Whirlpool F21 Error Code

Long drain time — water isn't draining within the expected timeframe

What Causes the F21 Error?

Clogged drain filter
Kinked or blocked drain hose
Failed drain pump

How to Fix It — Step by Step

Step 1: Check and clean the drain filter at the bottom front of the machine
Step 2: Inspect the drain hose for kinks or clogs
Step 3: If the error persists after cleaning, the drain pump may need replacement

Difficulty: Easy

🔧 Part Needed: Drain Pump Assembly

Source the exact replacement part yourself and skip the technician markup.

Find the Drain Pump Assembly on Amazon →

⏰ This error won't fix itself. The part costs less than a diagnostic visit.

Don't wait — a small part failure can cause cascading damage. Order the Drain Pump Assembly and get your Whirlpool washing machine running again today.

Frequently Asked Questions

What does F21 mean on a Whirlpool washing machine?

Long drain time — water isn't draining within the expected timeframe

Can I fix the F21 error on my Whirlpool washing machine myself?

Yes. This repair is rated "Easy" and the part you need is a Drain Pump Assembly. Most homeowners can complete this fix with basic tools. Always disconnect power before starting any repair.

How much does it cost to fix the F21 error on a Whirlpool washing machine?

A service call alone costs $100–200. The Drain Pump Assembly is typically much less when you source it yourself — far cheaper than hiring a pro. You'll save the most by doing the swap yourself.