User's Manual

Troubleshooting
Most problems with the smoke alarm can be solved quickly by following the advice in
this section. For additional information, visit our webpage.
Technical specications
Sensor type Multi-criteria optical smoke and heat alarm
Certication ANSI/UL217, CAN/ULC-S531, ANSI/UL539, ULC/ORD-C539,
FCC Part 15 and IC RSS-210
Batteries 2 x 3V CR123A Lithium batteries (replaceable)
Current drain Typical 9µA standby
Battery life Up to 10 years
Test/silence button Checks horn circuit / silences the alarm for 10 minutes
Audible alarm > 85dB(A) @ 3m (10ft) minimum
Operating temperature 0°C to 40°C (32°F to 104°F)
Humidity range 15% to 95% R.H. (non-condensing)
Heat sensor xed rating 57ºC +/- 2ºC (135°F +/- 5°F)
Heat sensor rate of rise > 40ºC (104ºF) @ 8.3ºC (15ºF) / min
Radio connection Features a radio module inside the smoke alarm
Radio frequency 433.92 MHz
Coverage 80 – 200 m (87 – 219 yd), clear line of sight.
The range is reduced by walls, large objects and other
radio transmitters such as TVs and mobile phones.
Please note Radio conditions and interference etc. can change over
time, therefore no guarantee can be given about a spe-
cic transmission range etc. Each time, place and building
are unique from a radio transmission point of view.
Broadcast function Transmits the alarm to all other Visit receivers within
range, overriding the radio key settings.
Dimensions 120mm (4.7") x 45.7mm (1.8")
Weight 210g (0.46 lbs)
27 28
If Try this
The smoke alarm sounds for
no apparent reason.

Check for smoke, steam, etc. from the kitchen or bathroom.
Paint and other fumes can cause nuisance alarms.

Check for signs of contamination such as cobwebs or dust.
If necessary, clean the smoke alarm as described in the
section 'Testing, monitoring and maintenance'.

Press the test/silence button on the smoke alarm – this will
silence the alarm for 10 minutes.
The alarm fails to sound
when the test/silence button
is pressed

Check the age of the unit - see the 'replace by' label on the
side of the unit.

If necessary, replace the batteries with Panasonic CR123A.
The alarm sounds when
the test button is pressed –
but the Visit receiver is not
activated

Check the smoke alarm and Visit receiver batteries.

Move the Visit receiver closer to the smoke alarm.

Check that the smoke alarm and the Visit receiver are set to
the same radio key. For more information, see 'Changing
the radio key'.
The Visit receiver is triggered
for no apparent reason.

There is probably another Visit system nearby that triggers
yours. Change the radio key on all units, see 'Changing the
radio key'.