Instructions for use SMARTair Evo, SMARTair Evo mobile, SMARTair Evo FLEXspace6 Operation | 6.3 Operation via foot switch34 / 46Display Suction power Malfunction ActionThe "Suction leveldisplay" LEDs ① to④ shine.The maximum ex-traction level hasbeen reached.No malfunction Reduce the extrac-tion level by press-ing the "Minus"key ⑥.The LED "Filterfull" ⑤ flashes.The suctionthreshold is almostreached.The filter bag or ul-tra-fine filter is al-most full.Replace filter bagand/or ultra-finefilter.The suction hoseor suction site isdirty.Clean the suctionhose or suctionsite.The LED "Filterfull" ⑤ shines.The suctionthreshold has beenreached.The filter bag or ul-tra-fine filter is al-most full.Replace filter bagand/or ultra-finefilter.The suction hoseor suction site isdirty.Clean the suctionhose or suctionsite.6.3 Operation via foot switch▶ Insert the cable of the foot switch ③ into the socket for the control line ②.▶ Press the "Automatic" button ④ until the "Automatic" LED ① is on.▶ Switch the suction device on and off using the foot switch ③.6.4 Adjust the suction levels321 45 6▶ Press the buttons ⑤ and ⑥ to set suction levels ① to ④.Activate the suction level defaultNoteThe suction level thus set can be saved and stays saved after the device isswitched off.▶ Press and hold the "Plus" ⑥ button and switch the power switch on.