Thomas A Colts Neck , NJ October 31, 2015 Appliance: Samsung Dishwasher DMT800RHS/XAA Samsung Dishwasher Dmt800rhs/Xaa / : Overfill error. How to replace Assy-Case Sensor;Dmt800,. Your online advice was perfect. I removed the dishwasher and replaced the park in about 30 minutes. The $40 part save me a $200 plus repair man bill. Thanks much Do-It-Yourself Rating: Repair Time Estimate: 15-30 minutes