The issue that you are having would require replacing the DFI sensor and the 3 sets of pins so you can order the following parts from the following links: RobotShop Europe 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 ...During each Clean cycle, the DFI sensors 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 …Hardware concerned: Litter Robot III Connect. Software concerned: N/A. 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.In this video we'll be taking a look at 5 different errors the Litter-Robot 4 may run into and how to fix them. This include LED status identification of the...If you need to replace the pinch detect terminals on your Litter-Robot and the unit is out of warranty, the process is simple and quick. For those who are th...Discover how to troubleshoot your Litter-Robot 4's Drawer Full Indicator (DFI) sensors on our support page. Click for step-by-step guidance now. The store will not work correctly in 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.We have checked your order again and it seems that you have purchased the normal Litter-Robot…not the connect version. That’s why you are unable to connect it to your phone. If you wish to upgrade it to the connect version you can order the upgrade kit + new DFI sensor. Let us know if you have any further questions. Have a lovely day, stay ...Litter Robot 3 - DFI sensor again and now additional power button issue; Litter robot 3 - blue light flashing followed by rapid flashing yellow light; Litter robot 3.Blue light flashing constantly.Robot stopped cycling; Litter-Robot 3 doesn't work (blue blinking light) Litter robot 3 connect has slow blue blinking light or fast yellow blinking ...Note: This problem is EXACTLY the same as this other post I found, which is why I’ve essentially just copied the description from there: Litter Robot Cannot Find Dump Position. Hardware concerned: Litter Robot III Connect. Software concerned: N/A. Troubleshooting steps already taken: unplugging it and plugging it in again; cleaning the …The updated DFI Kit is pictured on the bo om. 8-inch #2 Phillips screwdriver (20.3 cm) Preparation: 1 Press the Power bu on to turn the unit o and unplug it from the wall. …After some research I decided it was probably a bad DFI or contact (they were gross). So, now that I've installed a brand new DFI sensor & contact pins, I'm still seeing yellow blinking at a 1 sec interval cadence. I've checked to make sure that the bonnet and connectors are attached. Already spent hours trying to get this thing to work.Cleaning your Litter-Robot. It's important to deep clean your Litter-Robot every 3-6 months. Over time, small clumps can accumulate within the internal pocket of the globe, which can contribute to weight-related errors. Cleaning or soaking the globe thoroughly every 3-6 months will help prevent any excess weight from accumulating within the globe.The issue that you are having would require replacing the DFI sensor and the 3 sets of pins so you can order the following parts from the following links: RobotShop Europe 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 ...Have questions about your Litter-Robot 3? Get quick solutions from our dedicated support page. ... Litter-Robot 3: DFI Kit Installation Guide ... Litter-Robot 3: Yellow flashing slowly (Cat sensor) Litter-Robot 3: Yellow flashing slowly (Cycle interrupted)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: ... Litter-Robot 3 DFI Kit + Pinch Detect Terminals Installation: Litter-Robot 3 DFI Kit + Pinch Detect Terminals Installation - …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 ...Litter-Robot 3 is equipped with infrared emitters and sensors located above the waste drawer that check if the drawer is full each time the globe returns to the Home position. …I have successfully bypassed the DFI sensor permanently with a under kitchen led tape light section. It has been running for over 1 month 100%. Very easy to do and cost effective that you can do yourself. ... Switched from the Litter Robot bags and am getting 3 more days between emptying.After some research I decided it was probably a bad DFI or contact (they were gross). So, now that I've installed a brand new DFI sensor & contact pins, I'm still seeing yellow blinking at a 1 sec interval cadence. I've checked to make sure that the bonnet and connectors are attached. Already spent hours trying to get this thing to work.The pinch sensors are a constant source of annoyance: they corrode and stray litter also makes them malfunction. The DFI sensors (drawer-full optical sensors) are unreliable and need to be replaced for $80 from time to time. My latest set of DFI sensors is a little different so it looks like they've redesigned these, so hopefully these won't ...Description 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 Litter-Robot 3 only.View more What's Included 1x Litter-RoIf your Litter-Robot 3 is displaying a yellow light flashing quickly, this indicates a cycle has been interrupted by the Anti-Pinch safety feature and you will need to inspect the pinch sensor. Inspect the sensors. The purpose of the pinch sensor is to detect if an object is blocking the waste port during the globe rotation.Upgrade your Litter-Robot 3 to Connect to get all the perks of the app with this do-it-yourself