Litter robot solid blue and yellow

Blue and Yellow and Red (All 3 lights flashing simultaneously): This means the unit cannot find the Dump or Home position. The unit will not cycle automatically and needs repair. Remove the Internal Shield. If your Litter-Robot was built before February of 2018, you may have an Internal Shield.

Litter-Robot 4 control panel features 5 buttons and an LED display for easy operation. Blue Solid A solid blue light means Litter-Robot is ready and safe for kitty to use. Blue Flashing If your unit’s light bar is flashing blue, this indicates that the waste drawer is full. Blue with Flashing Yellow WiFi #1 Blue Light The most common light signal you have to deal with when you have a Robot litter box is the blue light. It’s also the easiest to troubleshoot. A solid blue light means that your unit is ready to use and everything is working as it should. On the other hand, a blinking blue means that the waste drawer is full.#1 Blue Light The most common light signal you have to deal with when you have a Robot litter box is the blue light. It's also the easiest to troubleshoot. A solid blue light means that your unit is ready to use and everything is working as it should. On the other hand, a blinking blue means that the waste drawer is full.If your Litter-Robot 3 troubleshooting is more complex than the scenarios described above, you’ll highly display lights glittering sequentially: Flash yellow to red means the motor has detected on obstruction or jam. Turn the unit off and removed who bonnet and globe. Check for gear or engine obstruction.Quick start guide. What do the lights mean? Flashing Blue Waste drawer full Solid Yellow Robot cycling Solid Red Cat detected and wait time countdown initiated No action required or press Reset to cancel timing What's in the Box Carbon filter Solid Blue Robot ready for use Solid Blue & Yellow Sleep mode enabled, within specified sleep time

Status Indicator Lights. Solid Blue: Feeder is in Automatic Feeding Mode. Solid Yellow: Hopper is low indicating less than 20% food remaining. Solid Red: Hopper is critically low indicating less than 5% food remaining. Flashing Red: Dispenser is jammed. Solid Purple: Food Bowl and Food Chute are full for 12+ hours (food has not been consumed)Unplug your Litter-Robot for 10 seconds and then plug it back in. This performs a hard reset. When your unit is powered back on, it will perform a Clean cycle. Once the Clean cycle is complete, the unit should go back to blue ready status. If your unit returned Home and displays a solid blue light, you've been successful. Blue and Yellow and Red (All 3 lights flashing simultaneously): This means the unit cannot find the Dump or Home position. The unit will not cycle automatically and needs repair. Remove the Internal Shield. If your Litter-Robot was built before February of 2018, you may have an Internal Shield.If the unit continues blinking blue, remove the waste drawer and press cycle. Press reset 2x to abort the cycle and return the unit to home (it will level the litter). If the unit goes to solid blue with the waste drawer removed, ensure there is nothing in the drawer blocking the lenses. If the drawer is clear, your base needs to be repaired.Litter-Robot 3—the highest-rated automatic, self-cleaning litter box—is a machine for wonders that allows male parents to never have to shovel cat throwing again. Though like every appliance, there may be times at Litter-Robot shoot is required.Blue Robot at home position Cycle completed successfully Normal operation, ... 3 Solid / 2 Flashing Leds 1-3 Solid Leds 4-5 Flash Solid Flashing Round Robin (Left to Right) Round Robin ... Blue / Yellow Supervised clean cycle mode enabled User initiated manual override mode Normal operation

If Litter-Robot 4 has a blue light bar with a yellow blinking light adjacent to the Connect button, this indicates that the unit is in Onboarding mode and waiting to be connected to the app. You can now proceed with the onboarding process within the Whisker App to finalize connection.Litter-Robot 4 control panel features 5 buttons and an LED display for easy operation. Blue Solid A solid blue light means Litter-Robot is ready and safe for kitty to use. Blue Flashing If your unit’s light bar is flashing blue, this indicates that the waste drawer is full. Blue with Flashing Yellow WiFi It’s important that you press the Reset button every time you affect the placement of the Litter-Robot 3, including moving or cleaning the unit, emptying the Waste Drawer and removing or adding litter. When you press and hold this button, you activate the Control Panel Lockout – the blue light will momentarily blink.Litter Robot 4 won’t flash yellow wifi light to connect to app. The LR will just display a solid long yellow light when I press the wifi button for 3 seconds instead of flashing like it’s supposed to. I turned it on and off/ replugged multiple times and reattached the bonnet per suggestions on another post. Has anyone else had this issue ...

