Service mode – operation

Starting service mode
	+	Press both buttons for 5 seconds.	Operating mode LED flashes. You are in the 1st submenu (number of unit pairs, ventilation level, etc.) → following chapters.
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Cycle: selecting parameter
		You can switch between the sub-menus by pressing the button once.	Flashing operating mode LEDs show in which submenu item you are/* → following chapters.
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* Illuminated ventilation level LEDs indicate the parameter currently set.

** For PP 45 RC, the red flashing LED indicates the currently set parameter.

Changing parameter value
		Once you have reached a certain sub-menu, the parameters can be set with these buttons.	Once the parameter has been changed, the ventilation level LEDs flash.
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Saving parameter value
		To save, press the button for 2 seconds.	The parameter value is now accepted./*
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* The ventilation level LEDs light up permanently again.

** On RC units, all 3 LEDs light up and then go out one after another. Parameter value is adopted, service menu is exited.

Exiting service mode
	+	Press both buttons for 5 seconds.	The unit switches back to the current ventilation mode/ventilation level. If no button is pressed for 120 seconds in service mode, service mode is automatically exited.
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