back, therefore you need the 2k ohm resistor. 3: Make the pressure point where the cat sensor were placed, to a switch. Like on the photo.