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2. Other Alarm Visual and Audible Indicators
Operational Mode
Normal (standby)
Test (button press when
no alarm condition is
present)
CO Alarm Memory (unit
has experienced a CO
alarm event or 100 ppm
or more CO within the
last 14 days)
Peak Level CO
K7DCO only
CO alarm reset
* NOTE: CO levels up to 30ppm can occur under normal non-dangerous conditions. Such conditions could include
Visual Indications
Green LED blinks approx every
30 sec.
Green and amber LEDs illuminate.
Red LED blinks in sync with beep
pattern.
Model K7DCO digital display will
show 3 dashes and then "888".
Red LED blinks every 60 sec.
Digital display shows the highest
CO reading between 11 and 999
ppm since the peak level was
reset.*
Red LED continues to signal the
alarm pattern.
Audible Indications
4 loud pulses, a pause,
4 loud pulses.
Single beep
None.
None.
After button push: CO
alarm pattern stops.
Action/Note:
Perform test button press
once a week to verify proper
alarm operation.
Model K7CO: Push button to
clear Alarm Memory.
Model K7DCO: Push Test/
Reset while the Peak Level
button is depressed to clear
Alarm Memory.
Push test/reset button while
peak level button is depressed
to clear peak level memory.
present or if it experienced a
nuisance situation. Re-alarm
means danger. Move to fresh
air and call 0800 111 999.
5
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