Motor fell after 3 months aus.Garantiefall.Nach repairing it remains to be seen whether it is to have well-designed electrical handelt.Ich disappointed by this Markenfirma.Produkt comes from China. Update March 2015: the same error occurred again. The control unit had to be replaced again werden.Leider I stand by my Negativbewertung.Immerhin a star because the device is running again at the time ....