Frigidaire Dishwasher i20 — i20 means water stayed in your Frigidaire dishwasher past the drain window — a clogged filter or drain line.

What i20 means on your Frigidaire dishwasher (frigidaire i20 error)

A frigidaire i20 error means water remained in the tub past the drain window on your Frigidaire dishwasher. Frigidaire documents i20, i40, and iF0 as the same drain-line-restricted or filters-clogged condition, so the checks are identical for all three. Standing water in the sump is the classic sign.

Symptoms

These are the indicators that pin the condition on your Frigidaire dishwasher instead of a lookalike fault that would need a different fix. The dishwasher might produce a lone sign or a handful at once, either building gradually or appearing abruptly after a power cut, a hard cycle, or recent handling.

• Standing water in the bottom of the tub
• Dishes are still wet at the end of the cycle
• A long cycle that does not finish
• A gurgling sound at the drain step

Common causes

More than one fault can drive this behaviour on a Frigidaire dishwasher, so it pays to weigh the likeliest causes before the rare ones. Ruling them out in order shows whether your dishwasher has an owner-fixable issue or one that calls for a technician and the right components.

• Clogged filter or glass trap — food debris blocks the filter assembly
• Debris in the sump — soft food or glass restricts the pump intake
• Kinked or clogged drain hose — the hose to the disposal or standpipe is blocked
• Air-gap blockage or knockout plug — a disposal knockout plug was left in place

Troubleshooting steps you can try

Attempt the following on your Frigidaire dishwasher step by step before you call anyone out. Anything on the dishwasher that involves mains power, gas, a hot cavity, water, or a sealed component is where you should stop and bring in a qualified technician.

1. Remove the bottom rack and twist out the filter assembly, then rinse it and clear the sump of debris.
2. Check the drain hose for kinks and the air gap for blockage.
3. If newly connected to a garbage disposal, confirm the knockout plug was removed.
4. Press START/CANCEL to drain; if water remains the drain pump needs testing.

Parts a technician may replace

A technician diagnosing your Frigidaire dishwasher may check, test, or renew the filter, glass trap, sump, drain hose, air gap, and drain pump, depending on where the fault lands. The correct component for the dishwasher is identified from the model and serial number, and genuine OEM parts are sourced through trusted suppliers rather than generic substitutes, so the safety and working life of the dishwasher are not compromised. Pinning down the failed part before ordering avoids replacing more of the dishwasher than the fault calls for.

When to call a technician

i20 that stays after the filters, hose, and air gap are clear needs a technician to test the drain pump. This fault carries a Medium severity rating on a dishwasher, so nothing needs doing this minute — but a recurring i20 after the checks above is a job for a technician, who should confirm the cause on the dishwasher first. This is an independent repair service, not affiliated with the manufacturer — experienced, skilled technicians work on your dishwasher, genuine OEM parts come from trusted parts suppliers, and the workmanship on the dishwasher carries a 30-day labor warranty. Have your Frigidaire dishwasher model and serial number ready when you book, so the right part for your exact build is matched before the visit and the i20 condition dealt with in as few trips as possible.

Related help and Frigidaire resources

If the i20 condition keeps returning after these checks, book Frigidaire dishwasher repair, browse our dishwasher error-code guides and step-by-step repair guides, or schedule service in your area on our locations page. See also the related i40 drain variant. Manufacturer specifications and the model lookup for your Frigidaire dishwasher are published at frigidaire.com.