Siemens FDA241 Technical Manual page 27

Button
Dust indicator
1
Building Technologies
Fire Safety
Action
Press the button briefly
Press and hold the button
(approx. 5 s)
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 'Internal indicator [➙ 28]'.
Press the button briefly
Flashing becomes more frequent as the dust density increases.
LED status
Off
Slow flashing
Fast flashing
Permanently on
FDA241 only
1
Consequence
The buzzer switches off
A signal test/fault analysis is activated.
The buzzer switches off.
The relay outputs are deactivated.
The 4...20 mA analog output remains on fault.
Meaning
Normal operation
Low dust value
Medium dust value
High dust value
Structure and function
Setup
A6V10334410_h_en_--
2015-09-29
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