22
7. Trouble shooting
F
ollo
w
ing
a
r
e
a
few
c
o
mm
on
p
r
oble
m
s
th
a
t
m
a
y
occu
r
d
uring
ope
r
a
tion
.
He
r
e
a
r
e
s
o
m
e
s
ug
g
es
tion
s
fo
r
eas
y
tr
ou
b
leshooting
:
A.
The
un
it
does
no
t
work
,
no
li
ght
a
n
d
t
he
f
a
n
d
o
es
no
t
w
o
r
k
1.
Ch
eck
th
e
c
on
nect
ion
of
p
owe
r
a
nd
m
a
in
fu
s
e
.
2.
M
eas
ure
th
e
m
a
ins
volt
a
g
e
on
th
e
m
a
i
n
co
nn
e
ct
o
r
.
3.
Ch
eck
th
e
pow
er
on
LED
.
B.
N
o
t
responding
t
o
D
MX
c
on
t
ro
ll
er
1.
D
M
X
LED
s
h
ou
ld
b
e
on
.
If
no
t,
che
ck
D
M
X
co
n
nect
ors,
ca
b
l
es
to
s
ee
if
link
p
r
ope
r
ly
.
2.
If
th
e
D
M
X
LE
D
i
s
on
a
nd
no
r
espons
e
t
o
th
e
c
h
a
nn
el,
che
ck
th
e
a
dd
r
ess
s
etti
ng
s
a
nd
D
M
X
p
ol
a
r
ity
.
3.
If
y
ou
h
a
ve
i
nter
m
ittent
D
M
X
s
ig
n
a
l
p
r
oble
m
s
,
che
ck
th
e
p
ins
on
c
onn
ecto
r
s
or
on
PCB
of
th
e
u
nit
or
the
p
r
ev
iou
s
on
e.
4.
Tr
y
to
us
e
a
no
th
er
D
M
X
co
ntroller
.
5.
Ch
eck
if
th
e
D
M
X
ca
b
le
s
r
un
ne
a
r
or
run
a
lon
g
s
id
e
t
o
h
ig
h
volta
g
e
c
a
b
les
th
a
t
m
a
y
c
a
us
e
d
a
m
a
g
e
or
in
ter
fer
ence
to
D
M
X
inter
face
circui
t.
C
.
One
of
the
cha
nn
el
s
is
no
t
w
o
r
k
ing
w
el
l
1.
Th
e
s
tep
p
er
m
oto
r
m
ig
h
t
b
e
dam
a
g
ed
or
the
c
a
b
le
c
on
nect
ed
to
th
e
PCB
is
b
r
oken.
2.
Th
e
m
oto
r
’
s
d
r
ive
IC
on
th
e
PCB
m
ig
h
t
b
e
o
ut
of
co
ndition
3
1.
S
af
ety
I
nst
r
uctions
Please keep this User Guide for future consultation. If you sell the unit to another
user, be sure that they also receive this instruction booklet.
Unpack and check carefully there is no transportation damage before using
the unit.
Before operating, ensure that the voltage and frequency of power
supply match the power requirements of the unit.
It’s important to ground the yellow/green conductor to earth in order
to avoid electric shock.
The unit is for indoor use only. Use only in a dry location.
The unit must be installed in a location with adequate ventilation, at
least 50cm from adjacent surfaces. Be sure that no ventilation slots are
blocked.
Disconnect main power before replacement or servicing.
Make sure there are no flammable materials close to the unit while operating as
it is fire hazard.
Use safety cable when fixes this unit. DO NOT handle the unit by taking its head
only, but always by taking its base.
Maximum ambient temperature is Ta: 40Ԩ. DO NOT operate it where the
temperature is higher than this Unit surface temperature may reach up to 85Ԩ.
DO NOT touch the housing bare-hand during its operation. Turn off the power and
allow about 15 minutes for the unit to cool down before replacing or serving.
the event of serious operating problem, stop using the unit immediately.Never
try to repair the unit by yourself. Repairs carried out by unskilled people can
lead to damage or malfunction. Please contact the nearest authorized
technical assistance center. Always use the same type spare parts.