installation kit! With a WiFi-enabled Litter-Robot, you can use our app to: View the waste drawer level. Change settings remotely. Receive status notifications. Monitor your cat's litter box usage. Control multiple Whisker robots.The issue that you are having would require replacing the DFI sensor and the 3 sets of pins so you can order the following parts from the following links: RobotShop Europe 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 ...May 31, 2023 · Litter-Robot 3 Inherited a LR3 (not the connect version), gave it a thorough clean and it worked great for 2 weeks. Then got the error meaning the DFI sensor was kaput and wouldn't move. Tried cleaning, reseating connections, no joy. Then it wouldn't even power on at all. Oct 19, 2022 · How to install a replacement DFI Kit + Pinch Detect Terminals in the Litter-Robot 3. The DFI Circuit Board and brackets may appear different from what is pictured depending on when the unit was ... If you get a flashing blue light on your cat box and do not want to spend $80 for a new DFI sensor, then try this fix for $10 in parts. It has ben working fo...The "circuit board" you're referring to is called the DFI (drawer full indicator). ... There are a couple of videos on YouTube that show how to do it if you search Litter Robot 3 disassembly. ... The sensor is telling the control unit that the cat is in the unit when it's not.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 Litter-Robot 3 only. What's Included. 1x Litter-Robot 3 Open Air DFI Hardware (v2) Specifications. Compatible with Litter-Robot 3 only.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 ...Actually just had this issue! Came across an old thread on here that had this link: litter robot dfi sensor . I followed the steps and haven’t had issues since. Granted it’s only been like a week but that was after two weeks of non stop drawer full. It ended up I think being the bag, crinkling up just enough to set off the sensor.BEFORE DOING THIS BYPASS HACK:Be sure to do the usual fixes first.. Clean plastic pinch detector part that flexes first (the cracks), then clean both sides o...Hi @Perpetuus, Yes, it is normal. Litter Robot Connect version has a new type of DFI sensor based on laser so it has only one circuit board. Old DFI sensor was based on IR light so it had two circuit boards. One for emitting and one for receiving IR light. Also, have in mind that the app uses an algorithm to estimate how full the unit is based …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) retainersIf 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: 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 ...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.Hello, I have basically the same problem with my litter robot 3 connect. I have tried everything within the trouble shooting like the person said above, I’ve only had it for 1 week. As well I’ve tried to level out the floor for the sensor. But the main problem I am having is the connect only connected to the app successfully for 3 days. And then any …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 entering the globe.If your Litter-Robot 3 is displaying a yellow light flashing quickly, this indicates a cycle has been interrupted by the Anti-Pinch safety feature and you will need to inspect the pinch sensor. Inspect the sensors. The purpose of the pinch sensor is to detect if an object is blocking the waste port during the globe rotation.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 ...Nov 18, 2019 · I receive really interesting update from Litter-Robot. 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. If you get a flashing blue light on your cat box and do not want to spend $80 for a new DFI sensor, then try this fix for $10 in parts. It has ben working fo...Hi, litter robot 3 connect blue flashing light (fast flashing). Have taken the robot apart a few times, cleaned the sensors. Nothing is working. Ordered June 2022. ... 2- Wipe the DFI sensor’s circuit boards on each side. 3- Install the new bag. 4- Press the “Reset” button on the robot. 5- Reset the level on the app. (For wi-fi model)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 entering the globe.Nov 18, 2019 · I receive really interesting update from Litter-Robot. 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. Have questions about your Litter-Robot 3? Get quick solutions from our dedicated support page. ... Litter-Robot 3: DFI Kit Installation Guide ... Litter-Robot 3: Yellow flashing slowly (Cat sensor) Litter-Robot 3: Yellow flashing slowly (Cycle interrupted)How to replace your Litter-Robot's Cat Sensor. Posted on 15/01/2018 by pjutras in Domestic, Pet Care, Litter-Robot, Consumer Robotics. Tags: cat sensor , Litter-Robot , Litter-Robot Open Air , repair , Tutorial. 8318 3 7. Like Share.1 / 2. So my litter robot 3 won’t cycle and it is flashing yellow rapidly which I understand is the anti-pinch sensor. I’ve heard of the tin foil hack and may need to resort to it but I worry without the sensor it could cycle while the cats are in there. Not sure iof that is a realistic possibility or not….. Regardless, i read about the ...Then, after a minute, go into the Litter Robot driver, refresh, and see if the Cycles After Drawer Full (a counter in the Litter Robot that counts cycles after DFI IR sensor indicates a full drawer) count goes to 0. It’s supposed to go to 0 along with the cycle count when a reset is done.