i20
Easy Fix
Frigidaire · Dishwashers
Drain Issue - Water Not Draining or Draining Too Slowly
Quick Answer
Error code i20 on your Frigidaire Dishwashers means: Drain Issue - Water Not Draining or Draining Too Slowly. This is usually fixable — see the step-by-step guide below.
Affected Models
Applies to all models
Likely Causes
How to Fix It
1
Inspect the drain hose under the sink for kinks or visible blockages and straighten if needed
2
If connected to a garbage disposal, run the disposal to clear blockage and verify the knockout plug was removed
3
Remove the lower spray arm and filter assembly and check the drain pump area for debris
4
Ensure the drain hose has a proper high loop (at least 20 inches from the floor) or an air gap is installed
5
Run a short drain cycle to verify the water now drains properly
Pro Tip
This is a common issue that most users can resolve without specialized tools. Try the first step before moving on to more complex solutions.
Parts You May Need
Drain hose (if damaged or too long)
Drain pump (model-specific, if impeller is damaged)
Hose clamps
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