At a Glance
If your A/C is cycling off and on every few minutes, this can be caused by selected settings, inadequate power, a dirty air filter, or in rare cases, a product failure.
If an error code is visible in the display, please visit our LG Air Conditioner - Error Code List article for further assistance.
Try This
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Check the Operation Mode of the Air Conditioner
- Depending on the mode selected, the A/C's compressor will turn off once a set temperature is reached.
- It would be recommended to switch to a different mode, or adjust the target temperature setting.
- For further assistance on the different modes, please see our LG Air Conditioner - How To Use the Different Cooling Modes article.
NoteControls and button layout may vary depending on your model.
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Checking the Power Cord
- Unplug the power cord and examine the power cord for damage
- Plug another electronic device (hair dryer or smart phone) to check power is supplied.
- If the power continues turning on and off or if the power cord is damaged, service will be required. Request a repair with our 24/7 Chat Support
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Clean the Filter
- A dirty filter will reduced air flow making it harder to reach your temperature set.
- Clean the filter periodically to maintain the best performance.
NoteDisassembly will vary from model to model, please refer to your unit's owners manual for specific instructions.
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Confirm the Air Conditioner Size (BTUs) Matches the Room Size
- If the A/C is oversized relative to room, it can cause constant on/off sequences that result in either overheating or overcooling.
- See the table below to confirm youe A/C meets the recommended room size.
Room size by BTU Room Size (Sq. Ft.) BTUs 250 (10’ x 25') 6,000 300 (15’ x 20') 7,000 350 (10’ x 35') 8,000 400 (20’ x 20') 9,000 450 (18’ x 25') 10,000
If the problem continues, service will be required for further assistance. Request a repair with our 24/7 Chat Support