ERROR CODE EXPLAINED
Whirlpool Front Load Washer
Whirlpool Front Load Washer F21 Error Code
What it means
Whirlpool indicates F21 means the washer has a drain problem.
Try this first
- Check the drain hose for kinks.
- Check the drain hose for a clog.
- Disconnect the washer from its power source for 5 minutes.
- If the washer is plugged into an outlet, leave it unplugged for the full 5 minutes.
- Reconnect the washer to power.
- Check whether the code returns.
Can I keep using it?⚠ Check the drain hose before resetting the washer
Repair usually required?⚠ Further diagnosis may be needed if F21 returns after the hose checks and reset
If the error keeps returning
If F21 returns after checking the drain hose and completing the 5-minute reset, use the linked Whirlpool Product Help article.
Official source
Troubleshooting information verified against manufacturer support documentation.
View manufacturer support page →Safety note:ApplianceSignal provides general troubleshooting information. Always follow the appliance manufacturer's safety instructions and disconnect power when required.