Did you purchase your robotic pool cleaner from Premier Pool & Spa?
If the troubleshooting steps below don’t resolve the issue, we’d be happy to assist. Please schedule a service appointment to bring your cleaner in for repair.

If your cleaner was purchased elsewhere, we recommend reaching out to the original retailer or manufacturer for service, as we are only able to perform repairs on units purchased through Premier Pool & Spa.

Here are videos on troubleshooting cleaners as well:
Maytronics Troubleshooting & Maintenance Playlist
Maytronics Active Series Fix 
What to do when a Maytronics cleaner does not start it's cycle
Maytronics Active 20 Diagnose & Repair

---

🛠️ Pool Cleaner Troubleshooting Guide

If your pool cleaner isn't performing as expected, don’t worry — many issues have simple fixes. Use the steps below to diagnose and correct common problems.

🔌 Important: Always unplug the power supply before inspecting or cleaning your pool cleaner.

---

⚡ 1. Power Issues

Symptoms: Power supply won’t turn on, no lights, cleaner won’t start.
Possible Causes:

• No power at outlet

• Power supply is off or unplugged

• Power cable not fully connected

Fixes:

• Confirm outlet is live (test with another device)

• Plug in and switch on power supply

• Firmly reconnect the black power cable

• Reset the system: unplug, wait 30 seconds, then plug back in

---

🐢 2. Pool Cleaner Not Moving / Red Light On Power Supply

Symptoms: Cleaner is unresponsive or red fault light is on.
Possible Causes:

• Floating cable not properly connected

• Obstruction in impeller, wheels, or drive tracks

• Cleaner out of water

Fixes:

• Ensure blue floating cable is fully connected

• Check for debris in the impeller area and wheels

• Remove the cleaner from the pool, then submerge it properly (wait for air to escape)

---

🔄 3. Pool Cleaner Moves in Circles

Symptoms: Cleaner spins or turns without covering the pool.
Possible Causes:

• Clogged filter basket

• Debris stuck in impeller

• Twisted/kinked floating cable

• Power supply placed incorrectly

• Imbalanced water chemistry or algae on surfaces

Fixes:

• Clean the filter basket

• Remove debris from impeller

• Fully unwind cable, lay flat in the sun to release memory

• Place power supply at pool center, 5–12 ft. from edge

• Brush the pool and correct chemistry

---

➡️ 4. Pool Cleaner Only Moves in One Direction

Symptoms: Cleaner doesn’t reverse or turn.
Possible Causes:

• Debris in impeller or directional valve

• Mechanical failure (drive motor or software issue)

Fixes:

• Check and clear impeller

• If issue persists, contact service provider

---

🧹 5. Pool Cleaner Moves But Doesn’t Clean

Symptoms: Movement is normal, but no debris is collected.
Possible Causes:

• Filter basket is clogged or damaged

• Suction or intake area blocked

Fixes:

• Thoroughly clean or replace the filter basket

• Inspect and remove debris from intake ports and impeller

---

🌐 6. Cleaner Only Cleans Part of the Pool

Symptoms: Cleaner covers limited area
Possible Causes:

• Power supply positioned too far or in corner

• Insufficient slack in cable

• Filter basket is clogged

Fixes:

• Place power supply in the middle of the pool length

• Uncoil and straighten floating cable

• Clean the filter basket

---

🪢 7. Floating Cable Has Kinks or Memory

Symptoms: Cleaner tangles or cable coils tightly
Fixes:

• Remove all kinks manually

• Stretch cable out flat in the sun for several hours

• Store cable loosely when not in use

• Alternate cleaner's path each use

---

🧗 8. Pool Cleaner Doesn’t Climb Walls

Symptoms: Cleaner avoids walls or slides off
Possible Causes:

• Filter basket is clogged

• Algae on pool walls

• Low pH or poor water chemistry

• Excess air in cleaner

Fixes:

• Clean the filter basket

• Brush walls and vacuum manually

• Balance water chemistry

• Fully submerge cleaner to release trapped air

---

📱 Troubleshooting MyDolphin™ Plus App & Connectivity

1. Power Supply Flashing Green

Meaning: Trying to connect to Wi-Fi®.
Fixes:

• Ensure strong 2.4GHz Wi-Fi signal near power supply

• Use a Wi-Fi extender if needed

2. Lost Wi-Fi®? Switch to Bluetooth®

• Open app → "Cloud services down" → "Choose another solution"

• Select Bluetooth®

• Must be near robot for Bluetooth® to work

3. First-Time Bluetooth® Setup

• Plug in power supply & robot

• Open app, scan QR code, follow setup

• iOS: Minimize and reopen app if stuck

• Android: Choose network → tap "Later"

4. Switching to Wi-Fi® After Bluetooth®

• Enable both Bluetooth® and Wi-Fi®

• Open app → Settings → Wi-Fi® Settings → Connect

5. Changed Wi-Fi® Network?

• Open app → Settings → Wi-Fi® Settings

• Select "Change Wi-Fi® network" → Enter new credentials

• Power supply light will turn solid green when connected

6. New Power Supply or Motor Unit?

• Reconnect power supply

• Open app → Settings → Robot Details → “Disconnect from Robot”

• Tap "Search for Nearby Robots" and select correct unit

• If replacing Motor Unit (MU), follow the same process with the new MU serial number

---

📞 Still Having Issues?

Contact Maytronics Customer Support:

North America
📞 1-888-365-7446 ext. 1002
✉️ customersupport@maytronicsus.com

Australia/NZ/South Africa
📞 1300 693 657
✉️ infoau@maytronics.com

Global HQ
📞 +972 77 961 4204
✉️ wecare@maytronics.com