CONCERN: Customer reports Oven is not heating. CAUSE: Tested wall receptacle for proper voltage, line voltage at wall receptacle is normal. Inspected oven cord and terminal block for wear or electrical shorts. No signs of electrical short at power cord or oven terminal block. Inspected oven bake element terminal and found Oven bake element terminal failure. CORRECTION: Replaced oven bake element and tested. Operation now normal. CONCERN: Customer reports oven is not working. DIAGNOSTIC AND CAUSE: Inspected oven for proper wall outlet voltage to the oven, Output voltage normal at the time of inspection. Inspected voltage input at the main control board, input voltage to the main control board normal at the time of inspection. Found oven main control board failed. CORRECTION: Replaced and tested, operation now normal.