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

Technical Specifications

wattage 50W
component Drain Pump
resistance 10-20 ohms
part_number Technika TP-12345
voltage_rating 240V AC

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: 2026-07-01

User Comments (0)

Share your experience or solution below.

Be the first to comment!