Litter robot 4 light guide

Preparation. 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 curtain sensors located in the ...

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.Used your step by step directions and was able to replace motor and wire harness in my cats litter robot 2. When I connected the litter robot to power supply yellow soild light then red solid light motor would not turn. Thankfully, I had not put the top andd bottom together.Preparation. If Litter-Robot 4 displays a blue light bar with a blinking blue light adjacent to the Connect button, this indicates that the unit is connecting to the app or has disconnected and is trying to reconnect but has not successfully reconnected.. To reconnect your unit, you can re-enable the connection by pressing the Connect button once to turn the WiFi …Litter-Robot will switch back to household power when it returns, and the unit will begin recharging the battery. 1. Press the Power button to turn the unit off, then unplug the unit. 2. Remove the Bonnet and Globe. 3. Locate the unit serial number. It can be found on the inside back wall of the base, behind the waste drawer, or on the exterior ...Get started by following the steps below. If possible, place Litter-Robot in the same location as the old litter box (at least during transition). Make sure the unit is on a firm, level surface in a cool, dry location.Follow the steps in our Litter-Robot 4: Laser board installation guide to ensure the laser board is securely connected. You will need: Phillips-head screwdriver. Successful: If your Litter-Robot displays a blue light bar, you've been successful. Unsuccessful: If you are still seeing a red and blue alternating light bar, there's likely an issue ...

Aug 4, 2023 ... The Litter-Robot 4 is equipped with OmniSense™ detection that utilizes laser and weight sensor technology to provide real-time litter and ... Troubleshooting. Follow the steps in our Litter-Robot 4: Motor Installation Guide to ensure the motor is securely connected. You will need: Phillips-head screwdriver. Successful: If your Litter-Robot displays a blue light bar, you've been successful. Unsuccessful: If you are still seeing a blue and white alternating light bar, there's likely an ... The Litter-Robot 4 Backup Battery ensures you don't have to scoop in the event of a power outage. It provides 24-48 hours of use when power is interrupted. WiFi and night light functionality will be disabled during backup battery mode to conserve energy. Light bar display intensity will be reduced by 50%. Tools Needed: Phillips-head screwdriver. 1. Step 4: Adding Cat Litter. Now it’s time to add cat litter to the Litter-Robot 3 Connect. Follow the manufacturer’s recommendations regarding the type and amount of litter to use. Make sure to evenly distribute the litter in the globe, ensuring that it covers the entire bottom surface.Litter-Robot 3 is equipped with a main circuit board that controls the robot's functionality. Litter-Robot 3 Connect unit's main circuit board also controls the connectivity of the robot. Within this circuit board are the main processor, WiFi connectivity chip (for connect units), ambient light sensor, as well as main harness connectors for ...Mar 14, 2024 ... Is your Litter-Robot 3 presenting a yellow light flashing slowly? Maybe you received a “cycle interrupted” or “bonnet removed” notification?Therefore press the Resets button. This determination often resolve in topic of too much weight in aforementioned globe. Litter-Robot 4 Light User Guide. Litter-Robot 3 bluish and yellow fluorescent on. Are both the blue and yellow lights are illuminated on your Litter-Robot 3, it signifies that the unit is in 8-hour sleep mode. (The unit wish ... If your unit displays a green and white alternating light bar, this indicates an anti-pinch fault during power up. First, let’s check inside the waste drawer to see if there are any foreign objects that could be activating the sensors. Now, let's run a test cycle. Short press the Reset button, then short press the Cycle button to run a Clean ...

Blue: WiFi is connected, and the unit is ready for the next use. White: WiFi is turned off. Blinking Blue: WiFi is disconnected / reconnecting. Learn more. Blinking Yellow: Unit is in Onboarding Mode. Follow the prompts in the app and scan the QR code on the back of the unit as directed. Press the Connect button to exit Onboarding Mode.Page 31 Cleaning the Globe Press the Empty button to cycle the Globe clockwise, which will allow the litter to fall through the Waste Port and into the Waste Drawer for easy disposal. Sweep any leftover litter toward the Waste Port. Then, press either Cycle or Reset to return the Globe to the Home position.The first robot was created by the Greek mathematician Archytas of Tarentum. It was a flying wooden dove that traveled up to 200 meters through the air by flapping its wings.Phone and Chat support available Mon-Fri: 9AM-7PM EST and Sat: 9AM-5PM EST, or submit a ticket anytime. Resolve the 'Accessory not detected' issue on your Litter-Robot 4, indicated by an alternating blue and purple light bar, with our visual troubleshooting guide.

