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

  1. Disconnect the dishwasher from power.
  2. Remove and clean the bottom filter and any mesh screens of food debris.
  3. Inspect and clear the drain hose of kinks or obstructions.
  4. Check the air gap (if installed) for any food residue.
  5. Restart the dishwasher to see if the error clears.

Technician Only Inspect and test drain pump and sensors

  1. Access internal drainage system and remove pump cover.
  2. Check for foreign objects in the drain pump and impeller.
  3. Test drain pump electrical function with appropriate tools.
  4. Inspect water level/pressure sensor for blockages or faults.

Parts needed: drain pump, pressure/water level sensor, drain hose

🛑 When to Call a Pro:
  • 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

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: 2026-01-14

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