HOME SETUP TIMER
How long before a new Whirlpool ice maker starts making ice?
Quick answer
Use 24 hours as the starting point.
After installation and water setup
Start a reminder timer
24 hours
Timer has not started.
When it rings: Check that ice production has begun.
What the source actually says
Whirlpool says initial ice production can take 24 hours.
Prime and flush the water system as the model instructions direct.
Source
Read the manufacturer guidance. Model instructions override this general page.