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Litter-robot 4 weight sensor not working of Technology

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Replacing the oxygen (O2S) sensor on your Volkswagen Jetta is a simple process. Wear long sleeves and working gloves if necessary to prevent skin burns, and then follow these steps to remove and install the new sensor in your Jetta. You can...They are working on an update to help with the Offline issues. After 3 Cat Sensor faults, the Litter Robot 4 has a safety feature where it will no longer cycle. To bypass this, you need to press the Reset button in person. There is no Reset button in the app, but you can try Powering Off and Powering On the robot using the app instead.Jun 12, 2018 · The unit is pretty sensitive and can pick-up weight from hands, arms, or other objects resting on the unit when “reset” is pressed. The unit should also be pulled away from a wall. Make sure you do not press on the Litter-Robot when you press the reset button. We need to troubleshoot your cat sensor system (CATS). This is based on your description of a solid blue light after the cat has ... Here are some troubleshooting steps you can try:" Run a cycle by pressing the Cycle button to see if everything is working properly. If you are still having trouble and your unit is connected to the app, open the app, click on your Litter-Robot 4, go to Controls, click “Information”, click “Update Firmware”, and on the pop-up, click ...The Whisker Litter-Robot 4 is not merely an iterative improvement on our former "Best Overall" automatic litter box, the Litter-Robot 3 Connect, but a comprehensive upgrade. In lab testing—and throughout weeks of follow-up testing with real cats in a home setting—our testers expressed repeated admiration for various features, design ...The Litter Robot 3 is an incredibly popular automatic cat litter box which automatically detects when a cat has entered and exited, and rotates the main globe to sift and dump the used litter. It is subjected to conditions which most robots - if they had a choice, would prefer not to be subjected to. There's a lot of dust and debris which can cause issues, which leads to the robot not ...Does IFTTT not support the 4 yet? I am trying to connect it but it just keeps saying no options available when I try to select mine from the drop down. What concerns me the most though is the weight sensor. I have noticed that the drawer level will be all over the place. Does IFTTT not support the 4 yet? I am trying to connect it but it just keeps saying no options available when I try to select mine from the drop down. What concerns me the most though is the weight sensor. I have noticed that the drawer level will be all over the place. If you have trees on your property that you don’t want anymore or old limbs and branches that litter your land, you don’t have to call a tree service and pay lots of money for someone else to get rid of them. A good chainsaw makes that kind...First, empty the Waste Drawer. It's best to empty the Waste Drawer if it's getting close to full. Check for excess litter inside the Globe. Using more than 10 lbs of litter can strain the motor, causing an over torque fault. Make sure the litter is at or below the raised fill line. Some brands of litter are heavier than others.Size: Beyond big. An average litter box is fairly compact—personally, our old one was 15 inches by 19 inches with 8-inch walls. The Litter-Robot 3, on the other hand, is absolutely huge. This futuristic-looking gadget is almost 2.5 feet—and it measures just over 2 feet wide and a little over 2 feet deep.One of the most common troubleshooting situations for Litter-Robot 3 users can be solved with the press of a button—the Reset button. To understand why and see if it can solve an issue you're having, read on. The Cat Sensor Litter-Robot at standby (solid blue light).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. There are 3 laser sensors located in the top of the Bezel ...Like any robot designed to take over one of your everyday chores, there’s a trade-off—a financial one. A good litter box is maybe $40 if you want one that’s enclosed. The Litter-Robot is ...The weight scale could be detecting additional weight added to the Litter-Robot. If you’ve recently moved or added litter, this could cause the unit to think a cat has entered and …Our definition of a small cat is 2.3-4.5kg; medium cat is 4.5-6.8kg; large cat is 6.8-9kg; and extra large cat is any cat that weighs more than 9kg. Again, the Litter-Robot does not have an upper weight limit, so whether or not the Litter-Robot will be comfortable for a large or fat cat is up to the individual.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 is the highest-rated automatic, self-cleaning litter box for cats. 90-day in-home trial. 