Dishlex Dishwasher Error i90

⚡ Quick Answer: The Dishlex dishwasher error code i90 signals a malfunction in the drain pump, which can lead to unusual noises during operation and the inability to ... ⚠️ Difficulty Varies

What Does Error i90 Mean?

The Dishlex dishwasher error code i90 signals a malfunction in the drain pump, which can lead to unusual noises during operation and the inability to drain water effectively. If you encounter this error, it may indicate issues with the control or communication components, requiring thorough inspection and potential part replacements. Basic troubleshooting steps include ensuring the door is properly closed and performing a power reset. If the problem persists, further technical evaluation is necessary.

Possible Causes

  • Drain Pump
  • Blocked Drain Hose
  • Faulty Control Board

How to Fix Error i90

DIY Fix Check for basic issues and reset

  1. Ensure the dishwasher door is fully closed and latched correctly.
  2. Disconnect the dishwasher from its power source for at least 5 minutes.
  3. Reconnect power and attempt to start a wash cycle to see if the i90 error clears.

Technician Only Inspect control and communications components

  1. Check wiring harness connections between the user interface and main control board for looseness, corrosion, or damage.
  2. Inspect the user interface board for signs of moisture or damage.
  3. If wiring and connectors appear normal, test/replace the user interface board and main control board as needed.
  4. Perform a full functional test after replacement to confirm resolution.

Parts needed: User interface board, Main control board, Wiring harness/connectors

🛑 When to Call a Pro:
  • If the error persists after power reset and basic checks.
  • If you observe water leakage, burning smells, or sparking when operating the dishwasher.
  • If you are not confident performing electrical or internal inspections.

Next step

Choose the next step for i90

Confirm the diagnosis before ordering. An error code can identify the system involved, but it does not prove that a specific part has failed.

Other parts options

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

Possible related component

Main Control Board

The central brain of the appliance that controls all components, cycles, and timings.

$120 - $280 · Medium · 20-40 mins

Check fit & price
Possible related component

Wiring Harness

Connects controls, sensors, motors, and other electrical components inside the appliance.

$20 - $120 · Medium · 30-90 mins

Check fit & price
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.

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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 i90 error mean on dishlex dishwasher?

The i90 error indicates a drain pump malfunction, often resulting in unusual noises and failure to drain water.

Can I fix dishlex dishwasher i90 error myself?

Yes, you can try basic checks like ensuring the door is closed and performing a power reset.

How much does it cost to fix i90 error?

Repair costs for the i90 error typically range from ¥10,000 to ¥40,000, depending on parts and labor.

When should I call a technician for i90?

Call a technician if the error persists after basic troubleshooting or if you notice water leakage or unusual smells.

Sources & References

Data last verified: 2026-07-31

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