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 …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 …If you need to replace the pinch detect terminals on your Litter-Robot and the unit is out of warranty, the process is simple and quick. For those who are th...Hello @Mariagav , 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: The following …If you need to replace the pinch detect terminals on your Litter-Robot and the unit is out of warranty, the process is simple and quick. For those who are th...LR3 DFI & Pinch Sensor - Preventing Errors? Tips & Tricks. Our family has had our LR3 for two years and are mostly in love with it. However, we've had another set of DFI & Pinch …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: ... Litter-Robot 3 DFI Kit + Pinch Detect Terminals Installation: Litter-Robot 3 DFI Kit + Pinch Detect Terminals Installation - …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.The laser version only exists on a limited production run in 2020, and when those fail, they replace them with the original IR sensors. Despite my LR3 being out of warranty, they sent me a replacement IR and pinch sensor kit free of charge (this is the first and only time I've needed service).I’m trying the below based on what some other LRC users have said. Basically to improve/correct the data gathered by your litter robot you have to let it do its cycle once the cat has used it If you get a bin full notification, check the drawer. If it’s not full then press the reset button on the litter robot (not on the app) Repeat steps 1-2 until the bin is …Then, after a minute, go into the Litter Robot driver, refresh, and see if the Cycles After Drawer Full (a counter in the Litter Robot that counts cycles after DFI IR sensor indicates a full drawer) count goes to 0. It’s supposed to go to 0 along with the cycle count when a reset is done.The issue that you are having would require replacing the DFI sensor and the 3 sets of pins so you can order the following parts from the following links: RobotShop Europe 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 ...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 ...Nov 18, 2019 · I receive really interesting update from Litter-Robot. 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. Visit our Calibrating OmniSense Laser Sensors guide to learn how to recalibrate your Litter-Robot's DFI sensors. Successful: If your Litter-Robot displays a blue light bar, you've been successful. Unsuccessful: If the calibration fails, the LED display will illuminate a yellow light bar with a red flashing light for five seconds. Then the unit ...Hello @Mariagav , 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: The following …If you get a flashing blue light on your cat box and do not want to spend $80 for a new DFI sensor, then try this fix for $10 in parts. It has ben working fo...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 phone if you ...As for the blue blinking light, it’s related to the DFI sensor. Let us know if you need further assistance. Sincerely, Mariagav July 5, 2023, 5:02pm 8. Hi Ebram, Thank you for the information you sent me. I still have a problem: the DFI in my litter robot 3 is longer and different than the one received with my order.Name of Rule: Litter Robot Flash on Alarm. Comments: I quickly tired of getting notifications on my iPhone and iPad that the Litter Robot's Litter Drawer was full (you have 3 cycles after DFI is triggered to empty the drawer, and my cats can only poop so fast). While thinking of a solution, I realized that there was a bigger problem, namely ...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 appreciatedApr 19, 2021 · r/litterrobot • 3 yr. ago DRob433 LR3 DFI & Pinch Sensor - Preventing Errors? Tips & Tricks Our family has had our LR3 for two years and are mostly in love with it. However, we've had another set of DFI & Pinch Sensors go bad this past week (our 2nd in the last year), which has me concerned about long-term viability of the unit. 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 ...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) retainersIn this case, the DFI sensor and the 3 sets of pins will need to be replaced so we will send you new ones under the warranty. The following videos will show you how …If it cannot cycle after three attempts, the globe will return to the home position, and the control panel will flash yellow and red or blue and red lights. There are a few things you can do to troubleshoot a jammed Litter-Robot globe: 1. Turn off the unit and unplug it. 2. Remove the bonnet. 3. Remove the globe. 4.If you get a flashing blue light on your cat box and do not want to spend $80 for a new DFI sensor, then try this fix for $10 in parts. It has ben working fo...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: ... 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 ...May 31, 2023 · Litter-Robot 3 Inherited a LR3 (not the connect version), gave it a thorough clean and it worked great for 2 weeks. Then got the error meaning the DFI sensor was kaput and wouldn't move. Tried cleaning, reseating connections, no joy. Then it wouldn't even power on at all. How to install a replacement DFI Sensor Kit and Pinch Detector Terminals in the Litter-Robot III Open Air.My litter robot 3 has been working perfectly until 2 weeks ago when it suddenly began getting stuck in the upside down position. ... 