Hayward Aquanaut 450 Troubleshooting

If you are having problems with your Hayward Aquanaut 450 Pool Cleaner, you are not alone. Many Hayward Aquanaut 450 owners experience issues with their pool cleaner from time to time, and it can be frustrating to deal with these problems.

I have problems with my Hayward Aquanaut 450

Hayward Aquanaut 450 Pool Cleaner Problems

Below are common issues and solutions for the Hayward Aquanaut 450:

The Hayward Aquanaut 450 doesn’t move or moves too slow.

Solution:

  • Check wheel RPM.
  • Obstruction in the cleaner itself. If there was an obstruction make sure vanes are replaced correctly.
  • The pump may be turned off or on low speed.
  • The pump may not be primed. Check for leaks in the system (symptoms–bubbles from the returns ?) Possible other problem or obstruction in the system. Pump impeller blocked? Filter needs backwashing. Clean pump basket, skimmers.
  • Turbine vanes/blades in wrong direction and/or wrong side.
  • Problem or obstruction in the system.
  • Obstruction in the cleaner itself.
  • Low wheel RPM (insufficient flow).

The Hayward Aquanaut 450 right wheel will not turn when rotated by hand. (looking from behind)

Solution:

  • Obstruction in the cleaner itself.

The Hayward Aquanaut 450 right wheel skips teeth when rotated forward by hand. (looking from behind)

Solution:

  • Wheel hub or right drive gear worn/damaged.

The Hayward Aquanaut 450 loops in the hoses won’t come out.

Solution:

  • The hoses have been stored in a coiled position. Lay them straight in the sunlight.
  • Clean swivel on cleaner head by running it under a tap.
  • Leaf canister it may be in wrong place or not floating.

The Hayward Aquanaut 450 turns in circles, it wont go straight at all.

Solution:

  • Wheel hub and/or large drive gear and/or steering slide assembly and/or right drive gear are worn or damaged.

The Hayward Aquanaut 450 does not clean the entire pool.

Solution:

  • The hose is too short.
  • The float(s) may be in the wrong position. Should be 0.5 to 0.63 metres from cleaner head
  • The Hose Cone Swivel (on the turbine cover) may be dirty.
  • The return fittings may be pushing the cleaner hoses away.
  • Point them down.

The Hayward Aquanaut 450 climbs the wall too much or climbs out.

Solution:

  • The tire treads and skirts may be worn down.
  • Too much suction or flow.
  • You are not using the Bypass Valve (if hook up is in skimmer).
  • Auto skim plate/vac plate needs adjustment.

The Hayward Aquanaut 450 won’t climb the wall.

Solution:

  • Too little suction or flow.
  • Float may be in the wrong position.

The Hayward Aquanaut 450 when the pump turns off the hoses pop out of the skimmer or suction inlet.

Solution:

  • Make sure hose cone is properly placed into inlet/port/water gate.
  • Air in system. When pump shuts off air goes path of least resistance and pops out the hose. Fix air leak.

The Hayward Aquanaut 450 Wheels are wobbly.

Solution:

  • Bearings are worn please replace.

The Hayward Aquanaut 450 falls on its side and takes too long to recover.

Solution:

  • The float(s) may be in the wrong position or missing.
  • The hose is too short.
  • The return fittings may be pushing the cleaner hoses away.
  • Check wheel RPM.

The Hayward Aquanaut 450 Turbine vanes /blades pop out of turbine.

Solution:

  • Wrong side of vane in the turbine hub. Large oval side should be in turbine.
  • Turbine hub possibly worn.

Hayward Aquanaut 450 Replacement Parts

How to Diagnose and Repair a Hayward Aquanaut 450

This guide will help you identify and resolve issues with your Hayward Aquanaut 450 Pool Cleaner.

Hayward Aquanaut 450 Pool Cleaner Troubleshooting

Share your Hayward Aquanaut 450 Pool Cleaner Problems, issues , tips, ideas, and frustrations with other owners.

  1. installed a new a HA 450 and has worked great for about one month. now when it reaches a wall it falls on it side and stays that way until I manually have to correct it. I can see no obvious damage to the unit.
    The pump and filter are working as the should.
    any advise greatly appreciated.

    Reply

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