User logs in to the OLISS web side, clicks "Maintenance → Monthly maintenance" in order to enter the monthly maintenance interface, selects the maintenance tasks with the maintenance period of "Irregular" or "Temporary", the "Delete" button will appear on the right side of the irregular and temporary maintenance tasks, clicks "Delete" on the right side of the target maintenance task, and clicks "OK" in the confirmation pop-up window.

How to delete irregular or temporary maintenance tasks on the web side (Document).pdf