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Frigidaire Dishwasher i20 error code

On Frigidaire dishwashers, error i20 indicates: Drain line restricted — clean the filter and straighten the drain hose. Some displays show this as i40 or iF0. Start with a 5-minute power reset at the breaker, then follow the dishwasher-specific checks below before ordering replacement parts for i20.

Reviewed August 2025 · sources below

Safe to keep using?

Stop using

Severe overheating requires stopping use until the cause is identified.

  • • Unplug the appliance before inspection.
  • • Turn off the water supply before disconnecting hoses.
  • • Do not continue using the appliance until the cause is identified.

1 product recall may apply

Brand-level matches — verify your model.

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  • Certain Sears Kenmore Dishwashers May Pose Fire Hazard

    Feb 1993 · Confirm your model

    Notice

Next step

Still seeing i20?

Show a photo or describe the symptom. Answer a few safety-first questions and see whether a part is needed.

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How to fix i20

  1. Unplug the dishwasher or turn off power at the breaker before inspecting any components.
  2. Reset Frigidaire i20: leave power off for 5 minutes, restore power, then restart. Confirm whether i20 returns.
  3. Check the most common cause for i20: Drain line restricted — clean the filter and straighten the drain hose.
  4. Inspect hoses, connections, and visible wiring for damage, clogs, or loose fittings.
  5. If a reset and basic checks don't clear the code, the fix often requires a replacement part (see recommended parts below).
  6. Reassemble, restore power, and run a test cycle. If i20 returns, the faulty component likely needs replacement.

Call a pro when: Call a technician if you smell burning, see sparking, hear grinding from the motor, or the code returns after replacing the suspected part.

What i20 means

Drain line restricted — clean the filter and straighten the drain hose.

Buy the replacement part

Frigidaire Dishwasher Drain Pump

MPN: 154637401

Check current price on Amazon

Amazon link · paid affiliate link. Confirm fit and listing before ordering.

DIY Difficulty
4 /10MODERATE

DIY difficulty: 4/10 — this repair usually requires appliance disassembly.

Time: 30–60 minutes
Risk: Moderate
Skill: Intermediate
Tools: Screwdriver, Adjustable pliers, Flashlight, Work gloves, Socket set
Power disconnect requiredWater shutoff requiredDisassembly required

Likely causes

Most likelyUser-serviceable issue

Many codes resolve with cleaning, resetting, or reconnecting.

Check: Power-cycle the appliance and check for obvious blockages or loose connections.

Est. cost: $0–$0

PossibleFailed component

Wear or electrical failure of an internal part.

Check: If basic checks fail, the faulty component likely needs replacement.

Est. cost: $0–$75

Repair or Replace?

DIY repair

$26–$49

Professional repair

$191–$259

Comparable replacement

$659–$891

Our recommendation

REPAIR LIKELY MAKES SENSE

REPAIR LIKELY MAKES SENSE. Professional repair ($191–$259) is well below replacement cost.

Actual repair and replacement costs vary by model, location, labor rate, and condition.

Professional assistance recommended

This issue may be unsafe for DIY repair. Follow the safety guidance above and contact a qualified technician.

Questions about i20

What does i20 error code mean on a Frigidaire dishwasher?

Drain line restricted — clean the filter and straighten the drain hose.

How do I reset Frigidaire dishwasher i20?

Unplug the dishwasher or switch it off at the breaker for 5 minutes, then restore power and restart. A reset clears a stored i20 after a glitch, but the code will return if the underlying fault is still present.

What part do I need for Frigidaire i20?

Often yes — error i20 frequently points to a failed component. Check the recommended parts below for direct replacements.

Can I fix Frigidaire error i20 myself?

Many i20 errors can be fixed DIY if you're comfortable with basic tools. Start with the reset and steps above. If the issue involves electrical components or the code returns after replacing parts, call a professional.

Frigidaire i20 on specific models

Other Frigidaire Dishwasher codes

Prevent this problem next time

  • Follow manufacturer maintenance schedule
  • Address small issues before they worsen

Sources

Manufacturer meaning

Drain line restricted — clean the filter and straighten the drain hose.

FixApplianceCode guidance

Start with basic checks for Frigidaire i20 before ordering parts.

Source type: Part database

Source: ModelPartFinder + FixApplianceCode editorial

Last reviewed: 2026-10-23

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