Whirlpool Duet Washer F21 Error Code Fix: Long Drain (DIY Guide)
Note: This guide is based on verified repair protocols. As an Amazon Associate, I earn from qualifying purchases. The washer stops with water still in the drum, flashing F21. This code stands for “Long Drain”. It means the washer tried to pump the water out for 8 minutes but couldn’t finish the job. ⚠️ Don’t … Read more