f21
Moderate
Whirlpool · Washing Machines
Long drain issue (Duet models)
Quick Answer
Error code F21 on your Whirlpool Washing Machines means: Long drain issue (Duet models). This is usually fixable — see the step-by-step guide below.
Likely Causes
How to Fix It
1
Step 1: Remove the lower front access panel.
2
Step 2: Twist out the drain pump filter and rinse under running water.
3
Step 3: Check the drain hose for kinks or clogs.
4
Step 4: Remove any visible debris from the pump area.
5
Step 5: If the pump is not functioning, replace it.
Pro Tip
This fix requires some technical knowledge. If you're unsure about any step, consider contacting support or a qualified technician.
Parts You May Need
Drain pump
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