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Litter-robot 3 dfi sensor of Technology

Just setup the LR4 - added litter and plugg.

If the motor wires are fine and connected properly, try to unplug the DFI sensor from the control board. If the yellow light disappeared and the blue light started to blink slowly, we would need to replace the DFI sensor. Let us know how it goes. 1 Like. Kits June 7, 2021, 3:50am 5. Hi Ebram, The motor wires are find.Cat Evolution has you covered with Litter Robot 3 replacement components and parts online. ... Litter-Robot™ III DFI Kit including pinch detectors. Buy Now; ... Litter-Robot™ III Cat Sensor. $42.00 AUD $42.00 AUD. Sale price $42.00 AUD Regular price. Unit price / per .The Litter-Robot 3 is the highest-rated, self-cleaning litter box for cats and it’s currently at $449. The Litter-Robot 3 Connect is very similar to the Litter-Robot 3, except it comes with one important upgrade: it’s Wi-Fi enabled, which means you may monitor and control one or more Litter-Robot units remotely.Litter Robot owner here -- Have had two litter robots and I think a recent batch of circuits is faulty. First one had no trouble with DFI for years; second one I bought refurbished and DFI went in 2 months. I replaced the DFI on first one, that lasted only 2 months. If Whisker does not get on top of this, they will lose their audience.If Customer Service directed you to check the Pinch Detect Terminals on your Litter-Robot 3, this video will show you how.Yes. I took it apart and accidently swapped some wires going into the control panel. That or you have a broken DFI sensor. Costs about $80 and is easy to replace. After three cycles with a stuck on DFI sensor the LR3 will stop auto cycling. Edit: breaking one of the two wires for the DFI sensor will also cause the same result. Cleaning the pinch sensors Checking the spring sensor Powering off and on (via plug as power button not responsive) Checking for control panel lockout Checked back clips are in Checked globe is locked at the back. Robot has litter up to the fill line and no more Tray has a bag in No obstructions to waste port. Globe has space to spin.Litter-Robot 3 Open Air DFI Hardware (v2) Litter-Robot 3 Open Air DFI Hardware (v2) Replacement DFI Hardware for your Litter-Robot 3 Compatible with Litter-Robot 3 only The Litter-Robot 3 Open Air DFI Hardware (v2) is a replacement DFI Hardware for your Litter-Robot 3. It is compatible with... Price: EUR 34,572. Remove the bonnet on newer models. Newer models have a bonnet that wraps around the globe. Press the release buttons on both sides of the bonnet then lift and rotate. Remove it from the globe and set to the side. [2] 3. Brush out excess litter. If any litter remains in the robot, brush it away.The Litter-Robot 3 is equipped with Cat Sensor that detects when a cat enters and exits the Globe. 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. You can cancel the timer by pressing the Reset button.Litter-Robot 3: Differences Between DFI Sensors. 9936 | 2 | 7. This blog post describes differences between DFI sensors in Litter Robot 3 Open Air and Litter Robot 3 Connect. Posted on 20/05/2020 by igor_X in ...igor_X January 30, 2021, 7:27am 17. Hi @hd! Usually, if the LR3 won’t power up, the issue can be power supply adapter, circuit board or DFI sensor. If you still have LR2, you can test power supply adapter. If that is working, we recommend replacing circuit board and DFI sensor, and then your LR3 will probably work.Reboot your router. Completely close the Litter-Robot app. While the unit is at the Home position with the solid blue light, unplug your unit from the BASE, not the wall. Wait 15 seconds, plug it back in, and allow it to cycle until the solid blue light comes on (“Ready” status). Open the app and follow the steps.Troubleshooting steps already taken: unplugging it and plugging it in again. cleaning the unit. slightly opening the pin in the power jack. making sure that it is plugged directly into the wall using its original power adaptor. making sure that the unit is on level ground and not touching anything else.FezFernando • 2 yr. ago. According to the quick start card, the rapidly flashing yellow light is an indication of a “Pinch Condition”. “Turn unit off. Check Waste Port in Base and remove any obstruction. Turn unit on. Press the “reset” button to cancel indicator light and return Globe to Home position”. shuuukt • 2 yr. ago.Jul 2, 2023 · The order number is 1176529. Thank you for your reply. According to your order number, the robot is no longer under warranty. If the cleaning of the DFI sensor didn’t fix the issue, we recommend replacing it so you can order a new one from this link: We also recommend replacing the 3 sets of pins so you can order new ones from these links: 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). Litter Robot 3 infrared Drawer Full Indicator circuit boards and assembly Kit for a blue flashing light issue. Kit includes DFI board assembly, DFI housing, mounting screws, …Get best self cleaning automatic cat litter box and never scoop again! Even if you