
06/08/2020
PRESSURE LEAK DETECTOR
DLR-GS ..
- 17 -
4.5 Displays and Controls
4.5.1 Display
Signal lamps
Operating Con-
dition
Refilling act
i-
vated or re-
quired
A
larm condition
A
larm, audible
alarm acknow-
ledged
Device malfunc-
tion
OPERATION:
green
ON ON ON ON ON
ALARM:
red
OFF OFF
ON BLINK-
ING
ON
REFILLING:
yellow
OFF ON
ON ON OFF
4.5.2 Function "Turn off audible alarm signal"
Shortly press "Mute" button once, audible signal turns off, the red
LED blinks.
Pressing the button again will turn the audible signal on.
This function is not available during normal operating conditions and
malfunctions.
4.5.3 Function "Testing the optical and audible alarm signal"
Press and hold the "Mute" button (about 10 seconds). The alarm will
be triggered until the button is released.
This inquiry is only possible if the pressure in the system has ex-
ceeded the "Alarm OFF" pressure.
Design and Function