User manual
LED signals and error messages
35
7 LED signals and error messages
The current mode of the smoke alarm is indicated optically and audibly
by the following signals:
Operating mode
Operating status LED display Audible alarm
Observation mode red ashing every
43 sec.
-
Smoke alarm red ashing and
emergency lighting with
subsequent LED ash-
ing for 24 hrs (double
ash every 43 s)
audible alarm signal
Functional test
Operating status LED display Audible alarm
Function test OK Fast red ashing and
emergency lighting while
function test is active
with subsquent LED
ashing for 10 min
(single ash every 10 s)
3 x alarm sound
Function test not OK - -
Error messages
Operating status LED display Audible alarm
Weak battery 1 x red ashing every
43 sec.
Short beep every 43 sec.
Smoke chamber
polluted
3 x red ashing every
43 sec.
3x short beep every
43 sec.
Devices with weak or empty battery or degraded smoke chamber
may not be used and have to be replaced!