are a cat lover, changing out the litter box and scooping poop is never going to be pleasant. Eco friendly Litter robot automatically splits waste, flushes waste away and washes itself clean. Great for multiples cat and kitten.The Litter-Robot 3 is equipped with infrared emitters and sensors, called DFI sensors, located above the Waste Drawer that check if the drawer is full each time the Globe returns to the Home position. In the event you need to replace your DFI sensors, please follow these instructions. Kit includes: Drawer Full Indicator board assembly (2) retainersThat is a new version of DFI sensor and it fits all Litter Robot 3 versions. It can be installed the same way as the old sensors. It should last much longer since the sensor is smaller and completely protected by protective coating. Feel free to ask anything else.Jun 12, 2021 · 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. We are very happy with Litter Robot 4 and Cat Evolution's customer service is EXCEPTIONAL. Thank you! Cynthia Harragon . 10/07/2023 . Litter-Robot™ 4 . Ah-mazing!!The Litter-Robot 3 is equipped with Cat Sensor that detects when a cat enters and exits the Globe. If the timing light is solid red, this indicates the Cat Sensor has been activated …Press this area 10 times to open and close the pinch sensors. Look inside the base through the waste drawer opening. Locate the metal terminals on the left side of the waste port, just above the DFI sensor. Make sure they are touching and the metal is shiny. If they are dusty, wipe them off with a dry cloth. The fact is, this is a $549 USD / $729 CAD litter box. It shouldn't ever have electrical malfunctions from litter dust when it's a litter box at this price point. Luckily, it looks as if they have taken the design back to the drawing board and properly protected the electrical components. Sep 9, 2022 · Our litter robot was Flashing Yellow Slow & Fast, then Fast Flashing Blue despite being empty and lastly just Random Lights. Watch for the solution to this, ... 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 ... I cleaned the contacts and still had pinch fault. The pinch wiring feeds to the dfi board so I replaced the dfi board and pinch alarm went away. I also had the red,yellow light. It turned out that I partially pulled out the dfi plug on main board when putting it back together. The plugs have to be seated till they lock in place.Dimension: Beyond large. An typical litter box is fairly portable– directly, our old one was 15 inches by 19 inches with 8-inch walls. The Litter-Robot 3, on the other hand, is absolutely massive. This futuristic-looking gadget is almost 2.5 feet– and also it determines simply over 2 feet vast and also a little over 2 feet deep.2. Remove the bonnet on newer models. Newer models have a bonnet that wraps around the globe. Press the release buttons on both sides of the bonnet then lift and rotate. Remove it from the globe and set to the side. [2] 3. Brush out excess litter. If any litter remains in the robot, brush it away.Hello, I have a problem with Litter Robot 3. It has blue flashing light at the beginning. I have tried everything (cleaning, reset, check dfi sensor and empty drawer) and when I plug back in it stuck at solid yellow light now (yellow light only). None of buttons is worked even the power button. Any help would be appreciatedFinally, even though a Litter-Robot is a completely automated machine, it does require some maintenance from time to time. Sensor detections are the most common cause of device failure. Vulnerable activities, such as a large volume of litter or waste, or dirt on the DFI sensor or lenses, can cause your Litter Robot to blink.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. Litter Robot 3 Dfi Sensor Litter Robot 3 Dfi SensorThe Litter-Robot 3 is an excellent device for all cat owners who want to forever say goodbye to scooping ...Litter-Robot 3: Differences Between DFI Sensors. 9896 | 2 | 7. This blog post describes differences between DFI sensors in Litter Robot 3 Open Air and Litter Robot 3 Connect. Posted on 20/05/2020 by igor_X in ...Jul 2, 2023 · The order number is 1176529. Thank you for your reply. According to your order number, the robot is no longer under warranty. If the cleaning of the DFI sensor didn’t fix the issue, we recommend replacing it so you can order a new one from this link: We also recommend replacing the 3 sets of pins so you can order new ones from these links: Apr 14, 2023 · For $649, the Litter-Robot 4 appears to offer the most advanced automatic litter box technology on the market, and the sensor upgrades, more open entrance, and superior odor control seem to make it a worthwhile upgrade from the Litter-Robot 3. The Litter-Robot 3 is an excellent device for all cat owners who want to forever say goodbye to scooping litter. This device is designed to let you live in an odorless home, despite having cats while using less litter than you would typically use. Its beauty is that it takes care of the entire litter scooping process by following precise pre …Feb 8, 2020 · We understand how confusing