An E01 error code is visible if there is an issue with the water flow sensors in the pool heater.

Step 1 – Check that the heater pump is set up correctly

Hose from ‘A’ to the pool heater

The arrow on the heater is facing the filter pump

Hose goes from heater into filter pump

Hose from filter pump goes into ‘B’

Step 2 – Check the filter pump

We recommend checking the filter pump troubleshooting here.

If the above steps do not fix the problem the water sensor on the heater may have broken. Please contact our Customer Care team for further support on this.

This error code is visible if there is an issue with the temperature of the water. This code will show if the water or ambient air temperature drops below 4°c.

These pool heaters are not designed to operate below 4°c. We recommend you disconnect/ unplug the pool heater and place it in a warm environment to allow the internal parts to warm up. Once warm, place the heater back on the pool ensuring the water is above 6°c.

This error code is visible if there is an issue with the temperature of the water. This will show if the water or ambient air temperature reaches above 50°c.

The heater is not designed to operate in temperatures above 50°c. Please disconnect the pump, place it in a cool environment out of direct sunlight to allow the internal parts to cool down. Once cool, place the heater back on the pool ensuring the water is below 38°c.

This error code is visible if there is an issue with the water flow sensors in the pool heater.

As this error code is visible once there is an issue with the internal parts you will need to contact us below. Please do not attempt to open up the pool heater and resolve this issue.

This error code is visible if there is an issue with the thermal cut-out on the pool heater and this requires to be reset.

To do so push the reset button on the pool heater. If the alarm is still visible button section on the pool heater manual. If this does not resolve the issue please contact our Customer Care team below.

This error code is visible if there is an issue with the fuse within the pool heater. Please do not attempt to open up the pool heater, change the fuse or aim to resolve the issue. Please contact us below for more advice from a member of our Customer Care team.

This is normally caused by an electrical issue. Please ensure that your pool heater is plugged directly into a mains socket and not into an extension lead.

If plugged into a mains socket check the socket with other items to ensure the problem is not with the socket itself.

If you are experiencing water flow issues we recommend checking the water flow troubleshooting for your pool filter pump here.

Step 1 – Check the filter pump

A problem that can cause this is an incorrect filter pump. We recommend checking the filter pump size and that it is connected properly.

Step 2 – Check pool and heater compatibility

The heater may be too small for the pool. Compatibility information can be found in the product manual.

Step 1 – Check power supply

Ensure no extension leads are being used to power the heater.

Step 2 – check for a problem with the filter pump

We recommend checking the flow through the filter pump first to see if this is causing the problem.

Check the hose connections. Ensure that the O-ring is correctly and securely in place.