If your LG refrigerator isn’t cooling at all, you’re past the “maybe it’ll fix itself” stage. It won’t. Here’s what’s actually going on. The Most Common Causes Dirty condenser coils Heat gets trapped → fridge can’t cool Weak or failing compressor The “engine” isn’t pushing refrigerant properly Bad evaporator fan No airflow = no cooling Defrost system failure Ice blocks airflow entirely Blocked air vents Cold air can’t circulate Thermostat or sensor failure Fridge doesn’t know