Litter robot 4 sensors

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 four safety zones to ensure your cat is always safe. ... These sensors detect when a cat has entered or exited the ...

Litter robot 4 sensors. Buy From Litter-Robot. According to cat expert Tanya Trapalis, the best automatic litter box will be appropriately sized, quiet, and Wi-Fi-enabled to keep tabs on things while you're away. She ...

Conclusion. After reading Litter Robot 3 vs 4 reviews, it'll come as no surprise that the new Litter-Robot 4 ranks higher than its predecessor. It's an improvement in several ways with various upgrades and added features, such as quieter cleaning cycles, better odor control, and a larger waste drawer.

The best part about the Litter-Robot automatic, self-cleaning litter box is that it cleans itself, which means no more scooping for you! But occasionally, yo...Firmware Update Instructions. In the Whisker app, select your Litter-Robot 4 unit from the dashboard. Tap on Controls in the bottom right corner. Scroll to the bottom of the page and tap the Information panel. This will take between 5 to 27 minutes to complete. You will see a single white light blinking on your unit's control panel - this is ...The Litter-Robot 4 Ramp is not compatible with the Litter-Robot 4 older fence. 2. Newer Fence. If you are using the newer version of the Litter-Robot 4 fence (without a plastic shield), you can either a) remove it and use the standard Ramp Hinge or b) keep the fence on and follow the instructions for the Ramp Fence Hinge.Details. Say goodbye to scooping and give your cats clean litter every time they go with Litter-Robot 3, the highest-rated automatic litter box. Purchase includes a 90-day in-home trial, comprehensive coverage with our WhiskerCare™ 1-Year Warranty, and free shipping. Never scoop again®. Helps reduce litter box odours. Great for cats 2.3 kg ...Cleaning your Litter-Robot. It's important to deep clean your Litter-Robot every 3-6 months. Over time, small clumps can accumulate within the internal pocket of the globe, which can contribute to weight-related errors. Cleaning or soaking the globe thoroughly every 3-6 months will help prevent any excess weight from accumulating within the globe.Laser and weight sensor technology in Litter-Robot 4 detects cats weighing 3+ lbs for enhanced safety and more accurate activity tracking. Multi-cat friendly. The sleek, compact multi-cat litter box design features a wide opening to maximize cat comfort, providing clean litter for households with up to 4 cats of any breed or size. ...

The Litter-Robot is equipped with weight sensors located in the base of the unit that are used to further detect and weigh the cat within the globe while in the Home position. ... The Litter-Robot 4 Carpet Tray can be used to improve the accuracy of SmartScale™ weight readings when Litter-Robot 4 sits on carpet or an uneven surface. If you ...Our initial intention was to engage Rahul in some creative activities so that he used his energy constructively. What transpired was tremendous. Now he has a unique liking for robotics and electronics. Robotics training was superb. We learnt many things about the robots, how it works and enjoyed learning it. Thank you Evolve Robotics for giving ...Litter-Robot by using some catnip or a favourite treat. 2. Add a scoop of litter from the old litter box to provide a familiar scent for your cat. 3. Place treats on the step or handle around the Litter-Robot so your cat associates rewards with the unit. 4. Once you notice that your cats have used the Litter-Robot, power the unit on to cycle ...In this video we'll be taking a look at 5 different errors the Litter-Robot 4 may run into and how to fix them. This include LED status identification of the...Step 1: Check the Sensor's Placement. Obviously, the first fix you would want to apply is to check the placement of the sensor. The sensor should be placed in the middle of the entrance, with the lens facing toward the inside of the litter box. If the sensor is not properly placed, it may not be able to detect when a cat enters or exits the box.

