Structure and function
3
Setup
27
Building Technologies
A6V10334410_h_en_--
Fire Safety
2015-09-29
Button
Action
Consequence
Press the button briefly
The buzzer switches off
Press and hold the button
(approx. 5 s)
A signal test/fault analysis is activated.
When the housing cover is open, the button takes on the function of the reset button and the alarm
outputs are deactivated. See the chapter '
Press the button briefly
The buzzer switches off.
The relay outputs are deactivated.
The 4…20 mA analog output remains on fault.
Dust indicator
1
Flashing becomes more frequent as the dust density increases.
LED status
Meaning
Off
Normal operation
Slow flashing
Low dust value
Fast flashing
Medium dust value
Permanently on
High dust value
1
FDA241 only