Brennenstuhl CO Detector BCN 1221 - Manual (Page 29)

will be stored for 12 hours. The indication that an
alarm incident has occurred and is recorded in the
memory function is given by a short peep every
8 seconds. The user can reset/deactivate the
memory function by pressing the test button until
an alarm sounds.
Self diagnosis:
Automatic sensor testing every 8 seconds for
optimal alarm readiness.
Empty battery warning:
If the battery output decreases, the detector will
emit 2 peeps. The LED FAULT will blink every
8 seconds.
Fault warning:
If the detector detects a fault it will emit 2 peeps.
The yellow LED FAULT will blink every 8 seconds.
Warning at the end of the alarm’s operational
lifetime:
If the CO-detector reaches the end of its opera-
tional lifetime, it will emit 3 peeps. The yellow LED
FAULT will blink once per minute.
When this happens, the detector must be re-
placed.
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BCN 1221 Operating Instructions
043909 CO-Melder BCN 1221-0 14.01.15 21:03 Seite 29