Polaris P945 Troubleshooting

If you are having problems with your Polaris P945 Pool Cleaner, you are not alone. Many Polaris P945 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 Polaris P945 [link_to_manual]

Polaris P945 Pool Cleaner Problems

Polaris P945 Flashing Lights

The LED light on the control unit of the pool cleaner flashes a specific sequence to indicate one of three possible malfunctions.

LED Flashing Solution
LED flashes once with one second interval. Unplug the floating cable from the control unit and reconnect.
If the problem is not resolved through troubleshooting, first contact your local retailer to request a diagnostic review, or contact
Polaris Technical Support at (USA) 1-800-822-7933; 1-888-647-4004
(Canada).
LED flashes twice with one second interval. Turn cleaner wheels to ensure they are not jammed.
Check brushes for debris.
Start a new cleaning cycle.
If the problem is not resolved through troubleshooting, first contact your local retailer to request a diagnostic review, or contact Polaris Technical Support at (USA) 1-800-822-7933; 1-888-647-4004 (Canada).
LED flashes three times with one second interval. Check the pump axis for debris.
Check propellor for debris.
Clean the filter.
Start a new cleaning cycle.
If the problem is not resolved through troubleshooting, first contact your local retailer to request a diagnostic review, or contact Polaris Technical Support at (USA) 1-800-822-7933.

The Polaris P945 cleaner error Indicator flashes just after start (either pressing Power or Cycle setting button for less than 20 seconds)

Cause Solution
Floating cable may not be plugged
into the control unit correctly.
Unplug floating cable from the control unit and reconnect.
Cleaner may not be fully submerged. Remove cleaner from the pool and re-submerge, see Submerging the Cleaner.
Cleaner may need to be reset and
begin a new cycle.
Press power button OFF, then Cycle I or Cycle II to begin a new cycle.
Propeller may be jammed and not
turning correctly.
First contact your local retailer to request a
diagnostic review, and if the problem is not resolved contact Polaris Technical Support at (USA) 1-800-822-7933; 1-888-647-4004 (Canada).
Tracks may be jammed and not turning correctly First contact your local retailer to request a
diagnostic review, and if the problem is not resolved contact Polaris Technical Support at (USA) 1-800-822-7933.; 1-888-647-4004 (Canada).

The Polaris P945 cleaner flashing lights appear
during the cleaning cycle

Cause Solution
Cleaner may be sucking air (lights will
appear after 60 seconds air intake).
Remove cleaner from the pool and re-submerge, see Submerging the Cleaner.

The Polaris P945 cleaner does not stay
firmly on the pool bottom

Cause Solution
There is air in the appliance casing. Remove cleaner from the pool and re-submerge, see Submerging the Cleaner.
The filter canister is full or dirty. Clean the filter canister, see Cleaning the Filter Canister.

The Polaris P945 cleaner does not or no longer climbs the pool sides

Cause Solution
The filter canister is full or dirty Clean the filter canister, see Cleaning the Filter
Canister.
Sides of pool are slippery or slimy.
Although the water seems clear, microscopic algae, invisible to the human eye, are present in the pool.
As a result the pool sides become slippery and prevent the cleaner from climbing. Check tires for wear and replace as necessary.
Do a shock chlorination treatment and slightly reduce the pH. DO NOT leave the cleaner in the pool during this treatment.

On startup the Polaris P945 cleaner does not move

Cause Solution
Not supplied with electricity. The outlet, the control unit is connected to, is not supplying electrical power. Check that the outlet to which the control unit is connected is receiving electricity.
Unit is turned ON. Check that you have started one (1) of the two (2) programs and check that the indicator for the selected program is lit. If the indicator light is not lit, turn the wheels then disconnect the control unit and wait at least 20 seconds before reconnecting. If the problem cannot be resolved through troubleshooting, first contact your local retailer to request a diagnostic review, then contact Polaris Technical Support at (USA) 1-800-822-7933.

The Polaris P945 cable is tangling in the pool

Cause Solution
Too much cable length in the water Do not unravel the entire cable length.
Place only the required length of cable in the water and place the rest on the side of the pool.
Follow the procedure in Cord Tangling to avoid and correct tangled cord.

The Polaris P945 cleaner is not cleaning effectively

Cause Solution
The brushes have become smooth or the “wear” indicator shows. Replace the brushes following the procedure in Replacing the Brushes
Filter canister is full or dirty. Clean the filter canister following the procedure in Cleaning the Filter Canister.
Floating cable is excessively coiled or kinked. Make sure the floating cable is spread out over the pool. 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.

Polaris P945 Replacement Parts

Troubleshooting a Polaris P945 Pool Cleaner

Share your Polaris P945 Pool Cleaner Problems, issues , tips, ideas, and frustrations with other owners.

  1. My P945 is cutting out before the cycle starts. I have red lights when I plug in and it defaults to 1hr30m, but as soon as I press start the cleaner shuts down.
    Any thoughts

    Reply

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