PI - 32.15aProduct Documentation of the LSN Radio Fire Detection System
Seite 26 von 32
601-F.01U.002.708
A3.en / 28.12.2004
ST-FIR/ PRM1 / deh
8. LED Displays
8.1. LED (red) on RF smoke detector DOW 1171
Flash cycle Timing diagram [ms] Cause
Slowly 1x/2s
80
1920
New logon
Rapidly 3x/2s
80
80
80
80
1600
80
Renewed logon
Long 1x/2s
320
1680
System search
Slowly to rapidly Field strength flashing
1x/1s
80
920
Field strength very low
2x/1s
80
760
80
80
Field strength low
3x/1s
80
600
80
80
80
80
Field strength moderate
4x/1s
80
460
80
80
80
80
80
80
Field strength high
Very rapid 6x/1s
80
80
80
80 80
80
Fault, defect
Slowly 1x/1s
80
920
Fire alarm
8.2. LEDs on RF expansion module FK 100 LSN
LED
Display
red yel-
low
green
Cause
Rapid flashing x x Frequency search
Rapid flashing x RF smoke detector logon
Rapid flashing x Initial set-up without WinPara
Rapid flashing x Conflict mode
Slow flashing x Radio cell system configuration
Slow flashing x Standby mode
Slow flashing x Fire alarm
Steady light x Sabotage alert (expander opened or de-
tector twisted out of base)
Steady light x Normal mode
Timing diagram [ms]
Display Timing diagram [ms]
Rapid flashing, 4Hz
125
125
125
125
125
125
125
Slow flashing, 0.5Hz
1000
1000
Steady light