LG LS-J0764BL Service Manual ▷ View online
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Remote Control Operation Mode
• When the remote control is selected by the slide switch on the main unit, the appliance operates according to
the input by the remote control.
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Protection of the evaporator pipe from frosting
• If the indoor pipe temp is below 0°C in 7 min. after the compressor operates without any pause while in cool-
ing cycle operation mode, the compressor and the outdoor fan are turned off in order to protect the indoor
evaporator pipe from frosting.
evaporator pipe from frosting.
• When the indoor pipe temp is 7°C or higher after 3 min. pause of the compressor, the compressor and the
outdoor fan is turned on according to the condition of the room temperature.
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Buzzer Sounding Operation
• When the appliance-operation key is input by the remote control, the short "beep-beep-" sounds.
• When the appliance-pause key is input by the remote control, the long "beep—" sounds.
• When a key is input by the remote control while the slide switch on the main unit of the appliance is on the
• When the appliance-pause key is input by the remote control, the long "beep—" sounds.
• When a key is input by the remote control while the slide switch on the main unit of the appliance is on the
forced operation position, the error sound "beep-beep-beep-beep-beep-" is made 10 times to indicate that the
remote control signal cannot be received.
remote control signal cannot be received.
SERVICE MANUAL
Room Air Conditioner
CAUTION
-
BEFORE SERVICING THE UNIT, READ THE SAFETY
PRECAUTIONS IN THIS MANUAL.
PRECAUTIONS IN THIS MANUAL.
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ONLY FOR AUTHORIZED SERVICE PERSONNEL.
MODEL : LS-J0764BL/HM/HN
LS-J0965BL/HM/HN
LS-J0966EL
LS-J0966EL
E-MAIL
Contents
Functions ................................................................................................................................ 3
Product Specifications .......................................................................................................... 5
Dimensions ............................................................................................................................. 6
Refrigeration Cycle Diagram ................................................................................................. 8
Wiring Diagram....................................................................................................................... 9
Operation Details ................................................................................................................. 10
Display Function .................................................................................................................. 17
Self-diagnosis Function....................................................................................................... 17
Installation ............................................................................................................................ 18
Operation .............................................................................................................................. 31
Disassembly of the parts (Indoor Unit) .............................................................................. 32
2-way, 3-way Valve................................................................................................................ 35
Cycle Troubleshooting Guide.............................................................................................. 42
Electronic Parts Troubleshooting Guide............................................................................ 43
Electronic Control Device.................................................................................................... 50
Schematic Diagram .............................................................................................................. 53
Exploded View and Replacement Parts List...................................................................... 54
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Functions
• Room temperature sensor. (THERMISTOR)
• Maintains the room temperature in accordance with the Setting Temp.
• Indoor fan is delayed for 5 sec at the starting.
• Restarting is inhibited for approx. 3 minutes.
• High, Med, Low, CHAOS
--- Lights up in operation
--- Lights up in Sleep Mode
--- Lights up in Timer Mode
--- Lights up in Defrost Mode (for Heating Model)
OUTDOOR--- Lights up in compressor operation (for Cooling Model)
--- The function illustrates its dynamic mode
by using a multiple lighting system.
(
)
--- Linghts up in Telephone Control operation.
• Intermittent operation of fan at low speed.
• The fan is switched to low(Cooling), med(Heating) speed.
• The unit will be stopped after 1, 2, 3, 4, 5, 6, 7 hours.
• The unit will be stopped after 1, 2, 3, 4, 5, 6, 7 hours.
• The fan is switched to intermittent or irregular operation
• The fan speed is automatically switched from high to low speed.
• The fan speed is automatically switched from high to low speed.
• The louver can be set at the desired position or swing
up and down automatically.
Indoor Unit
Operation ON/OFF by Remote controller
Sensing the Room Temperature
Room temperature control
Starting Current Control
Time Delay Safety Control
Indoor Fan Speed Control
Operation indication Lamps (LED)
Soft Dry Operation Mode
• The function will be operated while in any
operation mode with selecting the function.
• The function is to be stopped while it is
operating with selecting the function.
• Both the indoor and outdoor fan stops dur-
ing defrosting.
• The indoor fan stops until the
evaporator pipe temperature will be reached
at 28°C.
at 28°C.
Sleep Mode Auto Control
Natural Air Control by CHAOS Logic
Airflow Direction Control
PLASMA
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Defrost(Deice) control (Heating)
Hot-start Control (Heating)
PLASMA
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