7
Wiring Step
Insert a flathead screwdriver into the square holes and insert the wire into the circle holes, then
release the screwdriver and ensure the cable is locked.
Note:
power off all devices when wiring, do not touch the bare wires after the device is powered
on.
2.4 LED and Button Patterns
Status/Function
LED
Buzzer
Warm-up Time (about 180s)
All Blinks
Beeping twice when the
warm-up complete
Work Properly
Steady Power Light On, While
Other Lights Off
/
Abnormal Working/
Collection/Output
Steady Fault Light On, While
Other Lights Off
Beep Once Every 0.5s
Threshold Alarm: 8% LEL
Steady Alarm Light On, While
Other Lights Off
Keep Beeping
End of Working Life
Invalid Light Blinks, While
Others Off
Beep Once Every 0.5s
Test: Press the button (≤3s)
when device is working properly
All Lights Blink until the Test
Complete
Beep 1s
