6OperationInstructions for use turboMAX pro6Resetting the applianceFig. B.9: ResetWhen a hot water tap or the central heating systemrequires heat, the boiler automatically ignites and startsto operate. If the automatic ignition is not successfulwithin 10 seconds, then the boiler does not go intooperation and switches to „Lock out“.This is indicatedvisually by the red indicator light (1). A new attempt toignite the flame can then only be performed afterpressing the „Reset“ button.• Press the „Reset“ button (2) and hold for approx. 1second.If the device still shuts off after a third attempt,then please consult your installer or VaillantService Solutions.Turning the boiler OFFFig. B.10: Setting the summer operating modeTo turn OFF the central heating only (Summer mode)• Turn the maximum radiator temperature control knobused to control the heating supply temperature (1) allthe way to the left.Hint!You can switch off the heating operation insummer, for example, but the boiler will continueto provide domestic hot water whenever a hotwater tap is opened.To turn OFF central heating and hot water for shortperiods of timeFig. B.11: Shutting down the unit completely• Turn the main ON/OFF control (2) to the „0“ position.If you want to turn the boiler OFF for a longerperiod of time (e.g. holidays), and there is nodanger of frost, then you should also turn offthe gas supply, the cold water service valve andthe electrical supply. Please note the frost pro-tection hints in this regard (next page).CoCoI0I02CoCoI0Co10I0ISTOP12max. 3 x