Litter-Robot 4 is the latest evolution of the highest-rated WiFi-enabled, automatic, self-cleaning litter box for cats. With over 20 years of customer feedback driving product innovation, Litter-Robot 4 features new sensor and litter-sifting technology for enhanced odor control, cat safety, and real-time tracking of waste and litter levels through the Whisker app.Yes. Litter-Robot 4 uses laser and weight sensor technology to detect when your cat enters and exits the globe, which triggers the countdown timer and cleaning cycle. The SmartScale™ will not recognize kittens that weigh less than 1.36 kg. Therefore, kittens that weigh less than 1.36 kg can use Litter-Robot 4, but not in automatic mode.Litter-Robot 4 is equipped with OmniSense™ detection that utilizes laser and weight sensor technology to provide real-time litter and waste drawer levels. There are three laser sensors located in the top of the bezel, called curtain sensors, that accurately measure the capacity of the waste drawer.Apr 7, 2024 · The Litter-Robot 4’s curtain-type sensor The Litter-Robot 4 is equipped with three downward-facing motion sensors that scan the entry and Globe from the top of the entryway. These sensors illuminate the litter bed, detecting your cat’s movements and initiating cleaning cycles as needed.

Obituaries burlington iowa.

Elegantly designed to maximize comfort for cats of all sizes, Litter-Robot 4 features advanced litter-sifting technology, reduced litter tracking, and real-time monitoring of waste and litter levels through the Whisker app. ... The SafeCat System with OmniSense™ Detection is a combination of sophisticated software, weight sensors, and laser ...Learn how to remove and install the Litter-Robot 4 Cat Presence Sensor. The Litter-Robot is equipped with a motion sensor that monitors the waste drawer. If the motion sensor identifies movement within the waste drawer while at the Home position, the unit will rotate the globe to a position such that the waste port provides egress from the ...Cleaning the Litter Robot 4 is a crucial aspect of maintaining a hygienic and odor-free environment for your feline companion. By following a few simple ... Step 4: Lastly, it is important to regularly check and clean the litter sensor window. This window is located on the inside of the base near the waste drawer area. It is responsible for ... Short press the Reset button, then short press the Cycle button to run a Clean cycle. After Litter-Robot cycles, it should return to the Home position, displaying a blue light bar. Successful: If your unit displays a blue light bar, you've been successful. Unsuccessful: If you are still seeing a green light bar with partial red flashing, please ... Yes. Litter-Robot 4 uses laser and weight sensor technology to detect when your cat enters and exits the globe, which triggers the countdown timer and cleaning cycle. The SmartScale™ will not recognize kittens that weigh less than 1.36 kg. Therefore, kittens that weigh less than 1.36 kg can use Litter-Robot 4, but not in automatic mode.

Phone and Chat support available Mon-Fri: 9AM-7PM EST and Sat: 9AM-5PM EST, or submit a ticket anytime. Chat with us 1-877-250-7729 Submit a ticket. Troubleshoot your Litter-Robot 4 with our step-by-step hard reset guide. Get your Litter-Robot back to peak performance today! Visit our support page now.Feeder-Robot Whisker Feeder-Robot Smoke Hopper Dog & Cat Feeder, White, 32-cup. 22. Spend $100, Get $30 eGift Card with code: HAVEFUN. This Item. 4 Automatic Self-Cleaning Cat Litter ... Buy Litter-Robot 4 Automatic Self-Cleaning Cat Litter Box, Black at Chewy.com. FREE shipping and the BEST customer service!Litter-Robot 4 is equipped with a flexible carbon filter pad that is installed on the outer bottom area of the globe. This filter sits directly over the waste drawer to absorb odors. ... press the Reset button to zero the weight sensors. Purchase Litter-Robot 4 Carbon Filters. Canada UK Français Deutsch Italiano Nederlands Español Danske.Toll Free: 877-250-7729 www.Litter-Robot.com The Self-Cleaning Litter Box that Really Works! Instruction Manual. 1 Toll Free: 877-250-7729 www.Litter-Robot.com ... 13.4" Cat Sensor Base Handles Waste Drawer Waste Drawer Handle Key Battery Pocket (Optional Backup Battery) Carbon Filter Bottom View. 7FAQ. Our Final Verdict. We give Litter-Robot 3 litter box a rating of 4.6 out of 5 stars overall. 96. 90. 80. 90. The Litter-Robot 3 is a dream come true for cat owners. This premier litter box ...Never scoop litter again with the Litter-Robot 3 Connect, the highest-rated WiFi-enabled, automatic, self-cleaning litter box for cats. Buy in monthly payments with Affirm on orders over $50. Learn more. The Litter-Robot 3 Connect is fully automatic and self-cleaning. The patented sifting process begins just minutes after your cat exits the unit.There are sensors on each side of drawer. The sensors have a clear lens on each. Clean. Also mine kept getting same problem after cleaning. So there is a hole a about the size of pencil eraser. Some poop got through hole on left sensor. It was on top of circuit. I used a soft DRY toothbrush to clean. After that no problems.A ny indoor cat owner knows that maintaining a clean litter box can be a constant, daily struggle—Whisker's Litter-Robot 4 makes it a little less difficult. Most cats will let you know (often ...