this could be, but actually the connect version of the Litter-Robot uses a new model of the DFI sensor that only has one not two lenses as the older model. However, the constant blue LED blinking indicates an issue with the DFI sensor so we recommend you to go through this troubleshooting here: 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. To reset DFI sensor fault on a Connect Litter Robot please hold Reset button until the blue light blinks quickly. After that, it should come to solid blue light. This should really fix the issue of the DFI. 1 Like. Rutoy21 July 13, 2020, 4:53am 22. @pjutras yes it resets it back to solid but every time now after my unit cycles it continues to ...I've had my litter robot 3 for less than a year. Last month I started getting pinch sensor faults. After disassembling and cleaning it would work for…A Comprehensive Guide to Cleaning a Litter Robot Sensor A Comprehensive Guide to Cleaning a Litter Robot Sensor. Cleaning the Litter Robot sensor can seem intimidating, but it doesn’t have to be. Below is a comprehensive guide to cleaning the sensor: Remove the Sensor from the Unit. The first step in cleaning the …And I see you still have the DFI v1, they made a new Version where the Contacts are covered with Plastic. ... To add, the sensor is two $.01 pieces of plated metal that get litter basically dumped on them with every cycle. So they corrode / get dirty and give tons of false pinch alerts. Sometimes the pinch alert requires a full unplug to reset.This video will show you what the DFI sensors are. What do they do, where are they, how they work and how to clean them. Also a quick tip on fixing a common ...The Litter-Robot 3 Open Air DFI Hardware (v2) is a replacement DFI Hardware for your Litter-Robot 3. It is compatible with Litter-Robot 3 only. What's Included. 1x Litter-Robot 3 Open Air DFI Hardware (v2) Specifications. Compatible with Litter-Robot 3 only. Based on. My litter robot 3 had been flashing blue light and then yellow light (very fast) after pressing the reset button. I’ve read some troubleshooting to check for the metal pinch bars to be in contact all the time. I’ve tried to clean it and it appears to be in contact as well. ... In this case, the DFI sensor needs to be replaced.Hello, I have a problem with Litter Robot 3. It has blue flashing light at the beginning. I have tried everything (cleaning, reset, check dfi sensor and empty drawer) and when I plug back in it stuck at solid yellow light now (yellow light only). None of buttons is worked even the power button. Any help would be appreciatedLitter 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 ...To reset DFI sensor fault on a Connect Litter Robot please hold Reset button until the blue light blinks quickly. After that, it should come to solid blue light. This should really fix the issue of the DFI. 1 Like. Rutoy21 July 13, 2020, 4:53am 22. @pjutras yes it resets it back to solid but every time now after my unit cycles it continues to ... Usually, if the LR3 won’t power up, the issue can Bundles Cat Extras Sort Waste Drawer Liners $25 Litter-RPress this area 10 times to open and close th

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I recently purchased a litter robot 3 connected and the lit.

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).I cleaned the contacts and still had pinch fault. The pinch wiring feeds to the dfi board so I replaced the dfi board and pinch alarm went away. I also had the red,yellow light. It turned out that I partially pulled out the dfi plug on main board when putting it back together. The plugs have to be seated till they lock in place.This blog post describes differences between DFI sensors in Litter Robot 3 Open Air and Litter Robot 3 Connect. ... Litter Robot 3 Ultimate Troubleshooting Guide ...SOLUTION: I ended up having to replace the DFI kit and main circuit board (luckily it was still under warranty).Since then I've also had to bypass the pinch ...2. Remove the bonnet on newer models. Newer models have a bonnet that wraps around the globe. Press the release buttons on both sides of the bonnet then lift and rotate. Remove it from the globe and set to the side. [2] 3. Brush out excess litter. If any litter remains in the robot, brush it away.The first quick check is to make sure the waste drawer liner is fully inserted in the drawer and press the Reset button. If the liner is up too high, it can block the DFI, making the unit think the drawer is full. If the full notification persists after checking the liner, the DFI lenses might be dirty.Even if their role is the same, there are some differences between the DFI sensors of these two Litter-Robot models. DFI sensor in Litter-Robot 3 and Litter-Robot 3 Connect: This DFI sensor (Product code in RobotShop catalog: Rb-Ltr-72) has two circuit boards. It is based on an IR light. One circuit board is EMITTER and the other one is DETECTOR.A Comprehensive Guide to Cleaning a Litter Robot Sensor A Comprehensive Guide to Cleaning a Litter Robot Sensor. Cleaning the Litter Robot sensor can seem intimidating, but it doesn’t have