HumanTechnik lisa Bedienungsanleitung Seite 50

9.3 Signalling at night (between 10 pm and 6 am CET*)
Audible alarm
Off
Once every
48 seconds
9.4 Signalling after acknowledgement
Audible alarm
Switched off for
24 hours after
pressing the test
button
Switched off for
24 hours after
pressing the test
button
* Central European winter time
50
LED
Flashes every
48 sec. dimmed
Flashes every
8 seconds
LED
Flashes every
48 seconds
Switched off
for 24 hours
after pressing
the test button
Cause
Normal
operation
Malfunction
Cause
Battery low
Malfunction
(low battery is
not indicated at
night)
What needs to be done?
Replace smoke detector
with new one. Acknowledge
by pressing the test button.
What needs to be done?
Smoke detector is still rea-
dy for operation, but should
be replaced with a new one
after a period of 30 days at
the latest (change of bat-
tery not possible).
Smoke detector is out
of order and has to be
replaced by a new one.