Question about Polaris 3900 Sport Pool Cleaner ()

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My Polaris 3900 Sport is on it's side. I turn it back up on all 3 wheels and it hits the side of the pool and goes back on it's side again...going in circles.

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With these automatic pool cleaners, if they are not staying firmly on the bottom of the pool, it is most likely that there is air in the appliance casing.Try submerging your cleaner. Keep the cleaner vertical while you are putting it in slowly to let the air out. Ensure the unit sinks to the bottom of the pool.

Posted on May 26, 2011

  • albert_delme
    albert_delme Jan 29, 2012

    Hi Jessica, if it falls over, generally all the air bubbles escape - you don't seem to give good advise in general!!!
    Check that the float located in the top body does not have water in it.
    Check hose floats are correctly spaced.
    Check rpm are 32-36.
    Check the venturi jets are not blocked.

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1 Answer

Sport 3900 is doing wheelies will not stay level to clean


1. Check the wheel RPM. If not in the 30-36 RPM range, refer to the manual for adjusting the wheel RPM.

2. Adjust the thrust jet downward.

3. Verify the backup valve is cycling. Lift the valve out of the water and watch the jet. It should come on and go off.

4. Check for water inside the head float.

5. Empty the filter bag.

You can download the 3900 Manual from the Polaris site
http://www.polarispool.com/Pressure/Polaris-3900.aspx


It will show you how to check the wheel rpm and how to adjust the thrust jet and check and adjust the float.

Jul 06, 2014 | Polaris 3900 Sport Pool Cleaner ()

1 Answer

Polaris 3900 wheels don't turn


if good pressure at wall and filter is ok check inside to see if hoses are off or belt broken

Dec 23, 2012 | Polaris 3900 Sport Pool Cleaner ()

1 Answer

Polaris 3900 wheels won't turn


check inside see if belts or hoses came off

Oct 20, 2012 | Polaris 3900 Sport Pool Cleaner ()

1 Answer

Why aren't my wheels turning? We bought a new booster pump, thinking that was the problem but they are still not turning.


look to see if pressure at pool side then check inside unit to see if hoses or belts or wheel gears ok

Sep 30, 2011 | Polaris 3900 Sport Pool Cleaner ()

1 Answer

It goes in circles.


Theres a problem with the single side wheel. contact a polaris rep or dealer to get a free replacement. design flaw with this model

Nov 07, 2010 | Polaris 3900 Sport Pool Cleaner ()

1 Answer

My polaris 3900 moves across the pool with the front wheel of the bottom, the wheel on the 1 wheel side and the back wheel are on the bottom.


Check your wheel RPM. If the pool cleaners RPM is over 32, reduce the water flow so that the cleaner makes proper contact with the pool's surface. Verify the back-up valve is cycling. Lift the valve out of
the water and watch the jet. It should come on and go off. You might also need to adjust your thrust jet if it is causing the cleaner to lean too far to one side.

Oct 11, 2010 | Polaris 3900 Sport Pool Cleaner ()

2 Answers

My Polaris 3900 Sport Pool Cleaner's doing tight circles in the pool because the single left-side wheel is not turning at all, while the 2 right wheels are turning normally. How do I fix it?


I had a similar issue. When I lifted the unit out of the water while it was operating only the single wheel was rotating. I turned it off and removed the bag and hose. I flipped it over on a workbench and unscrewed the three recessing screws securing the base plate. Once the plate was removed I noticed the metal chain driving the two wheels had come off on the far side of the inner sprocket. I worked the chain back onto the sprocket and tested it by rotating the single wheel and verifying the other two wheels rotated. After reassembly I put the unit back in the pool and it drove straight and high on the sides. Hope this helps someone :-)

Aug 21, 2010 | Polaris 3900 Sport Pool Cleaner ()

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