LG HMC036KDT1 Service Manual - Page 36

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Electronic Parts Troubleshooting Guide 2. The product is not operate with the remote contro Turn on Main Power While the compressor has been stopped, the compressor does not operate owing to the delaying function for 3 minutes after stopped. When the compressor stopped Indoor Fan is driven by a low speed. At this point the wind speed is not controlled by the remote controller. (When operated in the Sleeping Mode, the wind speed is set to the low speed by force.) Cause by the remote control Caused by other parts except the remote control When the mark( ) is displayed in LCD screen, replace battery. Check the contact of CN-DISPI connector. When the detect switch(double key) inside the remote controller door is fault, it is impossible to operate temperature regulating( rim) and wind speed selecting. Check DISP PWB Ass'y - Voltage between CN DISP1 - ® : DC -F5V Check the connecting circuit between the remote controller MICOM (No. (t) - R17(2Q) - IR LED - O1 R16(2.2Kr2). Check point • Check the connecting circuit between PIN (DR01L(1K) - C0IL(680PF) - MICOM PIN • Check Receiver Ass'y 36 MPS Multi Air Conditioner

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Electronic
Parts
Troubleshooting
Guide
2.
The
product
is
not
operate
with
the
remote
contro
Turn
on
Main
Power
While
the
compressor
has
been
stopped,
the
compressor
does
not
operate
owing
to
the
delaying
function
for
3
minutes
after
stopped.
When
the
compressor
stopped
Indoor
Fan
is
driven
by
a
low
speed.
At
this
point
the
wind
speed
is
not
controlled
by
the
remote
controller.
(When
operated
in
the
Sleeping
Mode,
the
wind
speed
is
set
to
the
low
speed
by
force.)
Cause
by
the
remote
control
When
the
mark(
)
is
displayed
in
LCD
screen,
replace
battery.
When
the
detect
switch(double
key)
inside
the
remote
controller
door
is
fault,
it
is
impossible
to
operate
temperature
regulating(
rim)
and
wind
speed
selecting.
Check
the
connecting
circuit
between
the
remote
con-
troller
MICOM
(No.
(t)
-
R17(2Q)
-
IR
LED
-
O1
-
R16(2.2Kr2).
Caused
by
other
parts
except
the
remote
control
Check
the
contact
of
CN-DISPI
connector.
Check
DISP
PWB
Ass'y
-
Voltage
between
CN
DISP1
-
®
:
DC
-F5V
Check
point
•
Check
the
connecting
circuit
between
PIN
(D-
R01L(1K)
-
C0IL(680PF)
-
MICOM
PIN
•
Check
Receiver
Ass'y
36
MPS
Multi
Air
Conditioner