HOME SETUP TIMER
How long before an LG refrigerator starts making cold air?
Quick answer
Use 1 hour–2 hours as the starting point.
After plugging it in
Start a reminder timer
1 hour
Timer has not started.
When it rings: Feel for cold airflow, then verify temperature with a thermometer.
What the source actually says
LG says cold air starts accumulating in one to two hours.
Full stabilization takes longer; do not judge food safety by airflow.
Source
Read the manufacturer guidance. Model instructions override this general page.