Structure and function
Setup
3
24 | 72
Building Technologies
009122_h_en_--
Fire Safety
2016-05-04
3.2.3.2 Status display for the lines
One green (a) and one red (b) LED indicates the status of each input/output (LEDs
with position numbers 9a, 9b and 10a, 10b). Their meaning depends on how the
input/output is configured.
Input/output is configured as an input (detector line or contact input)
– Position numbers 9 and 10
Operating condition
Flashing mode
Graphic
Not active
No supply
Incorrectly configured
Both LEDs off
Standby
LED(a) lights up green
continuously
LED(b) off
Alarm / Active
LED(a) off
LED(b) lights up red
continuously
Fault:
Open line
Short-circuit
Deviation in terms of
monitoring
resistances (only in
the case of a contact
input)
LED(a) lights up green
continuously
LED(b) lights up red
continuously
Triggered / Activated in
inspection mode/test
mode
LED(a) off
LED(b) flashes red every
second
t
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[s]
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[s]
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11
[s]
