Frigidaire Dishwasher i20 error code
- Dishwasher
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.
Show
1 product recall may apply
Brand-level matches — verify your model.
- Notice
Certain Sears Kenmore Dishwashers May Pose Fire Hazard
Feb 1993 · Confirm your model
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.
Free guided checks · No account required · Don’t open live electrical, gas, or refrigerant equipment
How to fix i20
- Unplug the dishwasher or turn off power at the breaker before inspecting any components.
- Reset Frigidaire i20: leave power off for 5 minutes, restore power, then restart. Confirm whether i20 returns.
- Check the most common cause for i20: Drain line restricted — clean the filter and straighten the drain hose.
- Inspect hoses, connections, and visible wiring for damage, clogs, or loose fittings.
- If a reset and basic checks don't clear the code, the fix often requires a replacement part (see recommended parts below).
- 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
Likely causes
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
Wear or electrical failure of an internal part.
Check: If basic checks fail, the faulty component likely needs replacement.
Est. cost: $0–$75
Professional assistance recommended
This issue may be unsafe for DIY repair. Follow the safety guidance above and contact a qualified technician.
Repair videos
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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