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6. What to do in case of an Alarm?
INDICATION CAUSE ACTION
Central Unit:
• The red diode is ON
• Constant sound signal
Display:
• Sensor number, O2 % and
Gateway Alarm A
ALARM!
TAKE PRECAUTIONS
Low concentration of O2
DO NOT ENTER the risk zone.
Evacuate the area if O2 level is
under 19.5%.
Central Unit:
• The yellow diode is blinking
• Beeping sound signal
Display:
• Sensor number,
(Fault information)
SYSTEM FAULT Check the manual,
communication cables and
O2-Sensor.
If no fault is found, call service.
After an alarm, always reset
the system.
ALARM RESET Press reset button on Central
Unit until ”Alarm cleared!”
is shown in the display
Test the alarm to insure that
communication, warning lamps
and sounders function.
ALARM TEST Press reset button on Central
Unit until ”Testing system”
is shown in the display
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