If the machine displays “K_data_update_error,” open Mine → Data Update and download the data again. This error usually appears when APP data loading was interrupted after an upgrade, leaving some data incomplete. If the data update still cannot be completed, restore the machine to factory settings and then upgrade the APP again. Allow all required data to finish loading before turning off the machine or interrupting the APP.
What the Error Means
The documented symptom is the “K_data_update_error” message. Its usual cause is an interruption during the APP data-loading process after an upgrade. Because the loading process did not finish, the machine may be missing required data or may contain incomplete data.
A general data update error may also occur when the network connection is unstable during the update. This is a separate possible condition to check when the machine cannot complete the download.
Checks and Fixes
- Run the data download again. On the machine, go to Mine → Data Update. Download the data again so the machine can complete any missing or incomplete data.
- Try another network if the update cannot proceed. Connect the machine to a different Wi-Fi network or use a mobile hotspot, then return to Data Update and run the update again.
- Use the documented recovery step if the update still cannot finish. Restore the machine to factory settings, and then upgrade the APP again.
- Let the post-upgrade loading process finish. When using the machine for the first time after the upgrade, wait for the APP to load and download all required data. Do not interrupt the process or turn off the machine before loading is complete.
Expected Result and Verification
After running Data Update again, the machine should complete the missing or incomplete data download. The key verification is that the APP finishes loading all required data without being interrupted.
If changing the Wi-Fi connection or using a mobile hotspot allows the update to complete, an unstable network connection may have affected the earlier attempt. If the update remains incomplete, proceed with the documented factory-settings restoration and APP upgrade.
Prevent the Error After an Upgrade
After upgrading the APP, allow extra time during the machine’s first use for all required data to load and download. Keep the machine on and avoid interrupting the APP while this process is underway. If “K_data_update_error” appears again, repeat the data download first; use factory settings and upgrade the APP again only when the data update cannot be completed.
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