to be. Below is a comprehensive guide to cleaning the sensor: Remove the Sensor from the Unit. The first step in cleaning the sensor is to remove it from ...To add, the sensor is two $.01 pieces of plated metal that get litter basically dumped on them with every cycle. So they corrode / get dirty and give tons of false pinch alerts. Sometimes the pinch alert requires a full unplug to reset.Plus litter robot sent me a new dfi that had no plug on the end of it so they sent me a new one. Cut the cable off a broken one and soldered it to that one for a spare dfi. ... I've had to replace the DFI sensor 3 times in 2 years on one of mine - so it's gone through 4 sensors and it's only (now just over) 2 years old - November 2019. The ...Jan 31, 2021 · This video will show you what the DFI sensors are. What do they do, where are they, how they work and how to clean them. Also a quick tip on fixing a common ... Here's the thing: on the litter robot e-commerce shop, the only DFI kit available seems to be the Infrared Version. However, support articles have seem to suggest that the Laser Version is more reliable than the infrared version (less parts to manfunction). So I want the Laser Version. Press this area 10 times to open and close the pinch sensors. Look inside the base through the waste drawer opening. Locate the metal terminals on the left side of the waste port, just above the DFI sensor. Make sure they are touching and the metal is shiny. If they are dusty, wipe them off with a dry cloth.Keep your Litter-Robot in top shape for years to come with Litter-Robot replacement parts. We have everything you need to make sure you never have to scoop litter again! We’ll help you diagnose the issue, recommend a fix, and keep your Litter-Robot working like new well after the 18-month full warranty or extended warranty expires.The DFI sensor that you have received is the new version and it looks different but it has the exact plastic brackets so you can easily install them the same way as the older sensor: Let us know if you need further assistance. Sincerely, ... Litter-Robot 3 Open Air DFI Hardware (v2) Replacement DFI Hardware for your Litter-Robot 3 Compatible ...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). We are very happy with Litter Robot 4 and Cat Evolution's customer service is EXCEPTIONAL. Thank you! Cynthia Harragon . 10/07/2023 . Litter-Robot™ 4 . Ah-mazing!!May 23, 2021 · How to install a replacement DFI Sensor Kit and Pinch Detector Terminals in the Litter-Robot III Open Air. The Litter-Robot 3 is equipped with infrared emitters and sensors, called DFI sensors, located above the Waste Drawer that check if the drawer is full each ...We understand how confusing this could be, but actually the connect version of the Litter-Robot uses a new model of the DFI sensor that only has one not two lenses as the older model. However, the constant blue LED blinking indicates an issue with the DFI sensor so we recommend you to go through this troubleshooting here:Cat Evolution has you covered with Litter Robot 3 replacement components and parts online. ... Litter-Robot™ III DFI Kit including pinch detectors. Buy Now; ... Litter-Robot™ III Cat Sensor. $42.00 AUD $42.00 AUD. Sale price $42.00 AUD Regular price. Unit price / per .Hello, I have a problem with Litter Robot 3. It has blue flashing light at the beginning. I have tried everything (cleaning, reset, check dfi sensor and empty drawer) and when I plug back in it stuck at solid yellow light now (yellow light only). None of buttons is worked even the power button. Any help would be appreciatedLitter-Robot Cats Litter Box III 3 Open Air DFI Hardware. by Litter-Robot. Write a review. How customer reviews and ratings work See All Buying Options. 0 total ratings, 0 with reviews ...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). Rate: Prohibitive. The Litter-Robot 3 Connect costs a tremendous $499, which is way above the average for self-cleaning litter boxes. If you don’t care regarding the Wi-Fi capabilities, you can get a non-connected device for $449, however that’s still no bargain. Litter-Robot 3 is made with standard plastics and the liner is made out of PVC. We recommend cleaning the unit as needed. ... Debris may cause the DFI to indicate a full drawer regardless of the waste in the drawer. ... This will ensure that the automated Cat Sensor is ready for your cat's next visit. Purchase Whisker Cleaner Wipes.The order number is 1176529. Thank you for your rReplacement DFI Hardware for your Litter-Robot 3. Com

