What to do now
Check the accessible drain path and filter area before attempting a reset.
Error code
Frigidaire Frigidaire Dishwasher Error Codes Error i20: Meaning, Safe Checks and Official Source
The dishwasher did not drain properly. Check the accessible drain path and filter area before attempting a reset. Do not keep running the appliance if the code returns or a safety sign appears.
Applies to: Frigidaire dishwasher official Owner Center support article scope.Confidence HIGHLast verified 2026-07-29
Applies to
- Frigidaire dishwashers covered by the cited Owner Center support article
- Displayed i20 code in that Frigidaire support scope
Region: US. This page does not generalize the code to every Frigidaire washer.
What the code means
The dishwasher is reporting a drain condition. Frigidaire points first to disposer knockout, drain hose restriction, drain hose height, and glass trap or filter debris.
Confirmed: Frigidaire documents i20 as a dishwasher error code indicating that the unit is not draining properly.
Can you keep using it?
Only after safe supply checks and only if the code clears.
When to stop
Stop if standing water remains, water leaks, electrical access is unsafe, or the dishwasher would need to be moved.
When to call a professional
Contact Frigidaire service if the code persists after the official accessible checks and reset.
Safe checks
- Confirm the display reads i20.
- Check that the disposer knockout plug has been removed if the dishwasher drains through a disposer.
- Check that the drain hose is not blocked, obstructed, pinched, or restricted.
- Make sure the glass trap or filter is clear of food soils if safe access is available.
Confirmed by the manufacturer
- The dishwasher is not draining properly.
- The disposer knockout plug may still be present.
- The drain hose may be blocked, obstructed, pinched, restricted, or installed at the wrong height.
- The glass trap or filter may contain food soils.
Commonly associated with this fault
- A recent disposer installation, kinked drain hose, low drain hose loop, or dirty filter can fit Frigidaire’s official i20 guidance.
Not confirmed for this exact model
- A failed drain pump, control, sensor, or harness is not confirmed by i20 alone.
Reset instructions
Frigidaire lists pressing or holding cancel, turning power off at the breaker, or unplugging the dishwasher for 3 minutes as reset options.
Do not keep resetting if i20 returns after accessible drain checks.
Information to collect before calling service
Record model label, exact i20 display, water level, disposer connection, drain-hose routing, filter state, and reset attempts.
Official source
Frigidaire documents i20 as a not-draining code and lists disposer knockout, drain hose, drain height, glass trap or filter, and reset checks.
- Source
- Frigidaire (A)
- Section
- Dishwasher Error Code i20 - Unit did not drain properly
- Last checked
- 2026-07-29