Technika Dishwasher Error i20

⚡ Quick Answer: The Technika dishwasher i20 error indicates a drainage issue, typically caused by a clogged filter, obstructed drain hose, or a malfunctioning drain p... ✅ DIY Fixable

What Does Error i20 Mean?

The Technika dishwasher i20 error indicates a drainage issue, typically caused by a clogged filter, obstructed drain hose, or a malfunctioning drain pump. Symptoms include the dishwasher stopping mid-cycle, standing water after a wash, and a flashing display. To resolve this, check and clean the filters and inspect the drain hose for any blockages or kinks.

Common Symptoms:

  • Dishwasher stops mid‑cycle and displays i20
  • Standing water or incomplete draining after a wash
  • Cycle does not progress or resets due to detected water remaining
  • Possible beeps/flashing light pattern indicating drain fault

Possible Causes

  • Clogged or obstructed internal filter or sump (medium)
  • Blocked, kinked or improperly installed drain hose (medium)
  • Faulty or jammed drain pump or impeller (medium)

How to Fix Error i20

DIY Fix Check and clean filters

  1. Turn off and disconnect power to the dishwasher.
  2. Open the door and remove the lower rack to access the filter area.
  3. Remove the filter assembly and rinse under warm running water.
  4. Clear any debris and reassemble the filters.
  5. Run a short cycle to test if the error repeats.

DIY Fix Inspect drain hose for kinks and blockages

  1. Locate the drain hose usually connected under the sink or to a disposal.
  2. Check that it isn’t bent, twisted, or clogged.
  3. Clear minor blockages by detaching and flushing with water if comfortable doing so.
  4. Reinstall properly ensuring correct routing height as per installation instructions.

Technician Only Inspect and service drain pump and internal plumbing

  1. Disconnect dishwasher from power and water supplies.
  2. Remove access panels to reach the drain pump and sump area.
  3. Check and clear any debris around the impeller and verify pump function.
  4. Replace the drain pump assembly if defective.
  5. Test dishwasher through a full cycle after repair.

Parts needed: drain pump assembly, hose clamps or replacement hose if damaged

🛑 When to Call a Pro:
  • If water remains standing after clearing visible blockages
  • If the error persists despite cleaning filters and checking hoses
  • If the drain pump does not activate or makes unusual noise

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.

Check during diagnosis

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.

Find a part that fits my model

Verify the complete model and part number on the retailer's compatibility page before ordering.

Also check
RepairClinic

Other parts options

Check related components first; use model search as a fallback.

Model number required

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.

Find a part that fits my model

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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.

Maintenance supply

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.

View maintenance supply
Maintenance supply

Braided Dishwasher Inlet Hose

For replacement of an externally damaged supply hose. Verify connection size, length, and appliance installation requirements before ordering.

View maintenance supply

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 Technika dishwasher?

The i20 error indicates a drainage problem, often due to clogged filters or a blocked drain hose.

Can I fix Technika dishwasher i20 error myself?

Yes, you can check and clean the filters and inspect the drain hose for blockages.

How much does it cost to fix i20 error?

Repair costs range from 100 to 300 USD, depending on parts and labor.

When should I call a technician for i20?

Call a technician if water remains after cleaning or if the error persists despite your efforts.

Sources & References

Data last verified: 2026-07-31

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