2- Wipe the DFI sensor’s circuit boards on each side. 3- Install the new bag. 4- Press the “Reset” button on the robot. 5- Reset the level on the app.In this case, the DFI sensor and the 3 sets of pins will need to be replaced so we will send you new ones under the warranty. The following videos will show you how …The issue that you are having would require replacing the DFI sensor and the 3 sets of pins so you can order the following parts from the following links: RobotShop Europe 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 ...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.During each Clean cycle, the DFI sensors 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 …
I concluded (before disassembly) that it was both the pinch sensor and the DFI assemble causing me trouble so in a Hail Mary I tried to fix both problems in one go. On my litter robot I found and removed 9 screws from the underside of the base to access the electronics within the base.. Percent27s pick up
We have checked your order again and it seems that you have purchased the normal Litter-Robot…not the connect version. That’s why you are unable to connect it to your phone. If you wish to upgrade it to the connect version you can order the upgrade kit + new DFI sensor. Let us know if you have any further questions. Have a lovely day, stay ...Litter Robot 3 not reversing during cycle. My Litter Robot 3 has been having a weird issue for the last two weeks. When it cycles, the globe rotates counter-clockwise until the hall sensor detects the magnet on the globe. It then stops, like it should. Then it's supposed to rotable clockwise to return to its home position, when the hall sensor ...3. Brush out excess litter. If any litter remains in the robot, brush it away. Wet litter can turn into a clay that is hard to remove. [3] 4. Wash the globe. The globe has no electronic components and thus exposing it to water it is not a concern. Wash with a wet rag and mild soap.Litter-Robot 3 Pinch Contact. $5. Buy in monthly payments with Affirm on orders over $50. Learn more. If your Litter-Robot 3 is no longer under warranty, you can purchase this replacement pinch contact.The DFI repair is actually quite easy to do. You can purchase a replacement DFI from HERE for $30. You can watch this how to VIDEO on how to replace the DFI. The tools needed for this repair are a #2 Philips screwdriver with at least a 6 inch long shank, and needle nose pliers for convenience.http://www.litter-robot.com/ The Main Circuit Board is the brains of the operations. This replacement is for customers whose Litter-Robot is out of warranty,...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 ...I finally gave up on it when it needed the DFI sensor replaced yet again ($80), a common problem on this unit, and bought a PetKit Pura X. This litterbox so far is amazing. It's …Also I'd like to mention I have the original litter robot 3 that didn't come with connect. But I did install that a year later. I had issues when I first got mine and I thought it was the dfi sensor but just ended up I had to take out the "key" that's in the back and I think there was a cover that was unnecessary too on the inside.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 ...The "circuit board" you're referring to is called the DFI (drawer full indicator). ... There are a couple of videos on YouTube that show how to do it if you search Litter Robot 3 disassembly. ... The sensor is telling the control unit that the cat is in the unit when it's not.If your Litter-Robot 3 is displaying a yellow light flashing quickly, this indicates a cycle has been interrupted by the Anti-Pinch safety feature and you will need to inspect the pinch sensor. Inspect the sensors. The purpose of the pinch sensor is to detect if an object is blocking the waste port during the globe rotation.In this case, the DFI sensor and the 3 sets of pins will need to be replaced so we will send you new ones under the warranty. The following videos will show you how to replace these parts: 1- Shipping address. 2- Phone number. 3- Serial number located on the back of the robot.Litter Robot 3 not reversing during cycle. My Litter Robot 3 has been having a weird issue for the last two weeks. When it cycles, the globe rotates counter-clockwise until the hall sensor detects the magnet on the globe. It then stops, like it should. Then it's supposed to rotable clockwise to return to its home position, when the hall sensor ...Hi, litter robot 3 connect blue flashing light (fast flashing). Have taken the robot apart a few times, cleaned the sensors. ... 2- Wipe the DFI sensor’s circuit boards on each side. 3- Install the new bag. 4- Press the “Reset” button on the robot. 5- Reset the level on the app.Purchase replacement pinch contact and drawer full indicator (DFI) circuit board assembly for your Litter-Robot 3. ... (DFI) circuit boards for your Litter-Robot 3. Contact Whisker Support if your robot is still under warranty The store will not work correctly in the case when cookies are disabled..