Dolphin owners' support
Help for every Dolphin, in one place.
Troubleshooting guides for 106 models, the manuals, 241 genuine parts and all 199 Maytronics support answers, searchable. And a specialist on chat when you would rather ask.
TroubleshootingWon't start, stops early, won't climb, not cleaning: fixes by model and by problem.Fix a problem
Manuals and videosUser manuals, quick-start guides, app manuals and Maytronics' how-to videos.Find your manual
Replacement parts241 genuine parts with the robots each one fits and how to install it.Find a part
Talk to a specialistLive chat with a Dolphin specialist, or call 888-615-4806 weekdays.Start a chat
Browse the FAQ
Answers by topic.
Choosing a Dolphin RobotWhich robot suits your pool: size, surface, brushes, filters and cordless or corded.9 answers
Corded Dolphin: Using Your RobotGetting started, care and maintenance, navigation, safety and the S-line face lift.52 answers · 10 fixes
Corded Dolphin: TroubleshootingThe fixes for the problems owners report most: cycles, climbing, cleaning, power and connectivity.28 answers · 28 fixes
Dolphin EON 100/120dThe cordless EON 100 and 120d: the Maytronics One app, charging, filters and troubleshooting.41 answers · 12 fixes
Dolphin LibertyLiberty 200, 300, 400 and 600: charging, the Clicker, the app and what to do when it stops.32 answers · 15 fixes
Dolphin SkimmiSkimmi and Skimmi 300 solar skimmers: setup, the app, maintenance and fixes.29 answers · 8 fixes
How to Replace Parts at HomeStep-by-step guides and videos for the parts you can swap yourself.10 answers · 3 fixes
Warranty & RepairWhat the warranty covers and how to get a robot repaired.4 answers · 1 fixes
Pool ChemicalsWater balance basics: alkalinity, pH, calcium, clarifiers and conditioners.16 answers
NiyaThe Niya Aquasweep and the Sonar and Tracker robots.4 answers
Most asked
The questions owners ask first.
- Why should I register my robot?Registering your Dolphin robotic pool cleaner is a simple step that ensures you get the best possible service and support. By registering your robot, you’ll enjoy the…
- What settings are available on my Liberty 300/400?Eco Mode (Included with Liberty 200 - manufactured in 2024 onwards, Liberty 300, 400) The Eco Mode is an automatic cleaning scheduler, which allows you to leave the…
- The Skimmi can no longer connect to the MyDolphinSkimmi appIf the Skimmi is losing connection with the app, try the following steps: Insert the filter tray back into the Skimmi. Place the robot in direct sunlight to allow the…
- My Dolphin doesn't climb the walls or move sideways on wallsOptimal Pool Conditions for Your Robot The robot should be used in water temperatures of 6°C - 35°C for optimal results. A low pool temperature can significantly hinder…
- Why doesn't my cordless robot respond to the App while underwater?Our cordless models, the EON™ and Liberty 400/600, do not remain connected to Wi-Fi or Bluetooth while submerged and operating in the water. After removing the robot…
- How do I open my pool for the season after winter?After a long winter, pools often contain large debris, fine particles, and algae. Opening your pool for the season usually requires deep cleaning and chemical balancing…
- My Power Supply works, but the Robot does not startIf your robot doesn't start cleaning after powering it on, or if the main LED of the IoT Power Supply shows a Red light, complete the following troubleshooting steps to…
- My Dolphin does not complete a cycle / Red light on the Power SupplyIf your Dolphin robotic pool cleaner starts the cycle but does not complete or stops shortly after, or the Power Supply shows a red light (this means there is an error…
- My Power Supply Unit does not work properlyIf your Power Supply stops working, trips the GFCI outlet, or does not turn on at all, follow these troubleshooting steps to help diagnose and resolve the issue: Step 1…
- MyDolphin Plus Wi-Fi Connectivity GuideMaytronics MyDolphin™ Plus application, connected via the Cloud, allows you to control your Dolphin robot from anywhere, at any time, thanks to real-time connectivity…
- My Dolphin is not working, where can I send it to be fixed?Maytronics has regional Master Service Centers across North America to provide repair services. These centers are located in Georgia, Arizona, California, Pennsylvania…
- How long is the warranty on my Dolphin?The warranty length for Dolphin robots varies depending on the model, typically ranging between 12 to 36 months. To verify the exact warranty period for your specific…
