Please refer to the following tips when cleaning stubborn stains on your floors:
- When cleaning stubborn stains, it is recommended to run the vacuum cleaner over stains slowly.
- Use steam mode (MACH V1 Ultra only) to clean stubborn stains), it is recommended to let the steam nozzles spray the stains for up to 30 seconds in order to soften the stains. Please make sure not to exceed 30 seconds. How to Use the Steam Mode for the MACH V1 Ultra
- It is also recommended to turn on the floor cleaner switch to use a cleaning solution to effectively remove stubborn stains.
If you have any further questions, please contact eufy support engineers for assistance.