For your reference, please refer to the steps to troubleshoot:
1. Confirm that the dust compartment or filter is properly installed and securely fitted in place. An incorrectly installed compartment can cause the robot vacuum to detect a fault.
2. Rinse the filter and gently tap its edge repeatedly to remove any dirt until it is clean.
3. Open the dust compartment cover, fill the dust compartment with clean water, and clean the dust compartment.
4. If the issue remains, please contact the after-sales service center for the hall sensor inspectio