Troubleshoot litter robot 4. I used to have a lot of sensor faults and frequently wrong indication of full litter. Things I tried include cleaning/wiping top sensor lights, use clear bags or even don't use any plastic bags in the litter tray, frequently press the reset button for 2 times. My experience is none of them helps.

A fter our positive experience with the Litter-Robot 3 Connect for many years, we were excited to test out the new Litter-Robot 4 to see if it could get any better. The new Litter-Robot 4 boasts new patented technology like its OmniSense™ Detection, which has laser and weight sensors to track your cat's health via a mobile app and a quieter sifting cycle.1. When your cat exits Litter-Robot, a timer counts down, allowing the litter to clump before a clean cycle begins. 2. During the clean cycle, the globe slowly rotates. The patented sifting process separates the clumps from the clean litter. 3. The clumps are deposited into a sealed waste drawer below. 4.You and your cat will love Litter-Robot 4, guaranteed or your money back! Just pay return shipping. WhiskerCare™ 2-Year Warranty. Every Litter-Robot 4 includes the WhiskerCare™ 2-Year Warranty with option to extend to 4 years. Free shipping. Enjoy free shipping on Litter-Robot 4 from the UK.Litter‑Robot 3 vs. Litter‑Robot 4. Litter-Robot is the leading self-cleaning litter box. Discover which model is right for you and your cat. Compare products. Feature. Litter-Robot 4 ... SafeCat System with OmniSense® Detection uses lasers to analyze 4 safety zones, weight sensors and anti-pinch software for more accurate cat detection and ...Litter‑Robot 3 vs. Litter‑Robot 4. Litter-Robot is the leading self-cleaning litter box. Discover which model is right for you and your cat. Compare products. Feature. Litter-Robot 4 ... SafeCat System with OmniSense® Detection uses lasers to analyze 4 safety zones, weight sensors and anti-pinch software for more accurate cat detection and ...Make sure the firmware is up to date on the robot: from the app go to Controls > Robot Information. It's also possible your litter is generating dust that can be causing the sensors to misread. Try cleaning the inside rim with dry cloth and a light spray of canned air around the sensors. Reply.Troubleshooting Common Litter-Robot 4 Errors & How To Fix. Key Takeaways. 1. The most common issues with Litter-Robot not cycling stem from power issues, the type of litter used, foreign objects, or software malfunctions. 2. Regular maintenance, including weekly waste drawer checks and bi-weekly thorough cleaning, ensures optimal performance. 3.DUBLIN, Sept. 28, 2020 /PRNewswire/ -- The 'Capacitive Sensor Market: Global Industry Trends, Share, Size, Growth, Opportunity and Forecast 2020-2... DUBLIN, Sept. 28, 2020 /PRNews...Litter-Robot utilizes position sensors to determine the position of the globe during rotation. Additionally, the speed of the globe is calculated to ensure continued operation as a backup to the position sensors. If your unit displays a red light bar with partial white flashing, this indicates that the unit did not detect the globe position ...Elegantly designed to maximize comfort for cats of all sizes, Litter-Robot 4 features advanced litter-sifting technology, reduced litter tracking, and real-time monitoring of waste and litter levels through the Whisker app. ... The SafeCat System with OmniSense™ Detection is a combination of sophisticated software, weight sensors, and laser ...

