Josh W Austin , TX September 13, 2021 Appliance: Samsung Dishwasher DW80F600UTS/AA-0000 Samsung Dishwasher Dw80f600uts/Aa-0000: Screeching sound during sanitize cycle. How to replace Dishwasher Fan Seal. Deduced that the sound was coming from the blower in the front door. Removed old fan and found that the blades had warped and were hitting the housing. Replaced the blower assembly and all is good. For now. Do-It-Yourself Rating: Repair Time Estimate: Less than 15 minutes