H15pro super speed warm not working

Hi,
On my H15 pro there are 2 speeds to warm brushes after cleaning fast speed (30 mins) super sped (5mins)
I tried to activate super speed and it does not work nothing change and the h15 still warms during 30 mins
Is there a bug?

Thanks

Dear BG769244，

Regarding your question about H15 pro, we recommend:

Hello! The machine can choose the 5min or 30min mode for drying after self-cleaning. If only the drying task is performed, the drying time is 30min.Please start fast drying after self-cleaning.

If the above method does not work, please press and hold the self-cleaning + voice button to restore the factory settings, and then reconnect to the network.

If the above steps still do not work, please contact our after-sales department and provide the SN number and invoice of the device. Our after-sales department will give priority to your case.

If you need further assistance, please provide your service ticket number or contact us via me > Help & Feedback > Contact us > Online Customer Service.

Dear support team,

Your explanation is confusing

I performed a self cleaning = ok
I selected super fast dry = it says 30 mi's when i activate the dry function by pressing 3sec the wave button

Is there a problem?

This is when i select fast dry normal mode

This is when i select super fact dry and nothing changes in the app as you can see on top the dry mode remai's the same it seels there is a problem in the app