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Installation instructions / ACS-2 plus
11. LEDs, buzzer and buzzer stop push-button
The LEDS, the buzzer and the buzzer stop push-button are located on the LED board in the housing cover.
For differentiation of the controller types ACS-2plus and ACS-2 plus, the ACS-2 plus from firmware 7.00 on
activates all LEDs and the buzzer while booting.
The functions of the individual LEDs are explained in the following.
The buzzer stop push-button makes it possible to reset the buzzer manually. To do so, press the push-button
at least for 3 seconds with a suitable object.