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WHAT THE LIGHTS AND ALARM TONES MEAN
During Power Up (or After Power Outage)
Green light ON. Yellow & red lights OFF.
Horn “chirps”. Digital Display: Dash appears
by “READY”.
During an Alarm
Green light ON. Yellow light OFF. Red light
FLASHES. Repeating horn pattern: 4 beeps, pause,
4 beeps, pause. Display: Shows CO levels in ppm.
During Normal Operation
Green light ON. Yellow & red lights OFF. Horn Silent.
Digital Display: Dash appears by “READY”.
During Alarm Malfunction
Green light ON. Yellow light ON. Red light FLASHES.
Horn “chirps” about twice a minute. Digital Display:
“Err”
During Normal Test
All three lights flash briefly. Horn pattern repeats
twice: 4 beeps, pause, 4 beeps, pause. Digital
Display: “888”
Using the Silence Feature in Alarm
Green light ON. Yellow light OFF. Red light
FLASHES. Horn silent for 4 minutes. Refer to “Using
the Silence Button” for details on the Silence
feature. Digital Display: Shows CO levels in ppm.
READY
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CLEAR
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