- The Skimmi is in a sunny location, but it isn't chargingThis can occur when the battery is full so that the skimmer runs on solar power instead of battery. When the sunlight becomes weaker, the battery will start to power the…
- The Skimmi movement is jerky and/or making noiseThis can happen if the water is full of debris or if there is very strong wind, making it difficult for the Skimmi to navigate properly. Try the following…
- The front paddlewheel is jammed on my Skimmi - How do I clean it?Here are the steps to follow: Make sure the Skimmi is turned off and remove it from the pool. Remove any debris from the paddlewheel. Empty the filter tray and rinse it…
- The Skimmi often stands still, and cleaning time is reducedIf you often find the Skimmi standing still, and the cleaning time is less than usual, try the following steps: In the MyDolphinSkimmi app, reduce the length of Day…
- My Dolphin's filter is full - How do I clean it?To take the best care of your filters, we recommend cleaning the filters after each cycle to make sure they last longer. Remove the Filter Basket or Panels. Rinse with…
- My Dolphin isn't cleaning the pool properlyIf the robot is not cleaning the pool as it used to or is missing spots, we recommend verifying the following parameters. Check that the chemical levels meet the…
- How do I set the cleaning modes on the EON 100/120d?The cleaning modes can be set through the MaytronicsOne app or through the robot interface. How to Set the Cleaning Modes on the Robot Interface: Turn the robot on and…
- How long can I leave my Dolphin in the pool?After each cycle, we recommend taking your Dolphin robot out of the pool to empty and clean the filters. Store the robot and power supply in a dry place, away from…
- How do I properly store my Dolphin?(The picture is for illustrative purposes) After each cleaning cycle, for optimal maintenance, we recommend removing the Dolphin from the pool and storing the robot and…
- How do I connect to the Maytronics One App for the first time?The robot does not stay connected to Wi-Fi + Bluetooth while operating in the water. Use the Maytronics One App to pair with your Liberty 600, EON 100, or EON 120d to…
- Which Dolphin App should I download for my robot?Not all of our robots are app-compatible. To find out which mobile application is compatible with your robot model, please refer to the product page of your robot model…
- My EON isn't behaving properlyIf your EON is not working properly, the first and most important step is to make sure your robot software is up to date. Software updates include the latest…
Every answer
Search all 199 support answers.
- There seems to be something stuck in my Wave 90i tracks – how can I get it out?
- The impeller is clogged on my Wave 90i - how do I clean it?
- Which filters come with the Wave 90i?
- Can I swim while my Dolphin is cleaning the pool?
- How can I use my Dolphin in the safest way?
- How do I clean my Wave 90i filter?
- Eco Mode is not working on my Dolphin Liberty
- How to assemble the Dolphin caddy?
- Can I use my Dolphin with an extension cord or surge protector?
- What is the safest way to use my Dolphin Liberty induction charger?
- How do I properly store my Liberty robot?
- Why should I register my robot?
- What settings are available on my Liberty 300/400?
- What is the Eco Mode and how do I set the Eco Mode?
- How do I remove my Dolphin Liberty from the pool?
- My Liberty 600 isn't reaching the steps
- How do the features on my Liberty 600 work?
- Which filters come with my Dolphin Liberty?
- What is the safest way to use my Dolphin Liberty?
- I can power my Liberty on, but it does not move
- My Liberty 600 starts and then stops / Red LED on robot
- My Dolphin’s tracks are loose or falling off
- Where can I find the user manual for my Dolphin?
- My Liberty 600 has stopped working
- What is the right brush type for my pool?
- How to replace the Liberty power pack unit?
- Getting started with your Liberty
- Can I start my Dolphin from anywhere in the pool?
- How to plug the blue cable into the power supply?
- What is the Cycle Selector and how do I set the Cycle Selector for my cordless Dolphin Liberty 300 and 400?
- Getting started with your Dolphin
- What are the plastic wrappers around the white foam climbing rings on certain robots?
- How does the Liberty 600 charge?
- Getting started with your Skimmi
- How long does it take for my Skimmi to fully charge and how long will it last?
- What settings should I set my Skimmi on?
- How does the Skimmi navigate?
- What is a Dolphin pool cleaner and what makes it different?
- What do the LED's on my Skimmi mean?
- My Dolphin came with fine filters. Are there finer filters available for my Dolphin?
