At a Glance
If your LG air conditioner does not power on, it's possible a power outage in the home tripped the circuit breaker, the individual outlet has no power, or the unit is defective. Please follow the troubleshooting steps below for your A/C unit.
Try This
- Portable Window Through the Wall
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Check the Following List to Find Information on the Associated Buttons Above
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Power
Turns the air conditioner on and off. A chime sounds to confirm you have turned it on or off.
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Mode
Press this button repeatedly to toggle through and select the operating mode. Modes include Cool, Dry (dehumidify), Fan, and Heat. An LED illuminates to indicate the selected mode. The default mode is Cool.
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Cool Mode
Compressor runs and cools the room. Use the ∧ / ∨ and Fan Speed buttons to set the desired temperature and fan speed.
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Dry Mode
Use the Dry mode to remove humidity from the room without additional cooling. The fan speed is preset and cannot be adjusted.
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Fan Mode
Fan circulates air but the compressor does not run. Use the Fan Speed button to set the desired fan speed to either High or Low. Press repeatedly to toggle the fan speed between High and Low settings. An LED illuminates to indicate the selected fan speed. The fan speed can be changed in the Cool, Fan, and Heat modes. The fan speed is preset in the Dry mode. After pressing the button, there is a brief delay before the fan motor changes speed.
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Heat Mode
Compressor runs and cools the room. Use the ∧ / ∨ and Fan Speed buttons to set the desired temperature and fan speed.
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Temperature Control ∧ / ∨
In Cool, Dry and Heat mode, the ∧ / ∨ buttons adjust the set temperature up to 86 °F (30 °C) or down to 60 °F (16 °C), in one-degree increments.
NoteTo switch the temperature units on the display between Fahrenheit (°F) and Celsius (°C), press and hold the ∧ and ∨ buttons on the control panel at the same time for 5 seconds.
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Fan Speed
Press repeatedly to toggle the fan speed between High and Low settings. An LED illuminates to indicate the selected fan speed.
The fan speed can be changed in the Cool, Fan, and Heat modes. The fan speed is preset in the Dry mode.
After pressing the button, there is a brief delay before the fan motor changes speed.
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Timer
Delay ON - When the air conditioner is off, set it to automatically turn on from 1 to 24 hours later, at its previous mode and fan settings.
Delay OFF - When the air conditioner is on, set it to automatically turn off from 1 to 24 hours later.
NoteEach press of the Timer button advances the timer by 1 hour.
Once you have finished setting the Delay OFF Timer, the display returns to the temperature setting after a short delay.
- To cancel the Timer function, press the Timer button on the control panel.
- Press and hold the Timer button on the control panel for 3 seconds to set Auto Swing.
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Auto Swing
This function automatically moves the louvers to adjust the direction of the air flow.
Press the Auto Swing button repeatedly to select the desired direction.
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Light
This function automatically moves the louvers to adjust the direction of the air flow.
Press the Auto Swing button repeatedly to select the desired direction.
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Clean Filter
The Clean Filter LED lights up to notify you that the filter needs to be cleaned.
After cleaning the filter, press and hold the ∨ button on the control panel for 3 seconds to turn off the Clean Filter light.
NoteThe filter reset must be done using the control panel, not the remote control.
This feature is a reminder to clean the air filter for more efficient operation. The LED light turns on after 250 hours of operation
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Wifi
Enables connection of the air conditioner to the home Wi-Fi.
To connect Wi-Fi, press the Fan Speed button on the control panel for 3 seconds
NoteNot applicable on all models.
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Check the Following List to Find Information on the Associated Buttons Above
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Power
Press to turn the air conditioner ON or OFF
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Sleep Mode
This mode keeps operating noise to a minimum and turns the air conditioner off after a set time. The timer can be set from 1 to 12 hrs.
In the Sleep Mode, the setting temperature increases by 2° F after 30 minutes and additional 2° F after another 30 minutes for a more comfortable sleep.
The setting temperature increases up to 4° F from the preset temperature.
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Timer
Delay ON - When the air conditioner is off, set it to automatically turn on from 1 to 24 hours later, at its previous mode and fan settings.
Delay OFF - When the air conditioner is on, set it to automatically turn off from 1 to 24 hours later.
