Written by
Maya Ortiz Appliance Repair Content SpecialistPublished October 20, 2026
Whirlpool®
Code overviewat a glance.
The facts for this Whirlpool error, a plain-language snapshot, and what to confirm against your model number.
F21
Error codeF21
ApplianceWasher
Quick answer
F21 points to a drain problem on a front load washer; hose checks and a reset are listed.
Model note: Whirlpool reuses codes across series and model years, so F21 may mean something different on another appliance or generation. Confirm this against your model’s documentation and record your full model number before acting.
Whirlpool®
What this codemay mean.
A plain-language reading of the code — always confirm against your model’s documentation.
Mean
F21 indicates a drain problem.
A drain problem is what F21 indicates on a front load Whirlpool washer. Product Help raises two questions about the drain hose.
Drain hose
Is the drain hose kinked?
Is the drain hose clogged?
Power reset
Resetting the control can sometimes solve the issue. After that, take power away from the washer for 5 minutes (pull the plug, or flip the breaker off), put it back, and look at the display for the code.
F24: too much laundry for the program, or too much inlet water
Washer repair for Whirlpool in Los Angeles
If the drain hose is clear and F21 returns, call (310) 448-6692 about Whirlpool washer repair in Los Angeles. Have the model number and your hose and reset checks to hand.
Stop immediately if you notice smoke, sparks, a burning smell, gas odor, or water near electrical parts.
Safe
Important
Do not attempt repairs involving electrical components, gas, water lines, refrigerant or sealed systems. Unplug the appliance if it is safe to reach the outlet, and leave internal diagnostics to a qualified technician.
Whirlpool®
Seeing this codeon your appliance?
Book an Whirlpool appliance service visit for a clear estimate and approval before any repair.
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Experienced technicians, clear diagnostics, and workmanship coverage on completed repairs.
