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4.
Compressor/Outdoor
Fan
are
unable
to
drive.
Turn
on
Main
Power
Operate
"Cooling
Mode(
*
)°
by
setting
the
desired
temperature
of
the
remote
controller
is
less
than
one
of
the
indoor
temperature
by
20F
at
least.
When
in
Fan
Mode,
Compressor/Outdoor
Fan
is
stopped.
V(
Check
the
sensor
for
indoor
temperature
is
attached
as
close
as
to
be
effected
by
the
temperature
of
Heat
Exchanger(EVA).
When
the
sensor
circuit
for
indoor
temperature and
connector
are
in
bad
connection
or
are
not
engaged,
Compressor/Outdoor
Fan
is
stopped.
"
Check
the
related
circuit
of
R11(12.1
K),
R12(1.OK),
R13(6.2K),
R14(1.OK)
Micom
(No.55)
(indoor
unit).
"
Check
the
indoor
temperature
sensor
is
disconnected
or
not(About
101Q2
/
at
25°C).
When
the
temperature
around
Outdoor
PWB
Ass'y
is
above
163"F
the
compressor
is
stop and
only
Outdoor
Fan
is
operating.
Check
Relay(RY
-
COMP)
for
driving
compressor.
"
When
the
power(About
AC2
0O
V)
is
applied
to
the
connecting
wire termi-
nal
support
transferred
to
compressor,
PWB
Ass
y
is
normal.
"
Check
the
circuit
related
to
the
relay(Outdoor
unit).
Check
pant
COMP
ON
COMP
OFF
Between
Micom(No.
27)
and
GND
DCSV
DCOV
Between
I
B(No.
16)
Below
DC
IV
and
GND
(app)
About
DC12V
Tum
off
Main
(
Power
V
"
Check
the
electrical
wiring
diagram
of
outdoor
side.
"
Check
the
abnormal
condition
for
the
component
of
Compressor/Outdoor
Fan
Motor.
-52-
i
0