John M Ottsville , PA October 14, 2016 Appliance: Samsung Washer WF42H5200AW/A2-0000 Samsung Washer Wf42h5200aw/A2-0000: Error code e4 the washer stopped at the rinse cycle and would not fill with water. How to replace Washer Water Inlet Valve. The error code implies a faulty fill valve. This was not the case for me. Replacing the main PCB assembly solved the problem. I have run two full loads since the repair with no problems. 15 People found this story helpful Do-It-Yourself Rating: Repair Time Estimate: 15-30 minutes