Frigidaire · Dishwasher
i20 Clogged filter / drain restriction
What this code means
On Frigidaire's numeric-code models, i20 specifically flags a clogged filter or restricted drain path — a related but distinct fault from the iE fill error.
Most likely causes
- Food debris packed in the bottom filter
- Kinked or clogged drain hose
What to try first
Remove and rinse the filter assembly at the bottom of the tub, then check the drain hose.
Good news: this one is often fixable without a service call. If it persists after the steps above, have it looked at.
Find the part on Amazon →FAQ
What does Frigidaire error code i20 mean?
Clogged filter / drain restriction. On Frigidaire's numeric-code models, i20 specifically flags a clogged filter or restricted drain path — a related but distinct fault from the iE fill error.
Can I fix Frigidaire code i20 myself?
Often, yes. Remove and rinse the filter assembly at the bottom of the tub, then check the drain hose.
What causes Frigidaire code i20?
The most common causes are: food debris packed in the bottom filter; kinked or clogged drain hose.
Other Frigidaire dishwasher codes
All Frigidaire dishwasher error codes →
Other dishwasher brands: Bosch · Whirlpool · KitchenAid · Samsung · GE · LG · Maytag · Generic · Electrolux · Kenmore
This information may contain errors or not apply to your exact model — always double-check it against your appliance's own manual before acting. If there's any chance of a gas, fire, electrical, carbon monoxide, or other safety hazard, stop and call a licensed professional or the appropriate agency (e.g. your gas utility) instead of relying on this page alone.