5A
4.
Troubleshooting
If
the
fixture
does
not
work,
no
light,
please
check
the
connection
of
power
cable,
also
measure
the
mains
voltage
on
the
main
connector
5.
Cleaning
And
Maintenance
The
cleaning
must
be
carried
out
periodically
to
optimize
light
output.
Cleaning
frequency
depends
on
the
environment
in
which
the
fixture
operates:
moist,
smoky
or
particularly
dirty
surrounding
can
cause
greater
accumulation
of
dirt
on
the
fixture.
y
Clean
with
lint
‐
free
cloth
using
normal
glass
cleaning
liquid.
y
Always
dry
the
parts
carefully.
y
Clean
the
surface
at
least
every
30
days.
y
Never
use
alcohol
or
solvents.