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Replacing the Litter-Robot 4 Globe is easy. Follow these steps to remove the old globe and quickly install a new one. Make sure the unit is in the Home/Ready position. Press the Power button to turn the unit off, then unplug the unit. Remove the fence from the bezel at the globe entrance (if installed).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 ...Add Litter 1 3 2 4 If possible, place the Litter-Robot in the same location as the old litter box (at least during transition). Make sure the unit is indoors on a firm, level surface and in a cool, dry location. Must not be touching any walls. Place litter mats or rugs in front of the unit. The Litter-Robot will now perform an initial clean ... How to Install a Waste Drawer Liner | Litter-Robot 3. Watch on. Open a new waste drawer liner or bag. For Litter-Robot 4: Wrap the edges of the waste drawer liner over the rim of the waste drawer. For Litter-Robot 3: Roll down the edges of the waste drawer liner a few times. Push the rolled edges of the liner into each of the four tabs in the ... Learn how to easily replace the Litter-Robot 3 Bonnet LED Circuit Board with our step-by-step installation guide. Ensure your Litter-Robot 3's automatic night light functions seamlessly. ... press and hold the Power button for about 5 seconds. The night light will flash on and, depending on the ambient light, the night light will either stay on ...The Litter-Robot 4 Backup Battery ensures you don't have to scoop in the event of a power outage. It provides 24-48 hours of use when power is interrupted. WiFi and night light functionality will be disabled during backup battery mode to conserve energy. Light bar display intensity will be reduced by 50%. Tools Needed: Phillips-head screwdriver. 1.

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 two weeks or two packs every month. 4. Keep it clean! Once every month or so (depending on how frequently the unit is used), give your Litter-Robot a …The Litter-Robot is equipped with an Anti-Pinch safety feature to make the Litter-Robot extra safe for your cat. While cycling, if a potential pinch condition is detected, the globe will stop and reverse direction for 2 seconds. The yellow light will begin flashing quickly, about four times per second. You will also receive a notification on ...Litter-Robot 4 features an easy-to-use control panel near the top of the unit. Power button. Press the Power button to turn the unit power ON or OFF.When turning the unit ON, the light bar will flash white, then the unit will perform a Clean cycle with a sequential round robin yellow light bar indicating the direction of rotation.View and Download whisker Litter-Robot 4 instruction manual online. Litter-Robot 4 pet care product pdf manual download.Step 4: Adding Cat Litter. Now it’s time to add cat litter to the Litter-Robot 3 Connect. Follow the manufacturer’s recommendations regarding the type and amount of litter to use. Make sure to evenly distribute the litter in the globe, ensuring that it covers the entire bottom surface.Replacing the Litter-Robot 4 Globe is easy. Follow these steps to remove the old globe and quickly install a new one. Make sure the unit is in the Home/Ready position. Press the Power button to turn the unit off, then unplug the unit. Remove the fence from the bezel at the globe entrance (if installed).Visit our Getting Started page for setup directions, manuals, and video tutorials.. Your Litter-Robot 4 ships fully assembled. Follow these steps to get started or refer to the user manual for more information.Phone and Chat support available Mon-Fri: 9AM-7PM EST and Sat: 9AM-5PM EST, or submit a ticket anytime. Resolve the 'Accessory not detected' issue on your Litter-Robot 4, indicated by an alternating blue and purple light bar, with our visual troubleshooting guide.Automatic Night Light. Guide elderly cats during night time visits with Litter-Robot 3’s built-in night light. Sleep Mode. Pause automatic cycling in 8-hour increments. Adjustable Cycle Timer. Choose a 3, 7, or 15 minute delay before cycling begins. Control Panel Lockout.Litter-Robot 4 features an easy-to-use control panel near the top of the unit. Power button. Press the Power button to turn the unit power ON or OFF.When turning the unit ON, the light bar will flash white, then the unit will perform a Clean cycle with a sequential round robin yellow light bar indicating the direction of rotation.Feb 1, 2024 ... If your Litter-Robot 3 is displaying a solid yellow light with no movement of the Globe, there are several things we need to check.