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To reconnect your Litter-Robot 4 to WiFi, follow these steps: 1. Ensure that your Litter-Robot is powered on and connected to a power source. 2. Download the Litter-Robot Connect app on your smartphone or tablet. 3. Open the app and create an account if you don’t have one already. 4. Tap on the “+” icon to add a new Litter-Robot.Litter robot 3 was working great until last week. (This model is before the app) it started to stop mid-cycle upside down, about 11:00 position, and will blink yellow (about 1 blink per second). So far we have: replaced pinch sensors, sanded down bonnet sensors, soaked entire globe to ensure no trapped litter in clean litter pocket, flexed out ...If your Litter-Robot 3 is displaying a yellow light flashing slowly, this indicates a cycle has been interrupted either by the Cat Sensor or Bonnet removal. Press the Reset button to resume the cycle. If your unit returned home and displays a solid blue light, you've been successful. If your unit is not displaying a solid blue light after ...1.) Leave your unit powered ON with the blue blinking light engaged & Unplug your power supply from the base. 2.) Wait 10 seconds then plug the unit back in. 3.) Allow the unit to complete a start‐up cycle. If the light is solid blue, the code has been successfully cleared.Your litter robot shows you solid yellow light when it gets paused during the cycle. The solution is very simple, just press the cycle button to continue cycling properly. If your robot is showing solid yellow light along with the blue one.

1.) Press/Hold ‘Cycle’ button for 5 seconds. Both blue AND yellow lights are now on. 2.) Press/Hold ‘Cycle’ button for 5 seconds. Yellow light turns off, blue light remains lit. 3.) Activate the cat sensor by pressing on the globe just above the entrance in a forward and down motion. The red light should come on now.To confirm the DFI has failed when there is a flashing blue light, leave the LR as is powered on, pull the waste drawer out and use your phones camera to look at the Left side DFI board, you should see 4 steady flashing lights on your camera screen, (from The areas marked D1, D3, D5, and D7) on the Emitter board. 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: Yellow and Blue Light (8-Hour Sleep Mode) ... Both the yellow and blue lights will be on during the next 8 hours, indicating the unit is in 8-Hour Sleep Mode. When the 8-hour period expires, the unit will run a Clean cycle. Once the Globe has returned to the Home position, only the blue light will be on.Just received a few days ago the Robot Litter III. After turning it on or after a cycle, the blue yellow red lighting sequentially. If the Open Air unit cannot find Dump and/or Home position, the control panel will display 3 lights blinking. If you have recently disassembled your globe please advise.Ensure proper placement. Your Litter-Robot comes fully assembled and ready to use. 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. Locate the unit near a power outlet. A solid yellow light on a robot indicates that the robot has paused during its cycle. The cycle can be resumed by pressing the cycle button. ... Why is my Litter-Robot blue and yellow . The iRobot Roomba 671 is equipped with an 8-hour sleep mode. When the 8-hour period ends, the Roomba will automatically run a clean cycle. Once the globe …The unit is pushed into a corner, against a wall, or furniture. The red blinking light indicates CATS (the cat sensor) is detecting excess weight for more than 2 minutes. To test your changes, power the unit off and then on. Allow the unit to complete the start‐up cycle and return Home with a solid blue light.A solid yellow light on a robot indicates that the robot has paused during its cycle. The cycle can be resumed by pressing the cycle button. ... Why is my Litter-Robot blue and yellow . The iRobot Roomba 671 is equipped with an 8-hour sleep mode. When the 8-hour period ends, the Roomba will automatically run a clean cycle. Once the globe …If Litter-Robot 4 has a blue light bar with a yellow blinking light adjacent to the Connect button, this indicates that the unit is in Onboarding mode and waiting to be connected to the app. You can now proceed with the onboarding process within the Whisker App to finalize connection.If the timing light is solid red, this indicates the Cat Sensor has been activated by a cat entering the Globe. Once the cat exits, the Wait Time countdown to a Clean cycle will begin. ... both the blue and yellow lights will be illuminated. ... If the Litter-Robot is on a slippery surface like tile or a wood floor, it may shift over time and ...Litter Robot III solid yellow light problem. Hi, we are currently experiancing an issue with our litter robot. The cycle light stays on and the litter refuse to turn or do anything else. We already changed the motor and the control board but still the same issue. The unit is out of warranty. Thank you for pointing me what I could check next. 3.

