Nexxus Core Connection

Connecting Your Nexxus Core

Before beginning setup, please verify the following:

• Your phone has Wi-Fi enabled

• You are standing near the Nexxus Core

• Your home Wi-Fi signal reaches the Nexxus installation location

• The Nexxus Core has properly installed AA batteries

• Both battery cable connections are fully clipped in

Step 1: Open the Oasis Water Technologies App

Open the Oasis Water Technologies App on your iPhone or Android device.

Sign in to your Oasis Water Technologies account.

First-time users may also sign in using:

• Google Sign In

• Apple Sign In

Important

If you have already created an account on OasisWaterTechnologies.com, sign in to the mobile app using the same email address and password associated with your website account.

Creating an account on the website does not automatically sign you into the mobile app. Before connecting your Nexxus Core, please log in to the app using your existing Oasis account credentials.

Step 2: Open the Nexxus Connection Screen

You can access the connection screen in one of two ways:

Option A

Select the blue Filter Life button located at the bottom center of the Home Screen.

Option B

Select the My Devices tab located at the bottom-right corner of the Home Screen.

Step 3: Begin Device Connection

Follow the on-screen instructions to begin setup.

When prompted, open your phone's Wi-Fi settings and connect to the temporary Nexxus Core Wi-Fi network.

The network name will appear similar to:

OASIS_WATER_OWRT00000X

Important

While connected to the Nexxus Core Wi-Fi network, your phone may display:

• Weak Connection

• No Internet Connection

This is completely normal during setup.

Remain connected to the Nexxus Core network until you are returned to the Oasis Water Technologies App.

Step 4: Enter Your Home Wi-Fi Credentials

After successfully connecting to the Nexxus Core Wi-Fi network and returning to the Oasis app:

• A purple Wi-Fi credentials window will appear

• Enter your home Wi-Fi network name and password

• Tap Submit

You will then receive the confirmation message:

"Wi-Fi Credentials Sent"

Step 5: Reconnect Your Phone to Your Home Wi-Fi Network

After sending your Wi-Fi credentials:

Important

Your phone must reconnect to your normal home Wi-Fi network.

Many users accidentally remain connected to the Nexxus Core temporary Wi-Fi network and wait indefinitely for registration to complete.

The Nexxus Core  cannot finish registration until your phone reconnects to your home Wi-Fi network.

Step 6: Registration Complete

Once registration is successful, you will see:

"Registration Successful"

Your Nexxus Core  is now connected.

Verifying Your Nexxus Core Connection

You can verify a successful connection in one of two ways:

Option A

Select the blue Filter Life button.

Option B

Open the My Devices tab.

You should now see:

• Your connected Nexxus device

• Your Nexxus serial number

Troubleshooting

I Never Received the Purple Wi-Fi Credentials Window

1. Completely close the Oasis Water Technologies App.
2. Press the Reset Button on the Nexxus Core once.
3. Verify that the yellow and green LEDs begin flashing near the processor chip.
4. Reopen the app.
5. Restart the setup process.

The Nexxus Core  Wi-Fi network should appear again.

I Received "Wi-Fi Credentials Sent" But Never Received "Registration Successful"

This usually means your phone never reconnected to your home Wi-Fi network.

To resolve:

1. Close the Oasis Water Technologies App.
2. Press the Reset Button once.
3. Verify the yellow and green LEDs begin flashing.
4. Restart the setup process.
5. After sending credentials, reconnect your phone to your normal home Wi-Fi network.

My Nexxus Core Will Not Connect

Please verify the following:

• Both AA batteries are installed correctly

• Both battery cable connections are fully clipped in

• Your home Wi-Fi signal reaches the installation location

• Wi-Fi is enabled on your phone

• You are standing near the Nexxus Core

If needed:

• Replace both AA batteries

• Reset the Nexxus Core  

• Restart the setup process

Important Coverage Information

The Nexxus Core  requires a stable Wi-Fi signal at the installation location.

If the system is installed in an area without usable Wi-Fi coverage, setup and registration cannot be completed successfully.

Need Additional Help?

For additional support:

Live Chat: Available within the Oasis Water Technologies App

Email: support@oasiswatertechnologies.com

Live Nexxus Core  Connection Demo

Watch a complete step-by-step connection walkthrough:

Nexxus Core  Live Connection Demo