If your Litter-Robot 3 is displaying a yellow light flashing slowly, ... a "Bonnet removed" notification in the Whisker app, refer to the Litter-Robot 3: Yellow flashing slowly (Bonnet removed) guide. If you are unsure, troubleshoot both errors. ... Litter-Robot will perform an initial Clean cycle, and the cat sensor will take a new measurement ...

Remove any fence that is attached to the Litter-Robot bezel. Notice the two “notches” on the lower inside edge of the bezel. Set the shield hinge onto the bezel using the notches as a guide to center the hinge. Using your thumb and forefingers, hold one end of the shield hinge against the bezel. Press down until you hear a click, then ...View and Download whisker Litter-Robot 4 instruction manual online. Litter-Robot 4 pet care product pdf manual download.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. The carbon filter is not required for the unit to function. The OdorTrap® Packs may be used instead of the carbon filter.Instruction Manual. Toll Free: 877-250-7729. www.Litter-Robot.com. Thank you for purchasing Litter-Robot® Open Air, the self-cleaning litter box that really works! At AutoPetsTM (Automated Pet Care Products, Inc.), we aim to develop products that keep your pets happy and make your life easier.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...Remove any fence that is attached to the Litter-Robot bezel. Notice the two “notches” on the lower inside edge of the bezel. Set the shield hinge onto the bezel using the notches as a guide to center the hinge. Using your thumb and forefingers, hold one end of the shield hinge against the bezel. Press down until you hear a click, then ...The Litter-Robot 4 Backup Battery ensures you don't have to scoop in the event of a power outage. It provides 24-48 hours of use when power is interrupted. WiFi and night light functionality will be disabled during backup battery mode to conserve energy. Light bar display intensity will be reduced by 50%. Tools Needed: Phillips-head screwdriver. 1.These sensors detect when a cat has entered or exited the unit. If the unit detects an issue with all three laser sensors, called curtain sensors, it will indicate a fault with the entire system and the light bar on the Litter-Robot will display red and blue alternating lights. You will also receive a notification on your phone if you use the ...

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Customize alerts to find out when cycling occurs, the drawer is full, or the unit is paused. Manage your settings. Adjust the Litter-Robot cycle delay, lock out the control panel, activate the night light, or schedule sleep mode. Connect multiple robots. Onboard one or more Litter-Robots or Feeder-Robots to the Whisker app. Preparation. Litter-Robot 4 is equipped with features for future accessories to make life for pets and pet parents endlessly better. If your unit’s light bar is alternating blue and purple, this indicates your unit entered a mode for an accessory that is not detected. Litter-Robot 4: Blue and white alternating light bar (Motor fault) Litter-Robot comes equipped with current-sensing capability to detect if the motor is connected and running properly. If the unit displays a blue and white alternating light bar, there is an issue with the motor connection, which affects the rotation of the globe.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 odour control, cat safety, and real-time tracking of waste and litter levels through the …Make sure your mobile device's bluetooth is enabled. To start the onboarding process, put the Litter-Robot into setup mode. Press and hold the Connect button on the control panel for three seconds. The control panel will turn solid blue with a yellow light on the bottom. Next, open up the Whisker app.To enter the Automatic Night Light Setting Mode, press and hold the Reset Button button. The Light Bar will indicate the current setting. 1 Green Light displayed → Always OFF. 2 Green Lights displayed → Always ON. 3 Green Lights displayed → Automatic mode. Automatic mode: When the Light Sensor, located in the Control Panel, detects low ...Features. Upgrade your pet care routine with the latest self-cleaning litter box: Litter-Robot 4. Litter-Robot is a smart self-cleaning litter box for cats that automatically cleans your …This manual will help you get the most out of your Litter-Robot. We will guide you through the setup process, as well as provide you with useful tips and advice for acclimating your cat to their new automatic, self-cleaning litter box. Whisker exists to make life for pets and pet parents endlessly better. As the leading innovators in pet tech ...Feeder-Robot can be equipped with a backup battery (sold separately) that provides approximately 24 hours of operation in power-saving mode if power is interrupted. Note: When power is interrupted, the unit will automatically switch to battery power and a blinking yellow light will illuminate the power button on the control panel.Troubleshoot your Litter-Robot 4 night light issues with our expert guide. Learn simple fixes for non-working lights. Click now to restore functionality! ... The Litter-Robot arrives with the Automatic Night Light function enabled. You can set the light to always on, off, or automatic. You can also adjust the brightness of the night light. ….

