Beko Dishwasher Error i20
⚡ Quick Answer: The Beko dishwasher error code i20 indicates a drainage issue, typically caused by a blockage in the drain hose, filter, or pump. This error often res... ✅ DIY Fixable
What Does Error i20 Mean?
The Beko dishwasher error code i20 indicates a drainage issue, typically caused by a blockage in the drain hose, filter, or pump. This error often results in the machine halting mid-cycle and leaving standing water in the bottom. Unusual sounds may also be heard from the pump during this time. To resolve this, it is essential to inspect and clear the drainage components to ensure proper water flow and drainage.
Common Symptoms:
- Error appears during or after a wash cycle when the machine attempts to drain
- Water remains in the bottom of the dishwasher (standing water)
- Wash cycle halts early and appliance may not start a new cycle
Possible Causes
- Drainage obstruction (filter, drain hose, air gap) (medium)
- Drain pump issue (blockage or failure) (medium)
- Water level/pressure sensor misreading (low)
How to Fix Error i20
DIY Fix Check and clear basic drainage components
- Disconnect the dishwasher from power.
- Remove and clean the bottom filter and any mesh screens of food debris.
- Inspect and clear the drain hose of kinks or obstructions.
- Check the air gap (if installed) for any food residue.
- Restart the dishwasher to see if the error clears.
Technician Only Inspect and test drain pump and sensors
- Access internal drainage system and remove pump cover.
- Check for foreign objects in the drain pump and impeller.
- Test drain pump electrical function with appropriate tools.
- Inspect water level/pressure sensor for blockages or faults.
Parts needed: drain pump, pressure/water level sensor, drain hose
- If standing water persists after cleaning filters and hoses
- If drain pump tests show no operation or abnormal noise
- If error returns immediately after basic checks
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.
Pressure Switch
Detects the water level inside the tub and signals when to start or stop filling.
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 | 30W |
|---|---|
| component | Drain Pump |
| resistance | 10-20 ohms |
| part_number | Beko 1742000100 |
| voltage_rating | 240V AC |
Common Questions
What does i20 error mean on beko dishwasher?
The i20 error indicates a drainage issue, often leaving standing water and causing unusual sounds.
Can I fix beko dishwasher i20 error myself?
Yes, you can check and clean the filter, drain hose, and ensure no obstructions are present.
How much does it cost to fix i20 error?
The estimated repair cost ranges from ¥8,000 to ¥25,000, depending on parts and labor.
When should I call a technician for i20?
Call a technician if standing water persists, the drain pump shows no operation, or the error reoccurs after checks.
Sources & References
Data last verified: 2026-07-25
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