F21 Whirlpool Washer Error Code

DIY

Drain problem.

What does F21 mean?

The washer is not draining.

Common causes

The manufacturer support page points to these conditions for this code:

  • A kinked, bent, or pinched hose
  • A blocked, kinked, or incorrectly installed drain hose or standpipe
  • Debris or a blockage in the water path

What to check first

  1. Check that the drain hose is not kinked or clogged.

When to call a professional

If the code returns after these checks, schedule service with a qualified technician.

Official source

This explanation follows the manufacturer support page: F21 - Front Load Washer.

If you see water on the floor, smell burning, or the official page says to call service, stop and contact the manufacturer or a qualified technician.