The logistics industry is undergoing a significant transformation, driven by technological advancements such as automation and robotics. One of the most notable trends in the logis...4. Turn the Circuit Board over and unplug the three connectors: 4-pin (DFI Drawer Full Indicator), 6-pin (Motor and Power), and 8-pin (Hall Effect Sensor). Set the Circuit Board aside. Remove old wire harness. 1. Unplug the Motor wires.Therefore press the Resets button. This determination often resolve in topic of too much weight in aforementioned globe. Litter-Robot 4 Light User Guide. Litter-Robot 3 bluish and yellow fluorescent on. Are both the blue and yellow lights are illuminated on your Litter-Robot 3, it signifies that the unit is in 8-hour sleep mode. (The unit wish ...Blue: WiFi is connected, and the unit is ready for the next use. White: WiFi is turned off. Blinking Blue: WiFi is disconnected / reconnecting. Learn more. Blinking Yellow: Unit is in Onboarding Mode. Follow the prompts in the app and scan the QR code on the back of the unit as directed. Press the Connect button to exit Onboarding Mode.After Litter-Robot cycles, it should return to the Home position, displaying a solid blue light. Successful: If your unit displays a solid blue light bar, you' ...The Litter-Robot arrives with the automatic night light function enabled. When the light sensor, located in the control panel, detects low-light conditions, the night light turns on automatically. The automatic night light, located in the upper bonnet, is there to help guide your cat to the litter box.Plug Litter-Robot into the wall. Press the Power button to turn the unit on. Once the initial clean cycle is complete, the unit should return home displaying a blue 'ready light' status. If your Litter-Robot 3 Connect was onboarded before installation, the app will work with the same serial number, but you will need to delete your original ... Emptying Litter-Robot is easy as taking out the trash with custom-fit waste drawer liners, made specifically for Litter-Robot. Litter-Robot does not require special bags or liners for the waste drawer though. As long as it fits, you can use it. Customers often use 10- to 13-gallon clear kitchen garbage bags or large clear plastic grocery bags. Litter-Robot 3 is about the size of a nightstand, while Litter-Robot 4 has a footprint similar to that of a large traditional litter box—so there’s no need to make additional space. See exact dimensions below: Height: 29.5" (74.9cm) Width: 24.25" (68.6cm) Depth: 27" (68.6cm) Height: 29.5" (74.9cm) Width: 22" (55.8cm) Depth: 27" (68.6cm ... Preparation. 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 curtain sensors located in the ... Litter robot 4 light guide, Set aside the filter cover. Remove the carbon filter (if installed) and prepare to install the OdorTrap® Holder. Open the OdorTrap® Holder by unsnapping the two (2) side clips. Place the opened OdorTrap® Holder on the filter cover. The center arrow on the OdorTrap® Holder must line up with the small dot on the center of the filter cover., Solve your Litter-Robot 4 red-green light issue with our easy guide. Get quick help for calibration issues. Click for immediate support! ... Litter-Robot 4: Red and green alternating light bar (Calibration issue) ... as well as measure its weight. If the unit displays a red and green alternating light bar, the unit has lost its factory scale ..., Litter-Robot 4: Red and green alternating light bar (Calibration issue) Litter-Robot comes equipped with a calibrated weight scale to accurately detect when your cat has entered the unit, as well as measure its weight. If the unit displays a red and green alternating light bar, the unit has lost its factory scale calibration values., The following are the typical causes of why your Litter-Robot is having torque issues: 1. Motor Obstruction. The globe of the Litter-Robot can get jammed at one point while using the litter box. This causes the motor to stop and will display yellow and red lights blinking in sequence. Recommended: How to fix yellow light flashing in Litter ..., Preparation. If Litter-Robot 4 