Marcus R Chandler , AZ November 17, 2014 Appliance: Amana Free Standing Electric Range AER5845QAB Amana Range Aer5845qab: The oven would not heat up. How to replace Oven Bake Element. Removed the lower heating element and replaced it with a new whirlpool certified replacement part provided by appliance parts pros. Do-It-Yourself Rating: Repair Time Estimate: 15-30 minutes