13
7.2 LED (Light Emitting Diode), buzzer and display indications
Indication Explanation
Green LED on Unit in operation
Red LED on and
constant sound signal
Alarm. Ambient O2 concentration level is under or over the alarm
settings. The display on the O2 sensor will show the current O2 level and
the information text: “EVACUATE AREA: Very critical O2 level!”.
If the O2 level is under 19.5%, evacuate the area.
The Central Unit will emit constant sound signal and the digital display
will show “Gateway Alarm A”. Connected remote horns/strobes will be
activated.
Yellow LED on and
intermittent audible
tone
Error. The display on the O2 sensor will show “Sensor error” or “System
error”, together with an information text.
A beeping tone will be made by the Central Unit. The error will be
described in the display of the Central Unit until the fault has been
rectified and cleared/reset on the Central Unit.
To Next Page
Loading...
