pyrexx PX-1C Operating Manual page 69

Contamination message
A contamination message is triggered
when the readjustment of the detection
electronics is no longer possible due to
heavy soiling.
With the contamination message, a dou-
ble tone will sound every 90 seconds (see
chapter 12 „Alarm and alert tones" on
page 76). Proceed as follows:
(1) Press testing / stop button to turn off
the contamination message for 24 hours
(2) Replace the device
Alarm without cause of fire
An alarm without fire is triggered under
the following circumstances;
Regular development of dust
•
in residential areas that are
promoted by textiles (e.g., carpets,
clothing, blankets and pillows)
Pollen, construction, grinding or fine dust
•
Insects or micro-organisms
•
that have overcome the insect
barriers of the device
EN EN
Operating Manual: PX-1C - Smoke Alarm Device with Radio Link
Strong cooking, water and / or
•
frying fumes and room, fragrance
and insect repellent sprays
Extreme temperature fluctuations
•
or very strong electromagnetic
radiation in close proximity
influence the device
Cigarette smoke triggers an alarm
only in the immediate vicini-
ty and at a high concentration.
You can take the following corrective
measures:
f Stop alarm (see chapter 6.10 „Alarm
stop" on page 66)
f Ensure adequate ventilation of the
installation location
f Handle the device with care and clean
it regularly, e.g., with a vacuum cleaner
f Inform neighbours about an alarm
without cause of fire, so that they
will not falsely alert fire brigade
69