Sep 18, 2023 · Solid Blue Sleep mode enabled, within specified sleep time Solid Purple Robot in WiFi onboarding mode Solid Blue WiFi Flashing Yellow Robot cycling *Yellow …

If your unit's light bar is blue with one flashing yellow light next to the Connect button, this indicates that the unit is in onboarding mode and waiting to be connected to the app. Learn more. Blue with flashing blue WiFiTroubleshooting Wizard Didn't find what you're looking for? Phone and Chat support available Mon-Fri: 9AM-5PM EST or submit a ticket anytime. Chat with us 1-877-250-7729 Submit a ticket Discover troubleshooting tips for your Litter-Robot 4 in solid blue ready mode. Browse our support guide to ensure optimal use.Quick start guide. What do the lights mean? Flashing Blue Waste drawer full Solid Yellow Robot cycling Solid Red Cat detected and wait time countdown initiated No action required or press Reset to cancel timing What’s in the Box Carbon filter Solid Blue Robot ready for use Solid Blue & Yellow Sleep mode enabled, within specified sleep time Blue is a primary color, which means you cannot create it by mixing other colors. Blue does mix with other colors to create new colors, including mixing with yellow to make green and mixing with red to make violet.Blinking Blue Light, Blinking Yellow Light, and Blinking Red Lights. Mostly, the reasons for blinking blue light will be discussed. But sometimes this blue light blink gets combined with the yellow LED or red LED. ... Are your Litter Robot’s solid red flashing lights indicating that your sensor has been engaged by your cat and that it is ...Phone and Chat support available Mon-Fri: 9AM-5PM EST or submit a ticket anytime. Chat with us 1-877-250-7729 Submit a ticket. Discover troubleshooting tips for your Litter-Robot 4 in solid blue ready mode. Browse our support guide to ensure optimal use.Why is the blue and yellow light Litter-Robot . The Roomba 880 takes care of vacuuming for you so you can relax and enjoy your free time. It features an 8-hour sleep mode, during which both the yellow and blue lights will be on together. At the end of the 8-hour period, the Roomba will automatically run a clean cycle.Slow blue light --> fast yellow flashing light. I have a pretty old LR 3 (non-Connect, serial # 028957). I replaced the DFI and pinch detect terminals about 1.5-2 years ago and it's been working pretty well since then. A few days ago, the unit stopped cycling entirely. The blue DFI light started blinking even when the tray was empty, and after ...

