Steven T Evans City , PA May 12, 2017 Appliance: Whirlpool Washer WFW9050XW00 Whirlpool Washer Wfw9050xw00: F9 E1 error code; washer would stop after wash or rinse cycle. How to replace Water Pump. Replaced water pump. The video on the site ensured there were absolutely no surprises when I performed the repair. 1 People found this story helpful Do-It-Yourself Rating: Repair Time Estimate: Less than 15 minutes