John F Paw Paw , MI September 14, 2015 Appliance: Model WHIRPOOL WASHER WFW9500TC1 Suds error Did routine cleaning and impeller check on water pump...All OK. Checked air flow on 'Water Level Switch' connection tube. Test Ok. Test indications and online Discussion Topics pointed to a defective 'Water Level Switch' Ordered WLS and installed.......FIXED !! Thanks AppliancePartsPROS 1 People found this story helpful Do-It-Yourself Rating: Repair Time Estimate: Less than 15 minutes