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Litter-Robot 4: Light Codes Guide. Litter-Robot 4 control panel features 5 buttons and an LED display for easy operation. Blue flashing. If your unit’s light bar is flashing blue, this indicates that the waste drawer is full. Empty the waste drawer, press the Reset button, then press the Cycle button. Learn more. Blue with flashing yellow WiFi. If your Litter-Robot 3 is displaying a yellow light flashing slowly, this indicates a cycle has been interrupted either by the Cat Sensor or Bonnet removal. Press the Reset button to resume the cycle. If your unit returned home and displays a solid blue light, you've been successful. If your unit is not displaying a solid blue light after ...Red, then Yellow, then Blue (Flashing sequentially, one light at a time): This means the unit cannot find the Home position. It will continue to function in automatic mode but needs repair. Blue and Yellow and Red (All 3 lights flashing simultaneously): This means the unit cannot find the Dump or Home position. The unit will not cycle ... Blue Robot at home position Cycle completed successfully Normal operation, ... 3 Solid / 2 Flashing Leds 1-3 Solid Leds 4-5 Flash Solid Flashing Round Robin (Left to Right) Round Robin ... Blue / Yellow Supervised clean cycle mode enabled User initiated manual override mode Normal operationJan 30, 2023 · A cat’s eye color depends on the amount of melanocytes in the eye, or melanin-producing cells. These determine the type and intensity of pigmentation that is in the front and rear of the iris. High levels of melanocytes in cat eyes may result in orange or gold eyes. Low levels of melanocytes typically result in green or yellow eyes. If your Litter-Robot 3 is displaying a yellow light flashing slowly, this indicates a cycle has been interrupted either by the Cat Sensor or Bonnet removal. Press the Reset button to resume the cycle. If your unit returned home and displays a solid blue light, you've been successful. If your unit is not displaying a solid blue light after ...Litter-Robot 3: Yellow and Blue Light (8-Hour Sleep Mode) This mode allows you to deactivate the Cat Sensor for 8 hours so the unit will not cycle automatically. Sleep Mode is useful for units located in bedrooms or areas where you may not want the unit to cycle for a period of 8 hours. The 8-hour period is repeated every 24 hours; the start is ...The Litter Robot 3 control panel provides the main user input /(buttons) and output (LEDs) for the robot. Aside from the main power light, there are three lights on the Litter Robot 3 control panel, which are blue (ready button), yellow (cycling button) and red (timing button).Status Indicator Lights. Solid Blue: Feeder is in Automatic Feeding Mode. Solid Yellow: Hopper is low indicating less than 20% food remaining. Solid Red: Hopper is critically low indicating less than 5% food remaining. Flashing Red: Dispenser is jammed. Solid Purple: Food Bowl and Food Chute are full for 12+ hours (food has not been consumed)If you dislike scooping litter, the Litter-Robot may be simply the best tool for you. The Litter-Robot is anything but economical, and if you are going to invest hundreds of dollars on a premium product, it needs to function well. So we decided to test the Litter-Robot 3 Connect for ourselves to see if it was actually as life-altering as it ... ….

For beach-goers, experts always recommend a healthy coating of sunscreen to protect the skin from those pesky ultraviolet (UV) rays. But sunlight contains more than just UV light. In fact, it’s made up of red, green, yellow, blue and orange...To reset the Cat Sensor, press Reset when the unit is at the Home position and the control panel displays a solid blue light. Press the Reset button firmly and quickly, then watch for the blue light to flash to confirm you have successfully reset the Cat Sensor. On some units, the blue light will flash quickly (press Reset again if you think ...If the unit continues blinking blue, remove the waste drawer and press cycle. Press reset 2x to abort the cycle and return the unit to home (it will level the litter). If the unit goes to solid blue with the waste drawer removed, ensure there is nothing in the drawer blocking the lenses. If the drawer is clear, your base needs to be repaired.Step into the Kingdom of Morocco, a country packed with lively cities, vibrant colours, and jaw-dropping natural landscapes. Morocco is incredibly diverse, with something to offer every traveller - outdoor adventurers can navigate majestic mountain trails and sprawling sand dunes, while food lovers can indulge in culinary fusions and traditional dishes.When your Litter-Robot 4 has successfully completed onboarding, the blinking yellow light will turn solid blue. If you need to re-enter Onboarding mode, simply press and hold the …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. Learn more.Blue and Yellow and Red (All 3 lights flashing simultaneously): This means the unit cannot find