Gary B Redondo Beach , CA August 28, 2015 Appliance: Maytag 24" Built-In Gas Oven CWG3100AAB25 Maytag Oven Cwg3100aab25: Oven would not heat up past 100 degrees and the light switch was broken. How to replace Appliance Light Bulb. A new ignitor was installed, and a new light switch was installed 7 People found this story helpful Do-It-Yourself Rating: Repair Time Estimate: 15-30 minutes