Jung FRWM200 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.
Operating Manual: FRWM200 - Smoke Alarm Device with Radio Link
EN
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.
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