Micah H Sparks , NV May 19, 2015 Appliance: Magic Chef Refrigerator MCBR1010W Magic Chef Refrigerator Mcbr1010w: Refridge stopped cooling. How to replace Ptc Starter (Compressor Start Thermistor), 1. Checked the defrost timer. Had a friend check the compressor. The ptc was toast. Ordered the part friday morning. It showed up Saturday afternoon with regular shipping. Installed new part and the compressor fired right up. Best price I found was here. 1 People found this story helpful Do-It-Yourself Rating: Repair Time Estimate: 30-60 minutes