Frigidaire Dishwasher i20 error code
Dishwasher
Frigidaire dishwasher error code i20 means: Drain line restricted — clean the filter and straighten the drain hose. Some displays show this as i40 or iF0. This guide covers how to reset the code, the most common causes, step-by-step troubleshooting, and replacement parts that typically resolve i20.
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MPN: 154637401
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Safe to keep using?
Stop using
No immediate safety hazard detected, but monitor during use.
- • 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
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
What it means
Drain line restricted — clean the filter and straighten the drain hose.
How to fix it
- 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.
FAQ
What does i20 error code mean on a Frigidaire dishwasher?
Drain line restricted — clean the filter and straighten the drain hose.
What does Frigidaire i20 mean?
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.
Do I need a replacement part for i20?
Often yes — error i20 frequently points to a failed component. Check the recommended parts below for direct replacements.
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: 2026-08-24
Repair guidance is for informational purposes only. We do not guarantee that any fix will resolve your issue, and you assume all risk when following these steps. Terms & disclaimer
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