Why do some radiators only show the time and 7º when I activate the programming during the time when they are programmed to be off?

This is due to the fact that some radiators have the anti-frost mode activated. To change the programming or the advanced options of all the radiators in the zone you should access the menu pressing the 3 points and choose the advanced options where you have all the options to change all the radiators within the zone. The Delta Ultimate product will always maintain the last configuration received whether it is changed on the control panel of the product, changed individually from the application or changed within a zone where it is located.

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