Nita D Bloomington , IN August 23, 2015 Appliance: Maytag 34" Gas Built-In Downdraft Cooktop CVGX2423B18 Maytag Cooktop Cvgx2423b18: Down draft fan switch was broken. How to replace Switch-Fan. Removal of side plates, top plate and switch holder plate. 1 People found this story helpful Do-It-Yourself Rating: Repair Time Estimate: 15-30 minutes