Does celery make your pee smell.

Wordscapes level 1991.

Litter-Robot 4 is equipped with OmniSense™ detection that utilizes laser and weight sensor technology to provide real-time litter and waste drawer levels. There are three laser sensors located in the top of the bezel, called curtain sensors, that accurately measure the capacity of the waste drawer.Here are the official instructions from their website: Litter-Robot 4: Laser Sensor Cleaning Instructions. If this happens often, you may be using litter that creates dust during cleaning cycles. ... After posts saying the Litter Robot 4 wasn't safe, with the pinch detectors failing, I investigated and found the circumstances where it could ...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 four safety zones to ensure your cat is always safe.Every Litter-Robot in Whisker's lineup utilizes sensors to detect litter box activity and automatically initiate a cleaning cycle after use. Early models relied primarily on mechanical weight sensors, but the Litter-Robot 4 includes laser sensors for improved cat detection. Whisker has sold over 1 million units and its latest model has a ...LR4 Clean Sensor Fix Video:Hi all, I made this video to show how you clean the bottom sensors of your LR4 which helped me fix the problems I’ve experienced s...Successful-Fun700. My LR4 was doing the same thing, giving sensor faults randomly. I looked up under and into the sensor with the light on my phone, and there were a couple of cat hairs coming in front of the sensor. Being that close to the sensor could cause it to read a fault, even something as small as a cat hair.Litter-Robot by using some catnip or a favourite treat. 2. Add a scoop of litter from the old litter box to provide a familiar scent for your cat. 3. Place treats on the step or handle around the Litter-Robot so your cat associates rewards with the unit. 4. Once you notice that your cats have used the Litter-Robot, power the unit on to cycle ... Litter-Robot 4 is equipped with OmniSense™ detection that utilizes laser and weight sensor technology to provide real-time litter and waste drawer levels. There are three laser sensors located in the top of the bezel, called curtain sensors, that accurately measure the capacity of the waste drawer. Watch on. The Litter-Robot 3 is equipped with a cat sensor that detects when a cat enters and exits the globe. If the cat sensor has been continuously activated for 30 minutes or more, either by a cat that won't leave the globe or by too much weight in the unit, the timing light will flash red. You will also receive a notification on your ...Remove the two screws holding the backup battery bracket in place. Set the bracket to the side. Unplug the red and black wires from the battery at the quick disconnects. Set the battery aside. Remove the 9 screws from the bottom of the base. Flip the base back upright and gently remove the top part of the base.Litter-Robot 4 is equipped with OmniSense™ detection that utilizes laser and weight sensor technology to provide real-time litter and waste drawer levels. There are three laser sensors located in the top of the bezel, called curtain sensors, that accurately measure the capacity of the waste drawer. ...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 four safety zones to ensure your cat is always safe. ... These sensors detect when a cat has entered or exited the ... ….