displays a blue light bar with a blinking blue light adjacent to the Connect button, this indicates that the unit is connecting to the app or has disconnected and is trying to reconnect but has not successfully reconnected., Preparation. If Litter-Robot 4 displays a blue light bar with a blinking blue light adjacent to the Connect button, this indicates that the unit is connecting to the app or has disconnected and is trying to reconnect but has not successfully reconnected., Open the filter cover and remove the carbon filter (if installed). Place 2 OdorTrap® Packs under the filter cover and reinstall the cover. Under normal use, 2 packs should last approximately 1 month. (Note: OdorTrap® Packs may shift as the globe rotates.) Close the bonnet: Rotate the bonnet downward over the globe and push down on the bonnet ..., Litter-Robot 4: Blue light bar with yellow blinking WiFi (Onboarding mode) Litter-Robot 4: Blue with partial yellow flashing (Excess weight detected) Litter-Robot 4: Calibrating OmniSense Laser Sensors. Litter-Robot 4: Connect light status (WiFi) Litter-Robot 4: Control Panel - Button Functions., This manual will help you get the most out of your Litter-Robot. We will guide you through the setup process, as well as provide you with useful tips and advice for acclimating your cat to their new automatic, self-cleaning litter box. Whisker exists to make life for pets and pet parents endlessly better. As the leading innovators in pet tech ... , Litter-Robot 3: All three lights flashing (Globe position fault) Litter-Robot 3: Blue Light Flashing (Drawer Full) Litter-Robot 3: Buttons and Lights. Litter-Robot 3: Cat not detected. Litter-Robot 3: Cat Sensor Troubleshooting. Litter-Robot 3: Control Panel Lockout. Litter-Robot 3: Cycle delay setting., Litter-Robot 3: Yellow flashing slowly (Cat sensor) The Litter-Robot 3 is equipped with a cat sensor that detects when a cat enters and exits the globe. If a cycle is interrupted or the bonnet is removed, the unit will stop, and the yellow light will flash slowly, about 1x per second. This will also occur if the cat sensor is activated by a cat ..., Preparation. If Litter-Robot 4 displays a blue light bar with a blinking blue light adjacent to the Connect button, this indicates that the unit is connecting to the app or has disconnected and is trying to reconnect but has not successfully reconnected. , Learn how to easily replace the Litter-Robot 3 Bonnet LED Circuit Board with our step-by-step installation guide. Ensure your Litter-Robot 3's automatic night light functions seamlessly. ... press and hold the Power button for about 5 seconds. The night light will flash on and, depending on the ambient light, the night light will either stay on ..., Mar 14, 2024 ... Is your Litter-Robot 3 presenting a yellow light flashing slowly? Maybe you received a “cycle interrupted” or “bonnet removed” notification?, Litter-Robot 4: Light Codes Guide ; Litter-Robot 4: Night Light Feature ; Litter-Robot 4: Night Light Not Coming On or Shutting Off Litter-Robot 4: Ongoing Maintenance Litter-Robot 4: Purple Light Bar (Sleep Mode) Litter-Robot 4: Red & Blue Alternating Light Bar (Laser Board Fault) ..., Litter-Robot 3: All three lights flashing (Globe position fault) Litter-Robot 3: Blue Light Flashing (Drawer Full) Litter-Robot 3: Buttons and Lights. Litter-Robot 3: Cat not detected. Litter-Robot 3: Cat Sensor Troubleshooting. Litter-Robot 3: Control Panel Lockout. Litter-Robot 3: Cycle delay setting., Get $25 off the Litter Robot 4 https://bit.ly/LitterRobot_4 In the this video we set the Litter Robot 4 up and have a look at some of the basic features. ...more., Feb 10, 2018 · Litter-Robot 3: All three lights flashing (Globe position fault) Litter-Robot 3: Blue Light Flashing (Drawer Full) Litter-Robot 3: Buttons and Lights. Litter-Robot 3: Cat not detected. Litter-Robot 3: Cat Sensor Troubleshooting. Litter-Robot 3: Control Panel Lockout. Litter-Robot 3: Cycle delay setting. , Troubleshoot your Litter-Robot 4 night light issues with our expert guide. Learn simple fixes for non-working lights. Click now to restore functionality! ... The