Tom S American Canyon , CA August 10, 2014 Appliance: Kenmore Microwave Hood Combo 40188523900 Kenmore Microwave 40188523900: Microwave hood fan light was burned out. How to replace Microwave Halogen Lamp. The new bulbs came it Styrofoam holders so I used them to install the bulbs not having to touch the bulbs. 10 People found this story helpful Do-It-Yourself Rating: Repair Time Estimate: Less than 15 minutes