6
IP
‐
E282
‐
001GB
progress,
the
detector
triggers
the
technical
alarm
mode
sending
excessive
contamination
information
to
the
control
panel.
It
causes
a
necessity
to
clean
the
detector
optical
module:
the
labyrinth
and
the
lenses
of
both
diodes
–
transmitting
one
and
photodiode.
A
failure
to
carry
out
the
servicing
works
may
result
in
false
alarm
evoking
in
future.
Fig.2
Detector
elements
after
dismantling
The
detector
assembling
and
dismantling
is
shown
in
Fig.
2.
In
order
to
dismantle
the
detector
it
is
necessary
to:
a)
pressing
the
net
long
tongue,
turn
the
cover
right
in
the
basket
until
it
is
taken
out;
