Michael S Bear , DE February 05, 2016 Appliance: Frigidaire Frg(V1) / Electric Dryer FDE546RES1 Frigidaire Dryer Fde546res1: Dryer timer would not advance in automatic dry mode worked fine in timed mode. How to replace Dryer Timer Power Resistor. Replaced the power resistor on the timer assembly. Solved the problem. 4 People found this story helpful Do-It-Yourself Rating: Repair Time Estimate: 15-30 minutes