i20 Moderate Easy DIY

Frigidaire Dishwasher i20 — Drain Blocked

Frigidaire Dishwasher · Error code i20

What i20 Means

i20 means the dishwasher cannot drain — water is not leaving the tub. Usually a clogged filter or drain path.

Symptoms

  • Standing water in the tub
  • Cycle stops
  • i20 on the display

Common Causes

1
Clogged filter / drain path

Food debris in the bottom filter and sump. Clean first.

2
Clogged drain hose or air gap

A blockage at the hose, air gap, or disposal inlet.

How to Fix It

  1. Clean the bottom filter and sump.
  2. Clear the drain hose and air gap; confirm the disposal knockout plug is removed.
  3. Test the drain pump if it still will not drain.

Parts You May Need

If diagnosis points to a failed part, these are the common replacements. As an Amazon Associate we earn from qualifying purchases.

Common replacement Frigidaire Dishwasher Drain Pump View on Amazon→

Related Repair Guides

Dishwasher Not Draining — How to Fix Standing Water →

More Frigidaire Dishwasher Codes

Cd Cd — Clean indicator CL CL — Close the door ER ER — General electronic control fault Hot Hot — Water inlet too hot HS HS — Heater sensor fault i10 i10 — Water Not Detected (Fill)

All Frigidaire codes → All dishwasher codes →

Always unplug an appliance before servicing it. This guide is for informational purposes and is not a substitute for a qualified technician.