Ion N Winterville , NC September 17, 2017 Appliance: Model RMC257PVS01 Door error and line fuse keeps blowing up each time being replaced Tested the High Voltage Capacitor which showing no capacitance and no resistance. Replaced it together with the diode and the line fuse no longer blew and the microwave is back in service. 5 People found this story helpful Do-It-Yourself Rating: Repair Time Estimate: 30-60 minutes