the Dump or Home position. The unit will not cycle automatically and needs repair. Remove the Internal Shield. If your Litter-Robot was built before February of 2018, you may have an Internal Shield.Unplug your Litter-Robot for 10 seconds and then plug it back in. This performs a hard reset. When your unit is powered back on, it will perform a Clean cycle. Once the Clean cycle is complete, the unit should go back to blue ready status. If your unit returned Home and displays a solid blue light, you've been successful. If your unit displays a yellow light bar, this indicates that the unit has been "paused". Pressing the Cycle or Reset button should get it to resume cycling. If it does not, please … Litter robot solid blue and yellow, If your unit's light bar is blue with one flashing yellow light next to the Connect button, this indicates that the unit is in onboarding mode and waiting to be connected to the app. Learn more. Blue with flashing blue WiFi, 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 ..., After utilizing the proper technical fixes and trouble shooting to no avail....my frustration took hold, I lifted the offending Litter Robot 4 up by the step about 3 to 4 inches then let it drop with a satisfying thump. It immediately proceeded to finish cycling, no more solid yellow light, and has been behaving like a good robot citizen ever ..., Jul 22, 2020 · If both the blue and yellow lights are illuminated on your Litter-Robot 3, it means that the unit is in 8-hour sleep mode. (The unit will not cycle automatically during those 8 hours.) If you’d like to deactivate sleep mode, press and hold the Cycle button for 5 seconds. , How long until police forces get their hands on weapons like these? Why risk the lives of soldiers when you can just strap an assault rifle onto a drone and send it into battle? That appears to be the thinking behind the TIKAD drone, from F..., Jun 2, 2017 · Just received a few days ago the Robot Litter III. After turning it on or after a cycle, the blue yellow red lighting sequentially. If the Open Air unit cannot find Dump and/or Home position, the control panel will display 3 lights blinking. If you have recently disassembled your globe please advise. , Jul 22, 2020 · Litter-Robot 3—the highest-rated automatic, self-cleaning litter box—is a machine for wonders that allows male parents to never have to shovel cat throwing again. . Though like every appliance, there may be times at Litter-Robot shoot is req , Quick start guide. What do the lights mean? Flashing Blue Waste drawer full Solid Yellow Robot cycling Solid Red Cat detected and wait time countdown initiated No action required or press Reset to cancel timing What's in the Box Carbon filter Solid Blue Robot ready for use Solid Blue & Yellow Sleep mode enabled, within specified sleep time, 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. , Solid blue, WiFi flashing yellow. Robot in WiFi onboarding mode. Solid yellow. Robot paused during cycle. Round robin yellow* Robot cycling. *Yellow light moving with the rotation of the globe. Solid red. Cat detected and wait time countdown initiated. Solid purple. Sleep mode enabled, within specified sleep time. See more light codes ..., Sleep mode is indicated by a solid blue and solid yellow light. If sleep mode is accidentally turned on, it will go into sleep mode at the same time every day until it’s physically turned off. ... We currently sell Litter-Robot 3 and Litter-Robot 3 Connect in the UK, and we sell Litter-Robot 3 Connect in the EU., If your unit's light bar is blue with one flashing yellow light next to the Connect button, this indicates that the unit is in onboarding mode and waiting to be connected to the app. Learn more. Blue with flashing blue WiFi, The blue light on your Litter-Robot is an indicator that it is time to empty the waste drawer. The Litter-Robot uses sensors to determine when the drawer is full, and the blue light will begin flashing when it is approximately 2/3 full. The blue light on the Litter-Robot is an indicator that the cycle is complete and that it is safe to remove ..., If you dislike scooping litter, the Litter-Robot may be simply the best tool for you. The Litter-Robot is anything but economical, and if you are going to invest hundreds of dollars on a premium product, it needs to function well. So we decided to test the Litter-Robot 3 Connect for ourselves to see if it was actually as life-altering as it ... , If your Litter-Robot 3 troubleshooting is more complex than the scenarios described above, you’ll highly display lights glittering sequentially: Flash yellow to red means the motor has detected on obstruction or jam. Turn the unit off and removed who bonnet and globe. Check for gear or engine obstruction., Hello i got a Solid Yellow light and i cant reset the litter robot anymore. I had first a blue blinking. i cleaned all and check all wires. Than i got a fast yellow flashing when the bonet turn to clean it up. He wont turn back but overturn and stuck with yellow flashing. after some trys to reset and check all it stuck now permanent on solid ..., Your litter robot shows you solid yellow light when it gets paused during the cycle. The solution is very simple, just press the cycle button to continue cycling properly. If your robot is showing solid yellow light along with the blue one., Litter-Robot 3: Checking the Pinch Detect. Watch on. 