Frank T Sound Beach , NY February 09, 2024 Appliance: Whirlpool Washer WFW9250WW00 Whirlpool Washer Wfw9250ww00: F9 e1 error code. How to replace Water Pump. After checking the strainer for obstructions, I ordered and replaced the drain pump. Do-It-Yourself Rating: Repair Time Estimate: 30-60 minutes