- How do I register my Dolphin's warranty?
- How do I connect to the MyDolphin Skimmi app?
- The Skimmi can no longer connect to the MyDolphinSkimmi app
- My Dolphin robot came with 2 sets of filters, which filter should I use?
- Where do I find my Skimmi serial number?
- My Dolphin doesn't climb the walls or move sideways on walls
- What do the LEDs on my Liberty 600 mean?
- How do the features on the EON 100/120d work?
- How do I clean the impeller on the EON 100/120d?
- How do I remove the EON 100/120d from the pool?
- What do the LEDs on the EON 100/120d mean?
- What is the DebrisLock filter technology and how does it work?
- Why can't I pair my cordless robot with the Maytronics One app?
- How can I change the filter on my Wave90i?
- Why can’t I access all of the features on my Liberty power unit?
- How to replace the side panel on the Nautilus CC Plus?
- What cleaning modes are included with the S2000?
- Can I swim while the Skimmi is cleaning the pool?
- The Skimmi is hitting the pool walls — why?
- How does the EON 100/120d clean the steps and the sun ledge?
- Is the new S-Line only cosmetic, or does it change how the robot cleans?
- What's new about the M600?
- What cleaning modes are available on the EON 100/120d?
- How to install the cable float on the Nautilus CC Plus?
- How does Dolphin EON deliver water that’s up to 4X clearer than competitors?
- How does Dolphin EON save you up to 20 hours per year on maintenance?
- Will my corded Dolphin clean the stairs?
- What cleaning modes are included with the S3000?
- Why doesn't the Wi-Fi stay connected to the Maytronics One app?
- Getting started with your Liberty 600
- Why doesn't my cordless robot respond to the App while underwater?
- How do I open my pool for the season after winter?
- Why isn't the EON 100/120d cleaning the sun ledge and steps?
- My Power Supply works, but the Robot does not start
- My Dolphin does not complete a cycle / Red light on the Power Supply
- My Power Supply Unit does not work properly
- MyDolphin Bluetooth Connectivity Guide
- MyDolphin Plus Wi-Fi Connectivity Guide
- The Clicker is not working with my cordless robot
- Robot is not responding Error / Communication Issue
- My Dolphin is not working, where can I send it to be fixed?
- How long is the warranty on my Dolphin?
- The Skimmi is in a sunny location, but it isn't charging
- The Skimmi movement is jerky and/or making noise
- The Skimmi is beeping and the LED is flashing red
- The front paddlewheel is jammed on my Skimmi - How do I clean it?
- The Skimmi often stands still, and cleaning time is reduced
- My impeller is clogged – How do I clean it?
- Which Dolphin is best suited for my pool?
- Cycle selector is not working on Dolphin Liberty 300 and 400
- I have an issue with the remote control
- There seems to be something stuck in my tracks – how can I get it out?
- Does my Dolphin come with cleaning modes?
- My Dolphin is getting stuck on the drain
- Can I order replacement parts for my Dolphin? Can I replace the parts myself?
- My Dolphin regularly forgets part of the pool
- My Dolphin floats and does not sink to the bottom of the pool
- My Dolphin Liberty doesn't complete the cycle, with red LED on the power unit
- My Dolphin's filter is full - How do I clean it?
- My Dolphin is doing wheelies
- My Dolphin gets stuck at the bottom or at the deep end of the pool
- My Liberty doesn't climb the walls
- My Dolphin isn't cleaning the pool properly
- My Dolphin's cable is twisted
- The impeller is clogged on my Liberty - How do I clean it?
- Is it safe to leave the power supply outside? What happens if there is a thunderstorm?
- What water conditions should I use my Dolphin?
- The EON 100/120d isn't climbing
- What makes the EON 120d filtration system more advanced?
- Why isn't my EON 100/120d charging?
- What app features does the EON 100/120d include?
- How do I set the cleaning modes on the EON 100/120d?
- How do I set UltraRun on the EON 100/120d?
- How do I remove my Dolphin from the pool?
- How long can I leave my Dolphin in the pool?
- How does my Dolphin scan and move around the pool?
- What are the voltage requirements for the Dolphin power supply unit?
- Why can’t I access all the features on the power supply unit?
- What does the S2000 feature?
- What does the S3000 feature?
- How does the S1000/S2000/S3000 clean stairs and sun ledges?
- What’s new about the S-Line facelift?
