LG LM-2421C2L/A2L Service Manual page 13

Auto Restarting Operation
• When the power is restored after a sudden power failure while in appliance operation, the mode before the
power failure is kept on the memory and the appliance automatically operates in the mode on the memory.
• The slide switch on the main unit of the appliance should be on the Auto Restarting position in order that
the Auto Restarting operation is available.
• Operation Mode that is kept on the memory
- State of Operation ON/OFF
- Operation Mode/Setting Temp/Selected Airflow Speed
Forced Operation (C/O Model)
• To operate the appliance by force in case that the remote control is lost, the forced operation selection
switch is on the main unit of the appliance to operate the appliance in the standard conditions.
• When the power is supplied while the slide switch is on the forced operation position, or when the slide
switch position is switched to the Auto Restarting position (or test operation) or switched from the remote
control position to the forced operation position while the power is on, the forced operation is carried out.
• When the slide switch position is switched from the forced operation position to the Auto Restarting position
or the remote control position, the forced operation is canceled and the appliance stops operating.
• The forced operation is carried out in cooling mode with the setting temperature 22°C and the high speed of
airflow.
• While in forced operation, the key input by the remote control has no effect and the buzzer sounds 10 times
to indicate the forced operation.
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.
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
cooling cycle operation mode, the compressor and the outdoor fan are turned off in order to protect the
indoor 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.
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
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.
FORCED
OPERATION
AUTO
RESTART
REMOTE
CONTROL
Slide Switch
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