"Check Cassette" alert - WaterGuru TREAT

If you get a "Check Cassette" Alert in the WaterGuru app, it means that one or more of the following is occurring:  

• The cassette is missing - There is no cassette loaded
• The cassette is loose or not fully inserted - You should hear a snap when the cassette is fully loaded
• The cassette is empty - The cassette has exhausted the 170 pads or the cloud is reporting "empty"
• An error occurred when reading the cassette chemistry pads

Troubleshooting:

• Click here and follow the instructions to remove the outer housing to access the TREAT cassette
• Check to see if a cassette is loaded
  • If a cassette is not loaded, insert a cassette.
  • Tap Supply Levels in the app
  • Update Supply Levels to show that you added a new cassette
• Check to see that the cassette is inserted completely. 
  • Take the cassette out and re-insert it.
• Check to see if there is debris in the bottom part of the unit where the cassette pads read the water sample. 
  • Take the cassette out, remove any debris at the bottom of the cassette well. 
  • Using a soft cloth, wipe the optical window (shown in the image below on the right-side) clean in the Sensor unit at the bottom of the cassette well. 
  • 
  • Reinsert the cassette
• Click here and follow the instructions starting at Step #13 to replace the housing and ensure the TREAT is mounted on top of the skimmer

If the issue persists, you may also contact WaterGuru Customer Support at support@waterguru.com WaterGuru Support can check the unit remotely for you.