- How can I schedule cleanings with the S2000 and S3000?
- How to replace the climbing rings on my Dolphin brushes?
- The S1000/S2000/3000 isn't reaching the steps
- How to log in to the app using OTP?
- Where do I find the serial number of my Maytronics cleaner?
- How do I charge the EON 100/120d?
- How do I replace the side paddlewheel on my Skimmi?
- How to replace the filter panels on my Dolphin robot?
- How do I set the Eco Mode on my Liberty 600?
- What cleaning modes are available with my Liberty 600?
- How do I replace the brushes on my Dolphin robot?
- Can I add more than one Dolphin robot to the MyDolphin Plus app?
- What is the Eco Mode on the Skimmi 300?
- What cleaning modes does the Skimmi 300 have?
- How to replace the blue cable on my Dolphin robot?
- How do I replace the motor unit on my Dolphin?
- How do I replace the tracks on my Dolphin robot?
- How do I replace the filter panels on my EON?
- What filter options are available with the EON 100 and EON 120d?
- How to install the DebrisLock filter and configure the backwash?
- How do I test my pool water and use pH Plus if the pH is too low?
- What is pH Plus?
- Why is proper pH balance important, and how often should I test my pool water?
- Can pH Plus be used the same way in pools and spas?
- How do I properly store my Dolphin?
- How to get started with your EON 100/120d
- Will replacement parts work with both older S-Line models and the new S-line models?
- How do I use the Clicker with my cordless robot?
- How do I connect to the Maytronics One App for the first time?
- Which Dolphin App should I download for my robot?
- My Dolphin's "full filter" indicator lights up when the filter is not full
- How do I replace the front paddlewheel on the Skimmi 300?
- How do I set Eco Mode or other cleaning modes on the Skimmi 300?
- The paddlewheels on my Skimmi 300 are stuck — how do I clean them?
- How does the Skimmi 300 charge?
- What do the LEDs on my Skimmi 300 indicate?
- What features are available in the Maytronics One app for the Skimmi 300?
- How do I pair the Skimmi 300 with the Maytronics One app?
- How do I store my Skimmi in the off-season?
- How do I clean my Skimmi?
- What pool types is the Skimmi suitable for?
- What are the handles and floats on my Dolphin for?
- When should I use a clarifier?
- Why do I need a conditioner and clarifier for my pool or spa?
- What is pool alkalinity, what is the ideal range, and why is it important?
- What happens if pool alkalinity is too low or too high?
- What is pool alkalinity increaser, and when should I use it?
- How do I add alkalinity increaser, how much should I use, and how long should I wait to swim?
- How often should I test pool alkalinity, and should I adjust alkalinity or pH first?
- How do I know if my pool needs calcium hardness increaser, and when should I add it?
- What should I do before adding calcium hardness increaser, and how often should I test calcium hardness?
- What is calcium hardness increaser and what are the ideal levels for pools and spas?
- When should I not add calcium hardness increaser, and what happens if calcium levels are too high or low?
- Do pools and spas use the same calcium hardness increaser?
- Why isn't my EON 100/120d not cleaning properly?
- Why is debris falling out of my robot when I remove it from the pool?
- What features are included with the Skimmi 300?
- I can no longer connect to the MyDolphin Plus app
- What is the Dolphin Nautilus EON 120d cordless robotic pool cleaner?
- What size pool does the Dolphin Nautilus EON 120d cover?
- How long does the Dolphin Nautilus EON 120d run on a single charge?
- What is ClearPod?
- How does the ClearPod work?
- What are the benefits of using the ClearPod?
- How do I use the ClearPod?
- Can I leave the ClearPod installed all the time?
- How does the ClearPod improve water clarity?
- How do I install or replace the ClearPod on the EON?
- How often should I replace the ClearPod?
- How do I set or change the Homing Wall?
- My EON isn't behaving properly
- Is the Niya Aquasweep S1 rechargeable?
- Can the Niya Aquasweep S1 handheld cordless pool vacuum cleaner reach tight corners?
- Is the Niya Aquasweep S1 a good handheld pool vacuum cleaner for spot cleaning?
- How long does the Niya Aquasweep S1 battery last?
- How Does Pick-Up Mode Work?
- Is the Dolphin Nautilus Titan Rated for Large Pools?
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What the Maytronics warranty covers, how to register and how a repair claim works.
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