1-year warranty. Free shipping*. Designed & assembled in the USA. The store will not work correctly in the case when cookies are disabled. Skip to Content . Search. Search. Search. Free Shipping on Orders $49+ * Toggle Nav. Litter-Robot ... Track your cat’s …First, empty the Waste Drawer. It's best to empty the Waste Drawer if it's getting close to full. Check for excess litter inside the Globe. Using more than 10 lbs of litter can strain the motor, causing an over torque fault. Make sure the litter is at or below the raised fill line. Some brands of litter are heavier than others.The sensors work by sending beams from one sensor to the other, and if the beam is interrupted, the blue light will flash as the Litter-Robot thinks the drawer needs to be emptied. A full tray (with soiled clumps sitting above the tray edge level) will cause the indication, as will a litter bag not well fitted protruding about the tray edge ...The Petkit Pura X Litter Box is a self-cleaning litter box that is cube-shaped and takes up a little less space than the Litter Robot III. It comes with many features, including an app that provides real-time notifications regarding your cat’s weight, multiple sensors, as well as a rotating inner globe that cleans quietly and effectively.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. There are 3 laser sensors located in the top of the Bezel ...Thank you!! I was thinking it had something to do with the weight sensor as well. It may be time for a replacement, I've had this thing for almost 3 years now. I love it and hate it. I was against getting one, but my mom had to have it and of course I get to be the one to work on it every time it messes up 😂 Thanks for the video. 1 Dani-Boyyyy LR Power User 🐾 • 6 mo. ago If pressing the top of the globe back does make the red light, but your cats aren’t tripping it, another thing you can do is remove the …Laser and weight sensor technology detects cats weighing 3+ lbs. The integrated SafeCat™ System continuously analyzes 4 zones to ensure kitty’s safety. Cleaner paws, tidier home. ... Litter beads and crystals that are small enough to pass through the screen will also work. Litter-Robot is not compatible with litters that are strictly absorbent, non …View and Download whisker Litter-Robot 4 instruction manual online. Litter-Robot 4 pet care product pdf manual download. ... Page 10 Handle Cat Sensor And Weight Scale Power Inlet Hinge Bottom View Dimensions Height Width Depth Weight Fully Assembled 29.50” 22.00” 27.00” 24 lbs. Waste Drawer 5.50” 13.50 ... if a potential pinch ...Few steps: 1: Cut either the black or blue wire. 2: Get a 2k ohm resistor. (I didn't have any so I used a resistor and a potentiometer.) P.s. 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. 29 Jun 2022 ... One time my machine had a "cat sensor fault," which just means the litter box has stopped rotating for some reason. You immediately get a ...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.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. In this video, our Domestic Robots Specialists Phil and Josué teach you how you can easily replace the cat sensor in your robotic litter Litter-Robot 3 Open ...This design works well for cats young and old, and while tiny kittens would have a difficult time using it, the Litter Robot 4 wasn’t designed to safely work for cats weighing 3 lbs or less.Litter level: sensor: Displays the litter level, only for Litter-Robot 4. Pet weight: sensor: Displays the last measured pet weight, only for Litter-Robot 4. Sleep Mode Start Time: sensor: When sleep mode is enabled, displays the current or next sleep mode start time. Sleep Mode End Time: sensorThe Litter-Robot four-part system (base, globe, bonnet, and drawer) was constructed with easy upkeep in mind. Whether you’re deep-cleaning or replacing a part, the simple modular design allows you to readily access and service your Litter-Robot. We also offer Litter-Robot repair services even after the WhiskerCare™ Warranty expires—just ...Does the weight sensor not work well on carpet? My tray level seems pretty accurate but my litter level is all over the place. Acgator03 • 1 yr. ago No, it will not work well on carpet. I put a small piece of plywood under the one I temporarily had on carpet and it worked perfectly though.The Litter-Robot 3 Connect is still available, and it's over $100 cheaper than the Litter-Robot 4. These are the main differences: The Litter Robot 4 is great for multiple cats. Whisker. The ...