Service life
When operating continuously under normal ambient
conditions, the expected service life of the sensor is
approx. 5 years. Replace the gas alarm after a service
life of 5 years!
Various chemicals can damage the sensor
permanently. Do not subject the sensor to the
following substances and environments:
!
Sprays and adhesives containing silicone
!
Aggressive environments in which hydrogen
sulphides, sulphur dioxide, chlorine or hydrogen
chloride is present (cleaning agents containing
chlorine, descaler sprays, bleach)
!
Moisture and condensation
!
Salt-laden atmospheres
Fault display
The gas alarm carries out a continuous self-test.
Flashing of the yellow FAULT indictor indicates the
presence of a fault. In addition, two short signal tones
are issued per minute.
° °
° °
The fault display can either be triggered by the
surroundings or there is a defect in the device.
Please proceed as follows if a fault is indicated:
!
Check whether the ambient temperature lies
outside the permissible range of -10°C to
+40°C.
!
Check whether chemicals in the ambient air or
other substances could have triggered the fault
display, such as an excessive concentration of
acid or alcohol in the air, cleaning liquids, paints,
lacquers, sprays, polishing agents, cooking
2 short signal tones every
60 seconds, yellow FAULT
indicator flashes
vapours or tobacco smoke. Check the gas alarm in
another room if necessary. If an alarm is not
signalled in the other room, the cause of the fault
is in the original installation site.
If the fault display continues to be active, there is
either a contamination, a defect in the device or the
gas alarm has reached the end of it's service life of
approx. 5 years. The gas alarm must be replaced in
this case!
Maintenance and cleaning
!
Regularly clean the housing of the gas alarm with
a duster or slightly damp cloth. Remove as much
of the dust deposits as possible from the opening
in the sensor. The gas alarm must never be
sprayed with water!
!
Regularly check the functionality of the device
(see the chapter on function tests).
!
The gas alarm must not be painted or coated
Important
!
For maximum security, the device should be
operated continuously.
!
The gas installation and any shut-off device must
fulfil the regulations that apply in the country
where the alarm is installed.
!
The gas alarm must be installed properly. Please
work as specified in the operating instructions.
!
Make absolutely sure that the gas alarm is
installed at the correct height for each type of gas.
!
You may smell gas before the gas alarm is
triggered.
!
The gas alarm can also react to a brief escape of
gas, e.g. when a device starts up.
!
We reserve the right to make improvements to the
construction and design so we are always able to
supply state-of-the-art warning devices.