Brennenstuhl CO Detector BCN 1221 - Manual (Page 27)

ALARM SIGNAL & LED- DISPLAY
Note:
■ ■ ■ means “peep, peep, peep”
27
BCN 1221 Operating Instructions
Detektor function Green
Energy display
Power Red
Alarm signal
Alarm Yellow
Fault signal
Fault Alarm Sond
Normal operation Blinks once per
Minute ☼ - - -
Alarm condition - 4 peeps +
blinks ☼ - ■ ■ ■ ■ - 1s -
■ ■ ■ ■ - 1s -
■ ■ ■ ■ …
Mute function (Hush)
under alarm and alarm
conditions - 4 blinks ☼ - -
Pre-alarm signal CO
Level (40 ppm or
higher concentration
detected) - Single blink
every 8 se-
cond until
Alarm ☼ - -
Memory function
shows that the alarm
was active for some
reason (not from test
button) - - - ■ -- 8s --
■ -- 8s -- ■
1 peep every 8 se-
conds.Press but-
ton once to return
to normal mode
Empty battery –
warning - - 1 peep + blink
per minute ☼ ■ - 1 min -
■ - 1 min -
■ …
Sensor fault - - 2 peeps + blinks
every 8 seconds
☼ ■ ■ - 8s -
■ ■ - 8s -
■ ■ - 8s - …
Warning: End of
sensor’s operational
lifetime - 3 peeps + blinks
every minute ☼ ■ ■ ■ - 1 min -
■ ■ ■ - 1 min -
■ ■ ■ …
043909 CO-Melder BCN 1221-0 14.01.15 21:03 Seite 27