Best Overall: Whisker Litter-Robot 4. Best Value: PetSafe ScoopFree Complete Plus. Best Litter-Free: CatGenie A.I. Self-Washing Cat Box. In our pet-free Lab, we simulated a cat using each pick ...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 four safety zones to ensure your cat is always safe.The Litter-Robot 4 scoops cat litter for you, keeps odors locked away and can handle multiple cats. It even creates user profiles so you can track when they go. ... The sensor will recognize each ...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.Dual sensors technology for litter robot 4. The sensors used by LR3 & LR4 is probably the most important difference. Litter robot 4 is equipped with two types of sensors to allow precise cycle activation. The Curtain Type Sensor is made up of three "motion eyes" in the area of the Globe's entry. It is able to detect the moment your cat ...Of course, please don't hesitate to contact us for further assistance. We're happy to help! [email protected]. You can connect the two wires going to the pinch sensors together, short them, and that will simulate no pinch fault. If that works you can run your LR like that until replacements come in.Litter-Robot custom-fit Waste Drawer Liners or any 10-13-gallon (37-49L) trash bags. To install a new Waste Drawer Liner, open the bag and wrap the opening over the perimeter of ... button to zero the Weight Sensors. Add litter as needed. Check the litter level once per week or each time you empty the Waste Drawer. Add justKeep your automatic litter box in top shape for years to come with Litter-Robot replacement parts and refresher items. Use our DIY repair guides and videos. ... Litter-Robot 4 Cat Presence Sensor . $15. Add to Cart. Add to Compare. Litter-Robot 4 Base . As low as $449. Rating: 69%. 9 Reviews ...Litter-Robot by using some catnip or a favorite treat. 2. Add a scoop of litter from the old litter box to provide a familiar scent for your cat. 3. Place treats on the step or handle around the Litter-Robot so your cat associates rewards with the unit. 4. Once you notice that your cats have used the Litter-Robot, power the unit on to cycle the ...This guide is not only good for the replacement of the cat sensor but will also show you an easy and step-by-step way of disassembling your Litter-Robot. Let's get … Litter robot 4 sensors, Robot vacuums are a boon for the modern household. They’ll clean your house in minutes with very little effort on your end. That’s right: no more pushing a traditional vacuum or st..., Best Non-Tracking Litter for LR4 and other questions from a newbie. I just bought a second hand litter robot 4 from someone whose cats didn't take to it. It is only 3 months old, seems to be in perfect condition, and still under warrenty- amazing given the price I paid for it!) First, although it was clean it smells., Infrared emitters and sensors detect the level of waste in the drawer, and the blue light on the control panel flashes when it's time to empty. ... Simply place OdorTrap™ Packs in your Litter-Robot 4 filter pocket (see installation guide) or Litter-Robot 3 waste drawer near the carbon filter. We recommend replacing one pack every …, Litter-Robot 4 Cat Presence Sensor Save $0.00 Whisker SKU: RB-Ltr-238 Manufacturer #: LR4-9052, Robots and artificial intelligence (AI) are getting faster and smarter than ever before. Even better, they make everyday life easier for humans. Machines have already taken over ma..., 1. When your cat exits Litter-Robot, a timer counts down, allowing the litter to clump before a clean cycle begins. 2. During the clean cycle, the globe slowly rotates. The patented sifting process separates the clumps from the clean litter. 3. The clumps are deposited into a sealed waste drawer below. 4., If the auto-calibration passes, the unit will update its dynamic cat sensor threshold values and return back to its previous function, likely a Clean cycle. If the auto-calibration fails, the unit will display a green light bar with partial red flashing, which signifies a dirty sensor fault., 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 four safety zones to ensure your cat is always safe. , To reset the Cat Sensor, the unit must be at the Home position with a solid blue light displayed on the control panel. If you press Reset while the unit is cycling, it will pause the cycle; simply press Cycle to restart the cycle or Reset to abort the cycle and return the Globe to the Home position. (If you press and hold the Reset button for ..., If the auto-calibration passes, the unit will update its dynamic cat sensor threshold values and return back to its previous function, likely a Clean cycle. If the auto-calibration fails, the unit will display a green light bar with partial red flashing, which signifies a dirty sensor fault. , The Litter Robot 4 is the best self-cleaning litter box you can buy today, but it still has issues. ... occasionally its cat detecting sensors went haywire, and it didn't really prevent litter ..., 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 four safety zones to ensure your cat is always safe., Mehrab Mandi Restaurant. Eranhipalam, Kozhikode, Kerala, India - Kozhikode. Now open. Arabic. 