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Why can't Single/All Passwords be cleared?

Last Updated on2020-10-27 10:02:32
Why can't Single/All Passwords be cleared?
[Single password] Problem analysis: 1) Clearing a single password has expired 2) Clearing a single password will become invalid after being used successfully for one time. 3) The door lock's hardware clock RTC skew is too large (remove the minute, and round the whole point, be inconsistent with the cloud) Guidance suggestions: 1) Confirm whether the clearing single password has expired. 2) Confirm whether the clearing single password has been used. 3) Confirm whether the door lock MCU performs hardware clock RTC calibration automatically. [All passwords] Problem analysis: 1) Clearing all passwords will be invalid automatically after obtaining if it is not used within 24h. 2) Clearing all passwords will become invalid after being used successfully for one time. 3) The door lock hardware clock RTC offset is too large (remove the minutes, round off, and it is inconsistent with the cloud) Guidance suggestions: 1) Please use the clearing all passwords immediately within 24h after obtaining. 2) Confirm whether the clearing all passwords has been used. 3) Confirm whether the door lock MCU performs hardware clock RTC calibration automatically.
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