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English
In rooms in which the alarm could be triggered by disturbance variables
(steam, condensation, “normal” smoke, vapour, dust, dirt or grease)
Next to an air duct or similar ventilation opening (draughts)
In areas in which the temperature can fall below 0°C or rise to over 40°C
4.2.
Normal state
In the normal state, the red control LED under the housing cover flashes once
every 53 seconds and signals that the detector is ready for operation.
4.3.
Testing the device electronics
Regularly check the functionality of the smoke alarm device
by pressing the Test button. The warning tone signals and
the red “ALARM” LED flashes quickly
This does not indicate that smoke is present in the air in the
room; it is a confirmation that the smoke alarm device is
functioning properly.
Test the functionality of the detector after installation without fail. A regular
test is also recommended.
Keep the device at arm's length to protect your hearing.
To carry out a test, press the Test button shortly.
4.4.
Weak batteries
If the detector's battery charge falls below a certain value, the detector signals this
with a Red LED Flash and an acoustic warning tone (every 53 seconds). If this
warning signal sounds, the detector batteries must be immediately replaced with
new batteries.
From the time of the first battery warning signal, the detector is still operable
and completely functional for at least 7 more days.
4.5.
Self-test with automatic error message
The smoke alarm device periodically runs a self-test.
If the trigger sensitivity of the detector falls below the required minimum threshold
(e.g. as a result of excess contamination of the smoke measurement chamber),
the detector beeps twice and the red LED flashes every 53 seconds.
If the error message does not clear after the detector has been cleaned, the
detector must be replaced immediately (see “Care and maintenance”
chapter).
