Polaris Epic 8520 Troubleshooting

Polaris Epic 8520 Error Codes

  • If the status indicator on the control box flashes to alert the user, follow the recommended troubleshooting tips below
  • User alerts can also be accessed in the iAquaLink® app (on connected models only)
Flashing LED In-App Display
(depending on the model)		 Solution
  • Communication
  • Disconnect and reconnect the cleaner.
  • Check that the cable is properly connected to the control box.
  • Check that nothing is interfering with the cable connection area.
  • If this does not resolve the problem, contact your local retailer for a diagnostic review or call customer service.
  • Right traction motor
  • Left traction motor
  • Right traction motor consumption
  • Left traction motor consumption
  • Check that debris or the cable is not preventing the brushes or
    the tracks from rotating freely.
  • Check that nothing is interfering with the cable connection area.
  • Rotate the track by a quarter of a turn in the same direction until it rotates smoothly
  • If this does not resolve the problem, contact your local retailer for a diagnostic review or call customer service.
  • Cleaner out of the water
  • Turn the cleaner off.
  • Clean the filter thoroughly.
  • Put it back in the water, shaking to release the air bubbles.
  • Restart the cycle.
  • If this does not resolve the problem, contact your local retailer for a diagnostic review or call customer service.
  • Pump motor
  • Pump motor consumption
  • Check that no debris or hair is blocking the impeller.
  • Clean the filter thoroughly.
  • If this does not resolve the problem, contact your local retailer for a diagnostic review or call customer service.
iAquaLink Control Models Only
  • Software update failed or
    incomplete
  • Disconnect and reconnect the control box to restart the update.
  • If this does not resolve the problem, contact your local retailer for a diagnostic review or call customer service.
  • Update in progress
  • Wait for the update to complete.
  • Do not disconnect the power cable from the cleaner during an update.
N/A
  • Connection error
  • Check the status of the Bluetooth/Wi-Fi LEDs on the control box.
N/A
  • A red dot appears in the “My
    systems” list
  • Robot not plugged in or not connected to the home Wi-Fi network. If the dot is red when the control box is plugged in and if the Bluetooth/Wi-Fi icons are lit up, refresh the screen (by swiping downwards).
  • If the dot turns green: the robot is ready for use.

The Polaris Epic 8520 cleaner does not stay on the pool surface or is floating excessively.

Cause Solution
  • There is air trapped inside the cleaner housing.
  • Remove cleaner from pool and re-submerge
  • The filter canister is full or dirty
  • Dispose of debris and thoroughly clean the filter canister with mild soap and a soft brush. Then, re-submerge the cleaner

The Polaris Epic 8520 cleaner is not climbing walls.

Cause Solution
  • The filter canister is full or dirty.
  • Dispose of debris and thoroughly clean the filter canister with mild soap and a soft brush. Then, re-submerge the cleaner
  • Confirm appropriate pool chemistry
  • Speak with your pool service professional. Do not leave cleaner in the pool during any chemical treatments.

The Polaris Epic 8520 cleaner is not moving

Cause Solution
  • Not connected to electricity.
  • The outlet the control box is connected to, is not supplying electrical power. Check that the outlet to which the control box is connected is receiving electricity.
  • Cycle not started.
  • Press the Start button to initiate a cleaning cycle
  • Reset needed
  • Disconnect the unit power and reconnect after 20 seconds. If the problem is not resolved, contact your local retailer to request a diagnostic review or contact Technical Support at 1-800-822-7933.

The Polaris Epic 8520 Cable is tangling in the pool.

Cause Solution
  • Cable is not spread evenly in the water
  • Verify the floating cable enters the water near the middle of the pool length. Spread all of the floating cable carefully in the pool, ensuring there are no kinks or coils. Ensure the cable is not too tightly wrapped or coiled when storing. If the problem persists, lay the cable straight in the sun to relax it and remove kinks. Follow the procedure in Cord Tangling to avoid and correct tangled cord.

The Polaris Epic 8520 cleaner is not cleaning the pool effectively

Cause Solution
  • Filter canister is full or dirty.
  • Dispose of debris and thoroughly clean the filter canister with mild soap and a soft brush. Then, re-submerge the cleaner (see: Clean the Filter Canister).
  • Brushes are worn
  • Check the wear indicator(s). Contact your local dealer for spare parts.
  • Cable is excessively tangled.
  • Untangle the twisted cord and lay in sun to reduce memory. (See: Cord Tangling).

The Polaris Epic 8520 All lights are off

Cause Solution
  • Bright sunlight
  • Shield the lights to block sunlight and re-check if the lights are lit.
  • Control box is unplugged.
  • Plug the control box in. (See: Connect to a Power Source).
  • Power outage.
  • Verify that the breaker is on and electricity is being supplied to the outlet.
  • Lost internet connection.
  • Check internet connection – Network may be
    down.

The Polaris Epic 8520 Wi-Fi is off

Cause Solution
  • Router is off
  • Turn router on
  • Router password was changed.
  • Reset router with new password

The Polaris Epic 8520 Wi-Fi light is flashing

Cause Solution
  • Lost internet connection
  • Check internet connection – Network may be down
  • Control box is too far from home router
  • Relocate the control box as near to the home router as practical.  Do not use an extension cord.
  • Weak Wi-Fi signal
  • Check for adequate Wi-Fi signal strength.
  • With a Windows laptop, go to Network Connections in the Control Panel. Check Signal Strength meter under Wireless Network Connection icon while standing near the control box.
  • With a smart device, search for, download, and use an app that can check signal strength while standing near the control box. If Wi-Fi signal is weak, consider installing a
    Wi-Fi extender.
  • Connectivity issue with local Wi-Fi or connection to the server
 Contact your local internet service provider.

  • Unplug your control box and wait 10 seconds. Plug in the box again and see if lights illuminate.
  • Check Internet connection – Network may be down.

The Polaris Epic 8520 Status light is continuously flashing

Cause Solution
  • Antenna firmware update in progress.
  • Wait for the update to complete and the flashing to end. Do not disconnect the power cable from the cleaner during an update.

The Polaris Epic 8520 Power LED is blinking fast

Cause Solution
  • Firmware update in progress
  • Wait for blinking to stop, indicating update is complete. Do not unplug from power during an update.
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Most Common Polaris Epic 8520 Reported Problems

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Polaris Epic 8520 Pool Cleaner Not Working?

If you're experiencing issues with your Polaris Epic 8520 pool equipment, you're not alone. Many users have faced similar challenges and have shared their experiences to help others troubleshoot and resolve these problems.

Submit an Product Issue for Polaris Epic 8520

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