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 3 lbs. Therefore, kittens that weigh less than 3 lbs can use Litter-Robot 4, but not in automatic mode.Dec 12, 2022 · The dimensions for the entryway of the Litter Robot 4 is 15.75 inches by 15.75 inches, and this is a bit smaller with the Litter Robot 3 Connect which is 10.25 inches by 15.5 inches. The entry for the Litter Robot4 is a wide and round flat faced entry, while the one for the Litter Robot 3 Connect is more oval shaped and is angled upward. Litter-Robot by Whisker November 14, 2016 · If you've been troubleshooting issues with your Litter-Robot Open Air to no avail, try this Fresh Restart to eliminate confounding conditions and identify the problem if there is one. Litter Robot 3 Connect with Solid Yellow Light. To Hard Reset the unit, please do the following: Turn the Power Off and unplug the Power Supply from the Base of the unit. Remove the Bonnet from the unit and set it aside, then remove the Globe and set it aside making sure that it does not roll. Ensure the Base is properly situated on a hard ...On the LR3 the cat sensor nut is located in the waste drawer compartment, fairly easy to get to, (see attached picture) use a small adjustable wrench or a 8 or 9 mm end wrench try turning it loose 1/2 turn initially and test for the sensitivity, loosen another 1/2 turn if no change. If there's no change in sensitivity after the full turn then ...If a Curtain Sensor is activated during a cycle, the Globe will stop. After 15 seconds of no further activation, the Globe rotation will resume. Cat Sensor - Weight Scale . 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.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. The cat sensor will detect your cat (by weight) and turn off the motor. It will wait 15 seconds, then attempt to resume the cleaning cycle. If your cat or something else is still tripping the cat sensor, the Litter-Robot will not resume the cleaning cycle and a series of lights will flash indicating the problem.The cat sensor may be small, but is still an important part of your Litter-Robot Open Air III. Without this small component, your robot won't detect when your cat is inside the litter. Although the sensor is …Litter robot not sensing cats. The unit is pretty sensitive and can pick-up weight from hands, arms, or other objects resting on the unit when “reset” is pressed. The unit should also be pulled away from a wall. Make sure you do not press on the Litter-Robot when you press the reset button. We need to troubleshoot your cat sensor system (CATS).The cat sensor may be small, but is still an important part of your Litter-Robot Open Air III. Without this small component, your robot won't detect when your cat is inside the litter. Although the sensor is not prone to defects, it is pretty sensible and you could find yourself one day with a Red.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. Litter-Robot 3: Reset Button. The Reset button will reset your Litter-Robot's Cat Sensor. You can think of the Cat Sensor as the scale and the Reset button as a way to zero the scale. IMPORTANT: Any time you do anything that affects the weight or placement of the unit, including adding or removing litter, emptying the Waste Drawer, or moving or ...I've got this issue that I believe I've narrowed down to the weight sensor in the "cat's foot" on the bottom of my Litter Robot 3. With no cat having entered the unit, the light will occasionally go red and it will start it's waiting period for the litter to firm up. It'll then start rotating, and will pause a few times during it's rotation ...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 3 lbs. Therefore, kittens that weigh less than 3 lbs can use Litter-Robot 4, but not in automatic mode.Received the LR4 a couple days ago and got it set up. At first it was weighing my cat (s) at around 2-4lbs (they are adult cats and weigh around 11lbs). I assumed this was because they were just getting in halfway to check things out. However, now it’s not weighing them at all. I know they are using it because I checked the drawer to see if ...Soldiers face danger every day -- detecting landmines, deactivating unexploded bombs and scoping out hostile buildings are tasks that don't always require a human presence. That's where military robots come in. Advertisement Everyone knows ...Litter-Robot 3: Reset Button. The Reset button will reset your Litter-Robot's Cat Sensor. You can think of the Cat Sensor as the scale and the Reset button as a way to zero the scale. IMPORTANT: Any time you do anything that affects the weight or placement of the unit, including adding or removing litter, emptying the Waste Drawer, or moving or ... Here are some common reasons why the sensor may stop working: Dirty sensor: The sensor can become dirty or covered with litter, which can interfere with its …Litter-Robot 4: Sensors and Functions The Litter-Robot 4 is equipped with OmniSense™ detection that utilizes laser and weight sensor technology to provide real-time litter and … Size: Beyond big. An average litter box is fairWhen the robot gets back to it's start positElegantly designed to maximize comfort for cats of all si

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The value indicated on the serial port should match .

