Please note that the descaling process will take a while to complete since the vacuum will need to first use up all the water in the clean water tank before the vacuum proceeds to the next stage in the process. If the user has accidentally turned on descaling mode and prefers to stop the process, the user can simply lift up the MACH V1 vacuum from the charging base in order to pause the descaling process.

Please refer to the following article for detailed information regarding the descaling process:  

How to Enable the Descaling Mode for the MACH V1 Ultra