CONCERN: Customer reports Oven is not heating well. 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. Main PCB control relays are weak as a result. CORRECTION: installed new main pcb and bake element. Test unit. Test ok.