8.40 /10 3. Best value: PetSafe ScoopFree Self-Cleaning Litter Box. 8.60 /10 4. KungFuPet Self-Cleaning Cat Litter Box. 8.60 /10 5. CATLINK Self Cleaning Scooper-Pro. 8.00 /10 6. PETKIT Pura X. A standard cat litter box needs cleaning on a daily basis, or sometimes more often if you have two or more cats.If you have trees on your property that you don’t want anymore or old limbs and branches that litter your land, you don’t have to call a tree service and pay lots of money for someone else to get rid of them. A good chainsaw makes that kind...Try disconnecting the app, installing and run it. The app Itself may be the problem. 1. DisciplineAgile7187 • 1 yr. ago. It may be a seal issue. I was sending back my second LR4 and trying to clean it. It had a small bucket full of litter in the actual moving globe underneath. So frustrated. Bought the LR3 connect. Push down and back, as if you attempting to roll a ball away from you. The unit should switch to red when you do that. When you do it, listen for a faint click. That’s the sensor actuating. Gently rock it like that several times. Now wait for the unit to autocycle, (assuming this has made the light red). Litter-Robot by Whisker November 14, 2016 · If you've been troubleshooting issues with your Litter-Robot Open Air to no avail, try this Fresh Restart to eliminate confounding conditions and identify the problem if there is one.They are working on an update to help with the Offline issues. After 3 Cat Sensor faults, the Litter Robot 4 has a safety feature where it will no longer cycle. To bypass this, you need to press the Reset button in person. There is no Reset button in the app, but you can try Powering Off and Powering On the robot using the app instead.If you move the mat forward just a bit so it's not under the cat sensor, this will help elevate the front of the unit. Always press Reset when adding litter, removing waste, or moving the unit. Press Reset with the unit showing a blue solid light. Do not rest on the unit when pressing Reset. Use 8-10 pounds of clay clumping litter (standard ... Litter-Robot 3: Reset Button. The Reset button will reset your Litter-Robot's Cat Sensor. You can think of the Cat Sensor as the scale and the Reset button as a way to zero the scale. IMPORTANT: Any time you do anything that affects the weight or placement of the unit, including adding or removing litter, emptying the Waste Drawer, or moving or ...Your cat must be at least five (5) lbs for the sensor to work. Do not use the Litter-Robot with 2. Make sure that the green light on the Litter-Robot kittens or cats that weigh less than five lbs. Control Panel is on (“OK/Waiting”). …The value indicated on the serial port should match the weight of the reference weight. 3 - If the value is not as expected, type + or - in the Serial Monitor (followed by enter) to increase or decrease the calibration factor of the scale until the indicated weight coincides with its reference weight. 4 - Remove weight and press 0 …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.The Litter-Robot litter sifting system requires clumping litter to work properly. We recommend a high-quality, clay-clumping litter. Use of lightweight litters, such as corn or wheat, may require more weight to activate the Cat …The “full” message doesn’t mean full. Think of the low fuel message in your car. Doesn’t mean you’re out of gas. It’s just a warning. As per the LR 4 manual, once you get a Drawer Full notification, if you ignore it, you’ll get four more such notifications before it really is full and the blue light bar flashes.I would definitely recommend calling the Litter Robot support team - they were really helpful when I called with frequent cat sensor faults a few months after getting our litter robot 3 - they recommended filling it less than I have been - suggesting it may do better 1/2" or 1" BELOW the fill line - apparently with different weights of litters, they've found filling up to the line or ... These sensors detect when a cat has entered or exited the unit. If your unit has a red flashing light bar or the unit will not cycle, this indicates that the cat sensor has been triggered for more than 30 minutes. You will also receive a notification