Lay-Z-Spa - How to fix an EO2 error

** New updated EO2 troubleshooting:    • Lay-Z-Spa - How to fix an EO2 error   **

The EO2 error can affect all AirJet™ and HydroJet™ Lay-Z-Spa hot tubs. There are a number of causes which can be fixed quickly and easily.

Cause 1: Dirty filter
A dirty water filter can cause water flow issues resulting in an EO2 error. We therefore advise that you clean it regularly.
Step 1: Remove the filter housing
Step 2: Remove the filter
Step 3: Clean the filter using warm water
Step 4: Leave to dry before reinstalling
Step 5: Restart pump. Reset, test, reset (If your pump has a have PRCD).

Cause 2: Stopper Caps
Leaving the stopper caps on inside the spa when operating the pump can cause an EO2 error
Step 1: Remove the stopper caps
Step 2: Turn the pump off and at the power supply
Step 3: Restart pump. Reset, test, reset (If your pump has a have PRCD).

Cause 3: Filter Housing Issue
Water temperature changes can sometimes cause small cracks to form inside the housing. Blockages can also form.
Step 1: Turn the spa off and remove the filter housing
Step 2: Remove the filter from the housing
Step 3: Clean the filter housing and check for cracks or damage. Replace or reinstall.
Step 4: Restart pump. Reset, test, reset (If your pump has a have PRCD).

Cause 4: Kinked or bent pipes
Poor water flow through the plastic pipes of the liner can cause an EO2 error
Step 1: Place stopper caps inside the spa and detach pump
Step 2: Check the liner and pump pipes by using a torch or camera
Step 3: If there is a kink or bend, try to manipulate them out.
Step 4: Restart pump. Reset, test, reset (If your pump has a have PRCD).

Cause 5: Perished Washers
The washers within the spa couplings may have become perished or worn
Step 1: Place stopper caps inside the spa and detach pump
Step 2: Check the washers inside the coupling for damage
Step 3: Unscrew the couplings and remove the washer for further inspection
Step 4: Restart pump. Reset, test, reset (If your pump has a have PRCD).

Cause 6: Debris Screens are blocked
Debris screens can become blocked especially in hard water areas due to calcium build-up.
Step 1: Place stopper caps inside the spa and detach pump
Step 2: Empty the spa fully of water and place a running hose inside the pipes. Repeating from outside and inside the spa.
Step 3: Use a toothbrush to remove and stubborn debris
Step 4: Restart pump. Reset, test, reset (If your pump has a have PRCD).

Cause 7: Water Flow Sensor Issue
Thermal Rest is required:    • Lay-Z-Spa Pump - How to do a Thermal ...  

Cause 8: Water Flow Issue
Backwash Procedure:    • Lay-Z-Spa Pump/Heater - How to Backwa...  

Things to check to prevent any future issues:

1) Check your water level is correct: The water flow sensors will not detect the water properly if the water is below the minimum line on the spa liner

2) Ensure you clean your filters regularly or after every use (This will depend on your usage)