F21Warning

Kenmore Dishwasher F21 Error Code

Dishwasher is not draining properly. Water remains in the tub after the drain cycle.

Common causes

  • Clogged drain hose or filter
  • Faulty drain pump
  • Drain hose kinked or blocked

How to fix it

  1. Check and clean the drain filter at the bottom of the tub
  2. Inspect drain hose for kinks or clogs
  3. Remove any debris from the sump area
⚠ When to call a pro: If water still doesn't drain after cleaning the filter and hose, call a technician.

Part links are affiliate links — as an Amazon Associate we may earn a small commission at no extra cost to you.

Always unplug the appliance (and turn off the water for washers/dishwashers) before inspecting. These guides are for information only and are not a substitute for a professional repair.