on your phone if you use the Whisker App. Successful: If your unit returned home and displays a ... The Litter-Robot 4 has many of the same features as the previous model. It self-cleans after each use by using a patented sifting system to deposit waste into the drawer at the base of the unit. It can be used with multiple cats. The litter box is WiFi-enabled to connect to your smartphone (iOS and Android).The Litter-Robot four-part system (base, globe, bonnet, and drawer) was constructed with easy upkeep in mind. Whether you’re deep-cleaning or replacing a part, the simple modular design allows you to readily access and service your Litter-Robot. We also offer Litter-Robot repair services even after the WhiskerCare™ Warranty expires—just ...We give Litter-Robot 3 litter box a rating of 4.5 out of 5 stars overall. Editor Rating: 4.6/5. Build Quality: 4.8/5. Features: 4.5/5. Price: 4.0/5. Value: 4.5/5. The Litter-Robot 3 is a dream come true for cat …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. Does IFTTT not support the 4 yet? I am trying to con1 Dani-Boyyyy LR Power User 🐾 • 6 mo. ago If pr

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Jul 6, 2023 · The Litter-Robot 4 is the latest model in Whisker’s Litter-Robot line. It officially launched on May 10, 2022, and has been a hit with many satisfied customers. The design of the new Litter-Robot 4 shows that the makers were attentive to user feedback and made great lengths to make significant improvements from the Litter-Robot 3. Check for excess weight, such as too much litter or waste. When you are done, press the Reset button or turn the unit off then back on to reset the Cat Sensor. If the cycling light is slowly flashing yellow (about once per second) or you are receiving a Cycle interrupted or Bonnet removed notification, this indicates a cycle has been ... Locate the cat presence sensor under its protective cover, between the two glide buttons. Use a Phillips-head screwdriver to remove the single screw, then remove the protective …Each day, robotics and artificial intelligence are revolutionizing how we live, work, and play in the modern world. If you’re an investor, then you may be looking to ride the waves of success created by some of the world’s most innovative c...After 4 years of development, Whisker has announced the Litter-Robot 4. Compared to the Litter-Robot 3, Whisker's newest automatic litter box brings an enhan...Litter-Robot 3: Reset Button. The Reset button will reset your Litter-Robot's Cat Sensor. You can think of the Cat Sensor as the scale and the Reset button as a way to zero the scale. IMPORTANT: Any time you do anything that affects the weight or placement of the unit, including adding or removing litter, emptying the Waste Drawer, or moving or ... Does Litter-Robot 4 have a weight limit? No, Litter-Robot 4 does not have a weight limit. With entryway dimensions of 15.75"H x 15.75"W and interior globe dimensions of 15"-17"H (depending on litter level) x 19"W x 18"D, almost any domestic cat can fit comfortably inside the globe. Does Litter-Robot 4 require special litter? No, Litter-Robot 4 ...The Litter Robot 4 is an extravagance, but it's one that tired cat owners may find useful. Just don't expect any miracles. You'll still need to watch out for errors, do some manual scrubbing and ...The Litter-Robot 4 (first released in 2022), is an automatic, self-cleaning litter box that uses a unique rotating design to clean and separate waste from clean litter. Here’s how it works in its simplest of forms: Stage 1 – After your cat enters and uses the litter box, the Litter Robot 4’s sensor detects the presence of waste and begins ...Density (weight per volume) varies. 4.5kg or 10lb is about the right weight in the globe with nothing in the waste drawer. 