Richard A Aiken , SC April 18, 2020 Appliance: Whirlpool Refrigerator ET18AKXRWR0 Whirlpool Refrigerator Et18akxrwr0: The refrigerator would not run at all. No fan or compressor running only the light would work. How to replace Defrost Timer. I replaced the defrost timer. Do-It-Yourself Rating: Repair Time Estimate: 30-60 minutes