
31/10/2019
VACUUM LEAK DETECTOR
VLXE ..
- 15 -
4.5 Display and control elements
4.5.1 Display
4.5.2 Function: "Switch off audible alarm signal"
Briefly press the "Mute" button once. The audible alarm signal is then
switched off and the red LED flashes.
Pressing the button again switches on the audible signal.
This function is not available in normal operation and for malfunc-
tions.
4.5.3 Function: "Test visual and audible alarm signal"
Press the "Mute" button and keep it pressed (approx. 10 seconds).
The alarm signal is triggered until the button is released again.
This test is only possible if the pressure in the system has exceeded
the "Alarm OFF" pressure level.
3
(flashing) is always active when acknowledged external signal is active.
4
The “Audible alarm” button has no function, meaning the acoustic signal cannot be stopped.
Signal
lamp
Operat-
ing sta-
tus
Alarm, under-
pressure below
“Alarm ON”
Alarm
probe
Magnetic
valve fault
Device
fault
OPERA-
TION:
green
ON ON ON
ON
ON
ALARM:
red
OFF ON
(flashing)
3
OFF
ON
(flashing)
ON
4
ALARM
2:
yellow
OFF OFF
ON
(flash-
ing)
ON OFF
Design and function