Dan B Austin , TX November 23, 2014 Appliance: General Electric Electric Range RB526C4WW Ge Range Rb526c4ww: Oven cycle light stayed on. How to replace Electric Range Oven Control Thermostat. I purchased the temperature control switch from Appliance Pros. and replaced the part very easily. Do-It-Yourself Rating: Repair Time Estimate: 15-30 minutes