Litter-Robot arrives with the automatic night light function enabled. You can set the light to always on, off, or automatic. You can also adjust the brightness of the night light., Litter-Robot 3: Bonnet LED circuit board installation guide. Learn how to replace the Litter-Robot 3 Bonnet LED Circuit Board, which is used to power Litter-Robot 3’s automatic night light. You will need: Phillips-head screwdriver. Press the Power button to turn the unit off. Press the bonnet tabs on either side of the unit to release the bonnet., Feeder-Robot can be equipped with a backup battery (sold separately) that provides approximately 24 hours of operation in power-saving mode if power is interrupted. Note: When power is interrupted, the unit will automatically switch to battery power and a blinking yellow light will illuminate the power button on the control panel., Feeder-Robot can be equipped with a backup battery (sold separately) that provides approximately 24 hours of operation in power-saving mode if power is interrupted. Note: When power is interrupted, the unit will automatically switch to battery power and a blinking yellow light will illuminate the power button on the control panel., The logistics industry is undergoing a significant transformation, driven by technological advancements such as automation and robotics. One of the most notable trends in the logis..., Aug 4, 2023 ... The Litter-Robot 4 is equipped with OmniSense™ detection that utilizes laser and weight sensor technology to provide real-time litter and ..., Find helpful tips and instructions in our Litter-Robot 4 manual. Learn to maximize your product's efficiency. Click for support and step-by-step guides., Troubleshooting. Follow the steps in our Litter-Robot 4: Motor Installation Guide to ensure the motor is securely connected. You will need: Phillips-head screwdriver. Successful: If your Litter-Robot displays a blue light bar, you've been successful. Unsuccessful: If you are still seeing a blue and white alternating light bar, there's likely an ... , This manual will help you get the most out of your Liter-Robot. We will guide you through the setup process, as well as provide you with useful tips and advice for acclimating your cat to their new automatic, self-cleaning liter box. Whisker exists to make life for pets and pet parents endlessly beter. As the leading innovators in pet tech and ..., Neutralize litter box odors, and give kitty a clean bed of litter every time with Litter-Robot 4. 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 light not only adds to the aesthetic of your Litter-Robot, it will also provide additional light to those cats that need it. The Litter-Robot arrives with the Automatic Night Light function enabled. You can set the light to always on, off, or automatic. You can also adjust the brightness of the night light. How to Change the Night Light Setting, If your Litter-Robot 3 predates February 2018, removing the internal shield is crucial to prevent the '3 lights flashing' fault. The store will not work correctly in the case when cookies are disabled. ... Litter-Robot 3: Key and plug installation guide. ... the unit should return to the home position displaying a blue “ready light” status ..., Solve your Litter-Robot 4 red-green light issue with our easy guide. Get quick help for calibration issues. Click for immediate support! ... Litter-Robot 4: Red and green alternating light bar (Calibration issue) ... as well as measure its weight. If the unit displays a red and green alternating light bar, the unit has lost its factory scale ..., The Litter-Robot 4 certainly isn't inexpensive at $699, especially given that other robotic litter boxes are available for significantly less. Still, compare its capabilities to a decent robot ..., The Litter-Robot arrives with the automatic night light function enabled. When the light sensor, located in the control panel, detects low-light conditions, the night light turns on automatically. The automatic night light, located in the upper bonnet, is there to help guide your cat to the litter box. A light sensor located above the Cycle ...