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Optional features – sound detection problem situations
The Control Unit did not identify the alarm signal of the carbon
monoxide/ smoke alarm
• Note that when CO alarms are tested, their sounds are not always
the same as their main alarm sound, and thus they may not be
detected by the Stove Guard. See the manufacturer’s manual about
how to trigger an actual alarm for testing.
• Clean the alarm with the soft brush attachment of a vacuum cleaner.
• Change the batteries in the alarm if necessary.
• Check that the alarm is not located too far from the Control Unit. The
alarms should be located at a maximum distance of 5 metres.
• Adjust the signal recognition frequency by turning the trimmer on the
Control Unit using a screwdriver (frequency adjustment, see the im-
age below): first turn the trimmer approximately 0.5 mm to the right
and then perform a function test with the carbon monoxide/smoke
alarm. If the Control Unit does not react to the alarm signal, turn
the trimmer 0.5 mm to the left, counting from the original position,
and repeat the function test. If the Control Unit does not identify the
signal, this time move the trimmer 1 mm to the right. Keep repeating
function tests and moving the trimmer with an ever-increasing
movement, moving from right to left until the Control Unit identifies
the signal.
The Control Unit responds to other sounds e.g. a telephone ringing or
noise from a television.
Change the telephone’s ring tone or turn down the volume on the televi-
sion. If the signal that causes the false alarm cannot be disabled, adjust
the signal recognition frequency by turning the trimmer on the Control
Unit as described above.