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 ..., Step into the Kingdom of Morocco, a country packed with lively cities, vibrant colours, and jaw-dropping natural landscapes. Morocco is incredibly diverse, with something to offer every traveller - outdoor adventurers can navigate majestic mountain trails and sprawling sand dunes, while food lovers can indulge in culinary fusions and traditional dishes., If you’ve ever before done some study on self-cleaning litter boxes, opportunities are you’ve found the Litter-Robot 3 Connect, a smart automated litter box that looks extra like a spaceship than a kitty bathroom. If you dislike scooping clutter, the Litter-Robot might be simply the best gadget for you. , Just received a few days ago the Robot Litter III. After turning it on or after a cycle, the blue yellow red lighting sequentially. If the Open Air unit cannot find Dump and/or Home position, the control panel will display 3 lights blinking. If you have recently disassembled your globe please advise., If the litter is below the line or you're using a lightweight or plant-based litter, this will decrease the sensitivity of the unit. (4.) Check to make sure the unit is not in sleep mode. Sleep mode in Litter-Robot 3 is indicated by a solid blue and solid yellow light. Sleep mode in Litter-Robot 4 is indicated by a solid purple light., Litter-Robot 3: Yellow and Blue Light (8-Hour Sleep Mode) ... Both the yellow and blue lights will be on during the next 8 hours, indicating the unit is in 8-Hour Sleep Mode. When the 8-hour period expires, the unit will run a Clean cycle. Once the Globe has returned to the Home position, only the blue light will be on., Blue and Yellow and Red (All 3 lights flashing simultaneously): This means the unit cannot find the Dump or Home position. The unit will not cycle automatically and needs repair. Remove the Internal Shield. If your Litter-Robot was built before February of 2018, you may have an Internal Shield., The Litter-Robot is anything however inexpensive, and also if you are mosting likely to invest hundreds of bucks on a high-end item, it should function well. So we chose to check the Litter-Robot 3 Connect for ourselves to see if it was actually as life-altering as it appeared. , Jul 22, 2020 · A slower flashing yellow light may and mean that the bonnet is removed oder disconnected. Check that the motor register at the side and rear are secured until the base. The unit will resume cycling 5 seconds after the bonnet is replaced. Last but not least, check for plethora dry, such as too much litter press waste. , Litter Robot III solid yellow light problem. Hi, we are currently experiancing an issue with our litter robot. The cycle light stays on and the litter refuse to turn or do anything else. We already changed the motor and the control board but still the same issue. The unit is out of warranty. Thank you for pointing me what I could check next. 3., Just received a few days ago the Robot Litter III. After turning it on or after a cycle, the blue yellow red lighting sequentially. If the Open Air unit cannot find Dump and/or Home position, the control panel will display 3 lights blinking. If you have recently disassembled your globe please advise., Power button lit up: the Litter Robot is running on battery backup: The Litter Robot may be unplugged, or, the power might be out: Blue and yellow lights on solid: The Litter Robot is in sleep mode (lasts about 8 hours) If you don't want it to be in sleep mode, hold down the Cycle button for about 5 seconds , 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. Learn more., The Korat cat is one of the oldest and naturally purest breeds found today. They have blue-grey fur tipped in silver, which gives them a phosphorous-like glow. Their eyes start out blue, gradually changing to amber and finally bright green. They are small to medium in size, but also muscular. The Korat is a social, attention-seeking cat., Solid Blue: Feeder is in Automatic Feeding Mode; Solid Yellow: Hopper is low indicating less than 20% food remaining; Solid Red: Hopper is critically low indicating less than 5% food remaining; Flashing Red: Dispenser is jammed ; Solid Purple: Food Bowl and Food Chute are full for 12+ hours (food has not been consumed), If the litter is below the line or you're using a lightweight or plant-based litter, this will decrease the sensitivity of the unit. (4.) Check to make sure the unit is not in sleep mode. Sleep mode in Litter-Robot 3 is indicated by a solid blue and solid yellow light. Sleep mode in Litter-Robot 4 is indicated by a solid purple light.