To ensure the continued functional readiness of the alarm, the unit should be
maintained as described in DIN 14676 at least once per year.
To do this, proceed as follows:
• Dust the unit if necessary with a damp cloth; remove any contamination
with a damp cloth. Do not use detergent.
Stop: temporarily
deactivate or
silence alarm.
Fig. 6
OPERATING LIFE OF THE DEVICE
The smoke alarm will reach the end of its intended period of use (including
wireless connection) in accordance with DIN 14676 and DIN EN
14604 ten years after it is put into operation for the first time. The maximum
storage period after the date of production is two years. The combined inten-
ded period of use and maximum storage period are printed as a replacement
date on the product label.
– 56 –
POSSIBLE CAUSES OF FALSE ALARMS
False Alarms or Errors
A device that is to be assigned
to a radio group is no longer in
connection mode
Devices of the radio group to
which further alarms are to be as-
signed are not, or are no longer,
in connection mode.
The distance between two alarms
in connection mode is too great;
no connection is possible
One alarm will not connect to the
radio group
Possible causes of a false alarm
• Dust in the calibration system of the device. More or less dust is normal in
living rooms
• Particularly in bedrooms due to carpets, clothing, blankets, pillows etc.
• and their storage and movement
• Pollen, construction dust, abrasive dust and particulate matter
• Small insects
• Very strong fumes from cooking, steaming and/or frying
• Air freshener, fragrance sprays and insect sprays
Possible Causes
Connection mode is active for 10 min-
utes. To reactivate connection mode
after this, see "Repeat Connection
Attempts"
Connection mode is active for 10 min-
utes. To reactivate connection mode
after this, see "Extending the Existing
Radio Group / Re-entering Connection
Mode"
Reduce distance between the alarms;
to do so, add an extra alarm
Restore alarm to factory settings, see
"Restore Factory Settings"; enter con-
nection mode
– 57 –
GB