Brand:
LG
Category: Air Conditioner
Document Type: Manual
Language: EN
Available Languages: EN , ES
Uploaded: Nov. 21, 2025, 9:25 p.m.
LG Portable Air Conditioner is warranted for 1 year for internal/functional parts and labor.
| Problem | Possible causes | Solutions |
|---|---|---|
| Air conditioner does not start | The air conditioner is unplugged. | Make sure the air conditioner plug is pushed completely into the outlet. |
| The fuse is blown/circuit breaker is tripped. | Check the house fuse/circuit breaker box and replace the fuse or reset the breaker. | |
| Power failure. | If power failure occurs, unplug the unit. When power is restored, wait 3 minutes to restart the air conditioner to prevent tripping of the compressor overload. | |
| The current interrupter device is tripped. | Press the RESET button located on the power cord plug. If the RESET button will not stay engaged, discontinue use of the air conditioner and contact a qualified service technician. | |
| E5 appears in the display. | The water collection tank is full. | Drain the tank and reset your settings. |
| Room temperature is less than the set temperature. | This is normal. The air conditioner automatically shuts off when the room temperature equals or is less than the set temperature. | Adjust the temperature setting, if needed. |
| Air conditioner does not cool as it should | Airflow is restricted. | Make sure there are no curtains, blinds, or furniture blocking the front of the air conditioner. |
| The temp control may not be set correctly. | In COOL mode, press the DECREASE button. | |
| The air filters are dirty. | Clean the filters at least every 2 weeks. See the Care and Cleaning section. | |
| The room may have been hot. | When the air conditioner is first turned on, you need to allow time for the room to cool down. | |
| Air conditioner runs too often or too long | Area to be cooled is too large for the air conditioner. | Consult your dealer for the air conditioner capacity necessary to cool the desired area. |
| Doors or windows are open. | Make sure doors and windows are closed. | |
| Air conditioner freezing up | The cooling coils are iced over. | Ice may block the air flow and obstruct the air conditioner from properly cooling the room. Set the mode control at High Fan or High Cool. |