NoteEach press of the Timer button advances the timer by 1 hour.
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Operation Mode
Press the Mode button to cycle between 4 types of air conditioner operation: Energy Saver / Cool / Fan / Dry.
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Energy Saver Mode
In this mode the compressor and fan turn off when the set temperature is achieved. Approximately every 3 minutes the fan turns on to allow the unit sensor to accurately determine if more cooling is needed.
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Cool Mode
This mode is ideal on hot days to cool and dehumidify the room quickly. Use the Temp buttons to set the desired room temperature and use the Fan Speed button to set the desired fan circulation speed.
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Fan Mode
In this mode the fan circulates air but the compressor does not run. Use the Fan Speed button to set fan speed to High, Medium or Low. In this mode, you cannot adjust the set temperature.
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Dry Mode
This mode is ideal for rainy and damp days to dehumidify the room rather than cooling it significantly. Humidity is removed from the room by the combination of compressor operation and the fan speed fixed at Low. The compressor and fan turn off once the set temperature is reached. Fan speed cannot be adjusted in Dry mode.
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Wifi
Enables connection of the air conditioner to the home Wi-Fi.
To connect Wi-Fi, press the Fan Speed button on the control panel for 3 seconds
NoteNot applicable on all models.
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Clean Filter
The Clean Filter LED lights up to notify you that the filter needs to be cleaned.
After cleaning the filter, press and hold the ∨ button on the control panel for 3 seconds to turn off the Clean Filter light.
NoteThe filter reset must be done using the control panel, not the remote control.
This feature is a reminder to clean the air filter for more efficient operation. The LED light turns on after 250 hours of operation
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Fan Speed
Press repeatedly to toggle the fan speed between High and Low settings. An LED illuminates to indicate the selected fan speed.
The fan speed can be changed in the Cool, Fan, and Heat modes. The fan speed is preset in the Dry mode.
After pressing the button, there is a brief delay before the fan motor changes speed.
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Temperature Control ∧ / ∨
In Cool, Dry and Heat mode, the ∧ / ∨ buttons adjust the set temperature up to 86 °F (30 °C) or down to 60 °F (16 °C), in one-degree increments.
NoteTo switch the temperature units on the display between Fahrenheit (°F) and Celsius (°C), press and hold the ∧ and ∨ buttons on the control panel at the same time for 5 seconds.
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Energy Saver
In this mode the compressor and fan turn off when the set temperature is achieved. Approximately every 3 minutes the fan turns on to allow the unit sensor to accurately determine if more cooling is needed.
NoteThis function is only available in Cooling Mode
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Clear
Cancel Sleep and Timer settings.
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Check the Following List to Find Information on the Associated Buttons Above
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Power
Press to turn the air conditioner ON or OFF
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Fan Speed Selector
Use to set the fan speed to Low (F1) or High (F2).
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On/Off Timer
Delay ON - When the air conditioner is off, set it to automatically turn on from 1 to 24 hours later, at its previous mode and fan settings.
Delay OFF - When the air conditioner is on, set it to automatically turn off from 1 to 24 hours later.
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Operation Mode Selector
Press the Mode button to cycle between 4 types of air conditioner operation: Energy Saver / Cool / Fan / Dry.
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Energy Saver Mode
The fan stops when the compressor stops cooling. The fan will cycle on and off approximately every 3 minutes to cool the room if needed.
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Cool Mode
Compressor runs and cools the room. Use the ∧ / ∨ and Fan buttons to set the desired temperature and circulation speed
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Fan Mode
Fan circulates air but compressor does not run. Use the Fan button to set the desired fan speed.
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Heat Mode
Fan runs continually for normal heating operation.
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Temperature Control ∧ / ∨
The thermostat monitors room temperature to maintain the desired temperature. The temperature can be set between 60° F ~ 86° F.
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Remote Control Sensor
Detects input signals from the remote control.
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Clean Filter
The Clean Filter LED lights up to notify you that the filter needs to be cleaned.
After cleaning the filter, press and hold the ∧ / ∨ button on the control panel for 3 seconds to turn off the Clean Filter light.
NoteThe filter reset must be done using the control panel, not the remote control.
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