Accessibility Statement

Error notification: Bonnet Removed (after installing LitterHopper)- Yellow flashing light

  • Update Firmware

  • Make sure LitterHopper is mounted correctly

  • Make sure bonnet is installed with NO gaps

  1. Confirm in the Whisker app that your Litter-Robot 4 is updated to firmware version 1175.5021.292 or above.

Visit our Firmware update instructions to learn how to update your Litter-Robot's firmware.

  1. Refer to the installation guide to reinstall the LitterHopper and the bonnet. Ensure the bonnet and base align with no gap between them.

  • Ensure there is no gap between the bottom of the LitterHopper and the Litter-Robot 4 base.

  • Verify the hook tab engages the slot in the bonnet.  

Successful: If you no longer receive the “Bonnet Removed” error from your unit and your app, and your unit dispenses litter and displays a blue light bar, you’ve been successful. 

Unsuccessful: If the app still displays the same error message, there's likely an issue with your new bonnet. Please contact Customer Experience for assistance. 


Issue not resolved?

Please contact our Customer Experience Team for further assistance.

Need Technical Support?

Our Troubleshooting Wizard will solve most issues and is the fastest way to get help.

Troubleshooting Wizard

You will likely need a new LitterHopper.

  1. Disable the LitterHopper by long-pressing the Cycle and Connect buttons on the control panel for 3 seconds or by tapping the “Disable” toggle button in the app.

  2. Remove the LitterHopper by lifting it up and away from your Litter-Robot 4.

After receiving the replacement LitterHopper, follow the installation instructions carefully. Test the device to ensure proper functionality and contact Customer Experience if you encounter any issues.


What do I do?

My LitterHopper is under warranty

The LitterHopper automatically includes a 1-year warranty, regardless of if your Litter-Robot 4 is still under warranty. If you purchased your Litter-Robot 4 and LitterHopper together and bought the WhiskerCare Extended Warranty, the LitterHopper will be covered under your WhiskerCare Extended Warranty. Please contact our Customer Experience Team for further assistance.

The warranty on my LitterHopper has expired

If your LitterHopper is no longer under warranty, you will need a replacement LitterHopper.

Parts Needed (choose one):

Didn't find what you're looking for?

Phone and Chat support available Mon-Fri: 9AM-7PM EST and Sat: 9AM-5PM EST, or submit a ticket anytime.