Susan K L Fort Valley , VA June 14, 2020 Appliance: Frigidaire Frigidaire/Laundry Center FEX831CS0 Frigidaire Washer Dryer Combo Fex831cs0: Timer malfunctioned. How to replace Timer Knob. Replaced the timer and knob. Do-It-Yourself Rating: Repair Time Estimate: 1-2 hours