U
6.
When
Vertical
Louver
does
not
operate.
"
Confirm
that
the
Vertical
Louver
is
normally
geared
with
the
shaft
of
Stepping
Motor.
"
ft
the
regular
torque
is
detected
when
rotating
the
Vertical
Louver
with
hands
ý
Normal
"
Check
the
connecting
condition
of
CN-UP/DOWN
Connector
"
Check
the
soldering
condition(on
PW
B)
of
CN-UP/DOWN
Connector
I
Check
the
operating
circuit
of
the
Vertical
Louver
"
Confirm
that
there
is
DC
+12V
between
pinp(RED)
of
CN-UP/DOWN
and
GND.
"
Confirm
that
there
is
a
soldering short
at
following
terminals.
-
Between
®,
®,
®
and
®
of
MICOM
-
Between
p,
p,
p
and
®
of
IC7
-
Between
®,
®,
®
and ®
of
IC7
-
Between
G),
(D,
Z
®
and
sp
of
CN-UP/DOWN
-
[
D-
If
there are
no
problems
after
above
checks
"
Confirm
the
assembly
conditions
that
are
catching
and
interfering
parts
in
the
rotation
radial
of
the
Vertical
Lower
-54-
"
0