Thomas H Colorado Springs , CO February 02, 2024 Appliance: Samsung Refrigerator RF4287HARS/XAA-0000 Samsung Refrigerator Rf4287hars/Xaa-0000 / : Multiple error codes. Not cooling or freezing. Temperature on panel didn't match actual temperature. How to replace Refrigerator Main Pcb Assembly. Replaced the main control board. Do-It-Yourself Rating: Repair Time Estimate: Less than 15 minutes