Dreamtech VTT1 Mode D'emploi page 28

Troubleshooting
If you need to pay attention to any abnormality during the use of the product, a prompt
will be shown on the screen. You should follow the instructions on the screen to keep the
performance normal.
Error Icon Error Message
Battery overheating
Roller brush stuck
Air duct blocked
Error
Low battery
The battery runs out
Filter is expiring
Filter uninstalled
Replace the filter
Solutions
Please wait and continue to use after motor
temperature is normal.
Refer to the maintenance guide [Cleaning the Smart
Multi-Brush Bar] section to clean the fiber material
and hairs wrapped around the roller brush.
Check whether the dust cup, carbon fiber rod,
and smart multi-brush bar are blocked.
Please contact the after-sales department for
maintenance.
Recharge soon.
Recharge soon.
Please replace the filter in time.
Ensure that the filter and pre-filter are installed
correctly.
Refer to the maintenance manual [Cleaning Filter]
section to remove the filter and replace it. After
replacing the filter, press and hold the button
for 1.5 seconds to enter the countdown to reset
the filter, then hold the button for another 5
seconds until appears on the screen.
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