HOME SETUP TIMER
How long before checking whether a Samsung refrigerator is cooling?
Quick answer
Use 3 hours as the starting point.
After a power cycle
Start a reminder timer
3 hours
Timer has not started.
When it rings: Check that the displayed or measured temperature has begun to fall.
What the source actually says
Samsung says three hours is usually enough to detect a temperature drop.
This is a diagnostic check, not proof that food is at a safe temperature.
Source
Read the manufacturer guidance. Model instructions override this general page.