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Safety Precautions
Read the precautions in this manual carefully
before operating the unit.
This symbol indicates that the Operation
Manual should be read carefully.
To prevent injury to the user or other people and property damage, the following instructions must be followed.
n Incorrect operation due to ignoring instruction will cause harm or damage. The seriousness is classified by the
following indications.
WARNING
CAUTION
n Meanings of symbols used in this manual are as shown below.
Be sure not to do.
Be sure to follow the instruction.
Dangerous Voltage
1.1 Safety Precautions in Repair
Be sure to disconnect all remote electric power supplies before servicing. Internal
components and circuit boards are at main potential when the equipment is
connected to the power cables. This voltage is extremely dangerous and may
cause death or severe injury if come in contact with it.
Do not touch the discharging refrigerant gas during the repair work.
The refrigerant gas can cause frostbite.
Release the refrigerant gas completely at a well-ventilated place first.
Otherwise, when the pipe is disconnected, refrigerant gas or refrigerating machine
oil discharges and it can cause injury.
When the refrigerant gas leaks during work, execute ventilation. If the refrigerant
gas touches to a fire, poisonous gas generates. A case of leakage of the
refrigerant and the closed room full with gas is dangerous because a shortage of
oxygen occurs. Be sure to execute ventilation.
When removing the front panel or cabinet, execute short-circuit and discharge
between high voltage capacitor terminals. If discharge is not executed, an electric
shock is caused by high voltage resulted in a death or injury.
Be sure to provide the grounding when repairing the equipment in a humid or
wet place, to avoid electrical shocks.
This symbol indicates the possibility of death or serious injury.
This symbol indicates the possibility of injury or damage to properties only.
WARNING
This appliance is filled with flammable
refrigerant (R32)
This symbol indicates that a service
personnel should be handling this equipment
with reference to the Installation Manual.
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Copyright © 2018 LG Electronics Inc. All rights reserved.
Only training and service purposes.
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Troubleshooting
