Dishlex Dishwasher Error i20
⚡ Quick Answer: The Dishlex dishwasher error code i20 indicates a drainage problem, which occurs when the appliance fails to drain water properly during or after a wa... ✅ DIY Fixable
What Does Error i20 Mean?
The Dishlex dishwasher error code i20 indicates a drainage problem, which occurs when the appliance fails to drain water properly during or after a wash cycle. This often results in standing water in the tub, interruptions in the cycle, and beeping or flashing indicators displaying the i20 error. Common causes include blockages in the drainage hose or sink connection, debris in the filter or sump area, and potential faults in the drain pump or pressure sensor.
Common Symptoms:
- Standing water in dishwasher tub
- Cycle stops mid‑program
- Beeping or flashing indicators with i20 displayed
Possible Causes
- Drainage blockage in hose or sink/spigot connection (medium)
- Filter/sump debris obstructing water flow (medium)
- Jam or fault in drain pump or pressure/level sensor (low)
How to Fix Error i20
DIY Fix Check basic drainage components
- Turn off and disconnect power to the dishwasher.
- Inspect and clean the dishwasher’s internal filter and sump area of debris.
- Check the external drain hose for kinks, bends, or visible obstructions.
- Ensure the sink spigot/drain where the dishwasher hose connects is not blocked.
- Reposition the drain hose to correct installation height and routing.
- Reconnect power and run a short cycle to test drainage.
Technician Only Inspect and service drain pump and sensors
- Disconnect dishwasher from power and water supply.
- Remove access panels to reach the drain pump and pressure/level sensor.
- Inspect and test the drain pump for impeller jams, motor operation, and electrical continuity.
- Check pressure/level sensor for proper operation and cleanliness; replace if faulty.
- Reassemble and run a diagnostic cycle to confirm resolution.
Parts needed: Drain pump assembly, Pressure/level sensor, Hose clamps and possibly replacement hose
- If drainage issues persist after cleaning filters and hoses
- If drain pump makes unusual noise or fails to operate
- If water remains standing repeatedly and the machine fails to complete cycles
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.
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.
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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
| note | The previous model-independent part specification was removed. Verify the full model number and diagnosis in the manufacturer's official parts catalog before ordering. |
|---|---|
| part_number | None |
Common Questions
What does i20 error mean on Dishlex dishwasher?
The i20 error indicates a drainage issue, typically characterized by standing water in the dishwasher.
Can I fix Dishlex dishwasher i20 error myself?
Yes, you can check and clean the filter, sump area, and external drain hose for blockages.
How much does it cost to fix i20 error?
The estimated repair cost for the i20 error ranges from $100 to $350, including parts and labor.
When should I call a technician for i20?
Call a technician if drainage issues persist after cleaning, if the drain pump is noisy, or if water remains standing.
Sources & References
Data last verified: 2026-07-31
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