Alton J Catawba , NC January 12, 2016 Appliance: Samsung Washer WF448AAW/XAA Samsung Washer Wf448aaw/Xaa / : Machine would not pump water from drum after wash cycle. How to replace Assy Pcb Main;Purple. Installed new PCB reassembled machine and powered up. All cycles work properly. The machine pumps out the water. It would be helpful to keep up with where the screws were removed from so they could be replaced in the proper holes. Do-It-Yourself Rating: Repair Time Estimate: 15-30 minutes