Thomas G Bessemer , AL January 20, 2022 Appliance: Whirlpool Dishwasher WDF520PADB7 Whirlpool Dishwasher Wdf520padb7: Whirlpool dishwasher not cleaning/drying dishes. Blinking sanitized light. How to replace Dishwasher Heating Element. Replaced the heating element. It fixed the problem. Now I just need to reprogram the control to eliminate the blinking light. Do-It-Yourself Rating: Repair Time Estimate: 30-60 minutes