2.25kg or 5lb cat then activates the cat sensor. When you empty the waste drawer and top up the globe, with a solid blue light showing, press RESET once. Blue light will blink, and the cat sensor will be calibrated to the ... Check for excess weight, such as too much litter or waste. When you are done, press the Reset button or turn the unit off then back on to reset the Cat Sensor. If the cycling light is slowly flashing yellow (about once per second) or you are receiving a Cycle interrupted or Bonnet removed notification, this indicates a cycle has been ... Litter-Robot 4 is a WiFi-enabled, automatic, self-cleaning litter box for cats. ... Laser and weight sensor technology detects cats weighing 3+ lbs. Enhanced safety. The integrated SafeCat System continuously analyzes 4 zones to ensure kitty's safety. Multi-cat friendly. ... They work great. Q: ...12 someweirdlocal • 1 yr. ago u/litterrobot 4 cetheile • 1 yr. ago My LR3 does something like this when there's too much litter in it. When there's too much litter and it spins it mistakes the movement of the heavy litter for a cat stepping inside. Have you tried removing some of the litter and restarting it? jamjam1090 • 1 yr. ago Few steps: 1: Cut either the black or blue wire. 2: Get a 2k ohm resistor. (I didn't have any so I used a resistor and a potentiometer.) P.s. 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.I have the litter robot 4, and the sensor holes are on the underside of the top near the front of the opening of the unit. ... Resetting the unit and reseating the globe didn't work. It turned out the laser cat sensors on top of the entrance are ridiculously sensitive. ... showing, I have less issues. I was thinking it was a weight issue, I ...This might sound strange, but someone else that had the same issue said theirs resolved when the cat stepped in when it was stuck. It looks like you’re using what I imagine is a very lightweight litter (and probably far lighter than the 10 lbs LR is assuming) so maybe the weight stuck to the liner is disproportionally heavier than the litter and causing some …Toll Free: 877-250-7729 www.Litter-Robot.com Setting Up Your Litter-Robot Your Litter-Robot comes fully assembled and ready to use. Get started by following the steps below. Placement If possible, place the Litter-Robot in the same location as the old litter box (at least during transition).1. Excess Weight (Slow Flash - 1x/sec) If there is excess weight inside the unit, this will cause the motor to slow down/seize and the unit will not complete a cycle in the allotted time frame (~2 minutes, 30 seconds). Please check your litter level to ensure that you are at or below the fill line. Can we ask what brand of cat litter you are using?If you're having trouble with your Litter Robot 4 Smart Scale, there are a few steps you can take to troubleshoot the problem. First, make sure the device is correctly installed and is receiving power. Check to see if the power cable is plugged in properly and connected securely. If the power LED is not illuminated, this indicates that the ...To do this, UNPLUG YOUR LR, remove the bonnet, remove the globe, turn the base over and remove the screws in the base. You need a fairly long screwdriver to do this. Now GENTLY remove the top piece of the base and set it aside. To answer your first question, the pinch bar is the plastic piece you see to the left of the hole when you remove the ...Fortunately, Litter-Robot 4 addresses all of that. Litter-Robot 4 cleans up your cat’s mess automatically, sweeping any solids or clumped litter into a waste drawer, keeping it out of sight, and eliminating odors. If you ever get frustrated by litter trays, a Litter-Robot will make owning a cat a joy again.Your cat must be at least five (5) lbs for the sensor to work. Do not use the Litter-Robot with 2. Make sure that the green light on the Litter-Robot kittens or cats that weigh less than five lbs. Control Panel is on (“OK/Waiting”). …The Litter-Robot 4 features a redesigned interior that makes it roomier on the inside than the LR3. The entry is round and much wider as well. The outside of the new Litter-Robot is less bulky, using a little less space. Litter-Robot 4 stays clean longer with deeper and more flexible rubber bottom. I have the litter robot 4, and the sensor holes are on the underside of the top near the front of the opening of the unit. ... Resetting the unit and reseating the globe didn't work. It turned out the laser cat sensors on top of the entrance are ridiculously sensitive. ... showing, I have less issues. I was thinking it was a weight issue, I ... The weight sensor seems to consistently re