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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 can still switch the Litter Robot on and off via the app but I can't do anything else. I changed the old DFI sensor in April 2020 to the newer version because the old IR one stopped working. The new sensor came as part of the Connect upgrade kit which I purchased. The LR has been working flawlessly for the past 8 months or so.Reboot your router. Completely close the Litter-Robot app. While the unit is at the Home position with the solid blue light, unplug your unit from the BASE, not the wall. Wait 15 seconds, plug it back in, and allow it to cycle until the solid blue light comes on (“Ready” status). Open the app and follow the steps.If it is not, then you will need to buy replacement lenses here: Litter-Robot 3 Open Air DFI Hardware - RobotShop. Allactaga April 29, 2019, 9:12pm 3. If it was a ... Else, you will probably have to replace the DFI sensors. Let me know if this helped. 1 Like. Allactaga May 7, 2019, 10:17pm 7. Thank ...Explore our step-by-step guide to install a Litter-Robot 3 wiring harness. Follow our easy instructions for seamless assembly. Start now! ... 4-pin (DFI Drawer Full Indicator), 6-pin (Motor and Power), and 8-pin (Hall Effect Sensor). Set the Circuit Board aside. ... 3. Plug in the CATS Sensor. Using the black Lshaped connector at the end of the ...To add, the sensor is two $.01 pieces of plated metal that get litter basically dumped on them with every cycle. So they corrode / get dirty and give tons of false pinch alerts. Sometimes the pinch alert requires a full unplug to reset.3. Place treats on the step or around the Litter-Robot so your cat associates rewards with the unit. 4. Since cats are curious and love to go into boxes, try putting the original packaging over the Litter-Robot with a hole cut out for the entryway and drawer. 5. Once you notice that your cats have used the Litter-Robot, pow-So one day, out of the blue, the same issue happened with our Open Air III, all 3 lights blinking and nothing works. What happens is that after restart the yellow light stays on for like a couple of minutes, and then all 3 lights start flashing simultaneously. Over the course of next one month we changed: Bonet; Globe; DFI kit; Anti-pinch pins ...When I turn on the Litter Robot 3 (non-connect), blue light is flashing, then I press Reset and fast yellow light is flashing. When I press Reset again, blue light is flashing and so on.. What I checked so far: - Anti Pinch Pins looks good and are touching each other. - DFI is clean and 4 IR LEDs are blinking once a second.Litter-Robot Cats Litter Box III 3 Open Air DFI Hardware. by Litter-Robot. Write a review. How customer reviews and ratings work See All Buying Options. 0 total ratings, 0 with reviews ...Bypass Dfi Sensor Litter Robot. litter robot >>CLICK HERE TO GET THE BEST SELF-CLEANING LITTER BOX FOR CATS. ... The Litter-Robot 3 Connect prices a whopping $499, which is means over the average for self-cleaning litter boxes. If you uncommitted concerning the Wi-Fi capabilities, you can get a non-connected unit for $449, but that’s …3. Place treats on the step or around the Litter-Robot so your cat associates rewards with the unit. 4. Since cats are curious and love to go into boxes, try putting the original packaging over the Litter-Robot with a hole cut out for the entryway and drawer. 5. Once you notice that your cats have used the Litter-Robot, pow-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. ... DFI sensor issue. DFI sensor needs replacing; Replacement Guide (H) YELLOW SOLID: Cycling (In use) Working normally; Without rotation DFI …Even if their role is the same, there are some differences between the DFI sensors of these two Litter-Robot models. DFI sensor in Litter-Robot 3 and Litter-Robot 3 Connect: This DFI sensor (Product code in RobotShop catalog: Rb-Ltr-72) has two circuit boards. It is based on an IR light. One circuit board is EMITTER and the other one is DETECTOR.During each Clean cycle, the DFI Sensor will measure the level of waste within the Waste Drawer as the Waste Port passes over the Waste Drawer. Once a full Waste Drawer is detected, the unit will indicate it is full with a blue light bar flashing. You will also receive a notification on your phone if you use the Whisker App.Vacuum the inside perimeter of the Bezel with a brush attachment, passing over the holes at the top of the Bezel where the curtain sensors are located. Now, let's run a test cycle. 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 ...We purchased the DFI replacement from the robot shop, took apart and cleaned the litter robot. Replaced the DFI as per the instructions included in the shipment. When all components were replaced and the litter robot 3 turned on, it again showed a flashing blue light.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.Litter Robot owner here -- Have had two litter robots and I think a recent batch of circuits is faulty. First one had no trouble with DFI for years; second one I bought refurbished and DFI went in 2 months. I replaced the DFI on first one, that lasted only 2 months. If Whisker does not get on top of this, they will lose their audience.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 ... Litter-Robot 3 is made with standard plastics and the liner is made out of PVC. We recommend cleaning the unit as needed. Simply wiping it down with a damp paper towel will keep your unit looking new and clean. Whisker Cleaner Spray or Wipes are recommended. Mild detergents and common household cleaners are safe to use. Litter-Robot 4 is equipped with OmniSense™ detection that