Blink count: 2
Top LED blinks 2 times and bottom LED blinks 1 time in a repeating cycle
Inverter DC overcurrent condition · Compressor electrical loading fault · Drive/control board abnormality
LG Aircon Blinking Light Patterns
Learn what common LG blink patterns mean, what typically causes them, and whether they need urgent attention.
LG blink guide
This is a guidance table, not a model-exact diagnosis. Pattern meaning can vary by controller and series. Use this page to narrow next steps, then verify with model sticker details.
Safety Warning
Stop using the unit and contact a technician if the breaker trips repeatedly, you smell burning, see sparks, hear loud electrical buzzing, or water is leaking from places it normally should not.
Blink count: Persistent or continuous
After operation stops, green/blue lamp blinks periodically for about 5 to 15 minutes with weak airflow
Auto-drying function enabled · Post-stop moisture removal routine
Blink count: Persistent or continuous
On supported cassette models, yellow lamp blinks periodically after stop until auto-drying ends
Auto-drying moisture-removal sequence · Post-operation fan purge logic
Blink count: Persistent or continuous
Timer light blinks while top/bottom unit LEDs blink in count combinations to indicate fault type
Model-specific fault signalling active · Indoor/outdoor or compressor-side abnormality · Stored protective error condition
Blink count: Persistent or continuous
Timer/error indication appears with P2 or FL drain-pan-full fault behavior
Drain pan full/water level trigger · Drain path obstruction · Water removal issue causing protective stop
Not sure how to read your LG blink pattern?
Send a short blink video and your model sticker. We'll advise the next step before any work is recommended.
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