78/100. Recommended by 56 people. Give a rating. SEE ALL (+27) Browse the menu., Phone and Chat support available Mon-Fri: 9AM-7PM EST and Sat: 9AM-5PM EST, or submit a ticket anytime. Chat with us 1-877-250-7729 Submit a ticket. Find answers, guides, & solutions for your Litter-Robot. Your first stop for answers and solutions to your Litter-Robot questions., I think that the mess falling into the drawer just sometimes throws off the sensor before it "settles" down with the rest so to speak. I went from full to just 45% doing the aforementioned manual cycle via the app. ... If your Litter-Robot 4 is displaying inaccurate DFI/litter level readings in the Whisker app, please follow these steps:, Litter-Robot 4 uses laser and weight sensor technology to detect when your cat enters and exits the globe, which triggers the countdown timer and cleaning cycle. ... Litter-Robot 4 features an optional OdorTrap™ System designed to neutralize litter box odours. This system uses the combination of a sealed waste drawer and carbon filter to ..., In short, the Litter-Robot 4 is an upgraded version of the Litter-Robot 3 Connect, with advanced safety sensors, a more sophisticated (and quieter) sifting …, Litter-Robot 4 is equipped with OmniSense™ detection that utilizes laser and weight sensor technology to provide real-time litter and waste drawer levels. There are three laser sensors located in the top of the bezel, called curtain sensors, that accurately measure the capacity of the waste drawer. , My litter robot 4 which is a little over a month old stopped working a week ago. I've tried all the troubleshooting and it is still not working. ... Buthas its flaws, doesn't cover oder, constant sensor faults, drawer fills on 1 side only, kind of loud. LR4 is built with very cheap materials, and feels like it would fall over if the big bad ..., Litter-Robot 4 is equipped with OmniSense™ detection that utilizes laser and weight sensor technology to provide real-time litter and waste drawer levels. ... Press the Reset button to zero the weight sensors. Carbon filter. Litter-Robot 4 is equipped with a carbon filter that is installed on the outside of the globe. When the globe is in the ..., 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 four safety zones to ensure your cat is always safe. There are three laser sensors located in the top of the ..., Keep your automatic litter box in top shape for years to come with Litter-Robot replacement parts and refresher items. Use our DIY repair guides and videos. ... Litter-Robot 4 Cat Presence Sensor . $15. Add to Cart. Add to Compare. Litter-Robot 4 Base . As low as $449. Rating: 69%. 9 Reviews ..., 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 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. , Litter-Robot 4 is equipped with OmniSense™ detection that utilizes laser and weight sensor technology to provide real-time litter and waste drawer levels. There are three laser sensors located in the top of the bezel, called curtain sensors, that accurately measure the capacity of the waste drawer. ..., A fter our positive experience with the Litter-Robot 3 Connect for many years, we were excited to test out the new Litter-Robot 4 to see if it could get any better. The new Litter-Robot 4 boasts new patented technology like its OmniSense™ Detection, which has laser and weight sensors to track your cat’s health via a mobile app and a quieter sifting …, There's no need to worry about your cat getting trapped in an actively-rotating litter box, thanks to the Litter Robot 4's cat detection sensors that activate the moment they place …, Edit2: after watching more videos it looks like there is a pinch sensor :(. But I hope someone can tell me if it has been improved to help stop or slow down corrosion. I have had the litter robot 2 and am using the litter robot 3 for a few years now. But the thing I hate most are the sensors. Specifically the pinch sensor and bonnet sensor., The motion sensors also enable real-time tracking that transmits data to the Whiskers App, which lets users know exactly when they need to refill cat litter and empty out the waste bin. ... Litter-Robot 4 was released on May 10, 2022, so we can't say how well it will perform in the long run. However, most customers like it so far, and many ..., 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., Want to keep your Litter-Robot 3 running perfectly, and avoid those nasty flashing error lights? Performing simple monthly maintenance is key. Litter dust c..., Litter-Robot 4 is equipped with OmniSense™ detection that utilizes laser and weight sensor technology to provide real-time litter and waste drawer levels. There are three laser sensors located in the top of the bezel, called curtain sensors, that accurately measure the capacity of the waste drawer., Installing the Litter-Robot 4 Mini Fence. Hold the fence upright inside the globe. Tilt the bottom of the fence toward you to align the back of the fence with the bezel. Gently push down on the front of the fence to snap it onto the bezel. Make sure the fence is level. Press the Reset button to zero the weight sensors.