Frigidaire Dishwasher Error I20
⚡ Quick Answer: The Frigidaire dishwasher I20 error code indicates a drainage problem, typically occurring when the unit fails to drain properly within the expected t... ✅ DIY Fixable
What Does Error I20 Mean?
The Frigidaire dishwasher I20 error code indicates a drainage problem, typically occurring when the unit fails to drain properly within the expected time. Symptoms include the dishwasher stopping mid-cycle, standing water in the tub, and the display flashing. Common causes are clogged filters, blocked drain hoses, incorrect hose height, or a malfunctioning drain pump. Addressing these issues promptly is essential to restore proper function.
Common Symptoms:
- Dishwasher stops mid‑cycle and displays I20 code when trying to drain
- Standing water remains in dishwasher tub after cycle
- Dishwasher fails to complete wash sequence due to drainage timeout
Possible Causes
- Clogged filters or food debris obstructing drainage (high)
- Blocked or kinked drain hose (high)
- Incorrect drain hose height/setup resulting in poor drain performance (medium)
- Drain pump malfunction or blockage at pump impeller (medium)
How to Fix Error I20
DIY Fix Basic Drainage Troubleshooting
- Turn off the dishwasher and disconnect power.
- Remove the bottom rack and clean out the filters and sump area of any food debris or grime.
- Check the drain hose behind the dishwasher for kinks, obstructions, or improper routing and ensure the hose is looped to the correct height (minimum ~32 inches).
- Reconnect power and run a short drain or rinse cycle to see if the I20 code clears.
Technician Only Inspect and Service Drain Pump & Internal Drain Path
- Disconnect power and access the dishwasher’s lower access panel.
- Check the drain pump impeller for lodged debris or mechanical seizure; clear obstructions if present.
- Verify the pump motor operation with appropriate tools; replace the pump if it fails to operate or does not move water.
- Check related wiring and connections to the drain pump for corrosion or looseness.
Parts needed: drain pump assembly, drain hose, filters/sump assembly
- If the I20 code persists after cleaning filters and hose inspections.
- If the drain pump is unresponsive or emits unusual sounds indicating failure.
- If there are signs of water leakage or electrical faults during diagnosis.
Next step
Choose the next step for I20
Confirm the diagnosis before ordering. An error code can identify the system involved, but it does not prove that a specific part has failed.
Most relevant component to inspect
Drain Pump
Pumps waste water out of the appliance during the drain cycle.
- Typical part-only price
- $35 - $80
- DIY difficulty
- Easy
- Estimated time
- 15-30 mins
Where can I find the model number?
Check the rating label around the door, lid, frame, rear panel, or inside the appliance cabinet. Use the complete model number, including suffixes.
Verify the complete model and part number on the retailer's compatibility page before ordering.
Other parts options
Check related components first; use model search as a fallback.
Drain Hose
Carries waste water from the drain pump to your home's standpipe or sink drain.
Model-compatible Dishwasher parts
Enter the complete model number to browse compatible replacement parts. This is a model-based parts search, not a diagnosis that a specific component failed.
Affiliate disclosure: As an Amazon Associate I earn from qualifying purchases. We may earn a commission from other qualifying purchases or service requests made through links on this page, at no additional cost to you. Recommendations are based on repair relevance, not commission rate.
Optional routine care
Maintenance supplies
These products support cleaning or routine upkeep. They are separate from the possible repair components above and are not claimed to fix this error code or symptom.
Dishwasher Cleaner and Descaler
Supports routine removal of mineral scale, grease, and odor. It is maintenance, not a repair for a failed pump, valve, or control.
Braided Dishwasher Inlet Hose
For replacement of an externally damaged supply hose. Verify connection size, length, and appliance installation requirements before ordering.
Affiliate disclosure: As an Amazon Associate I earn from qualifying purchases. Recommendations are based on routine-care relevance, not commission rate.
Technical Specifications
| wattage | 60W |
|---|---|
| component | Drain Pump |
| resistance | 10-30 ohms |
| part_number | 154567401 |
| voltage_rating | 120V AC |
Common Questions
What does I20 error mean on frigidaire dishwasher?
I20 error means the dishwasher has a drainage issue, failing to lower the water level in time.
Can I fix frigidaire dishwasher I20 error myself?
Yes, you can clean filters, check the drain hose, and inspect for kinks.
How much does it cost to fix I20 error?
Estimated repair costs range from ¥10,000 to ¥30,000, depending on parts and region.
When should I call a technician for I20?
Call a technician if the error persists after troubleshooting or if the pump is unresponsive.
Sources & References
Data last verified: 2026-07-25
User Comments (0)
Share your experience or solution below.
Please login to post a comment.
Be the first to comment!