5
When sure that it is just a nuisance/false alarm, simply
press the “> <” button briefly on the Alarm to silence the
unit for 10 minutes.
If, when the alarm goes off, there is no sign of smoke, heat
or noise to indicate that there is a fire, you should get your
family into a safe place, before you start investigating.
Check the house carefully in case there is a small fire
smouldering somewhere.
Check whether there is some source of smoke or fumes,
for example cooking fumes being drawn past the Smoke
Alarm by an extractor.
If there are frequent nuisance/false alarms it may be
necessary to re-locate the device away from the source
of the fumes or replace an Ionisation Alarm with an
Optical Alarm. If for some reason the Alarm continues
to sound without smoke or heat being present (due to
insect infestation or contamination build-up for example)
the units can be silenced by disconnecting the mains
power and removing the unit - see “ALARM REMOVAL”
section - page 11 (Installer)
If cleaning the Alarm does not correct the problem
it can be returned to the manufacturer for repair or
replacement - see “Service and Guarantee” section.
Silence Feature
All the Smoke Alarms have a combined Test/Silence
button “> <” to help you control nuisance/false alarms.
1. To silence a nuisance/false alarm, press the “> <” button
located on the cover. The Alarm will automatically
switch to a reduced sensitivity condition for a 10
minute period (very large levels of smoke from a
nearby fire will override the silence period).
The unit will flash the red light every 10 seconds (instead
of the normal 40 seconds) to indicate the sensitivity is
reduced.
On interconnected Alarms, pressing the “> <” button on
the one sensing smoke (i.e. the one with the red light
flashing every second) will silence all Alarms. Pressing
the “> <” button on any other Alarm will not silence the
alarm.
2. The unit will reset to normal sensitivity at the end of
the silenced period.
Nuisance / False Alarms
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