Chef Dishwasher Error E03

⚡ Quick Answer: The E03 error code on Chef dishwashers indicates a malfunction with the drain pump, which may result in the dishwasher stopping mid-cycle and failing ... ✅ DIY Fixable

What Does Error E03 Mean?

The E03 error code on Chef dishwashers indicates a malfunction with the drain pump, which may result in the dishwasher stopping mid-cycle and failing to reach the correct wash temperature. If you hear unusual noises during operation, this could further confirm the issue. It's essential to address this error promptly to ensure your dishwasher operates efficiently.

Common Symptoms:

  • Dishwasher stopping mid‑cycle with E03 displayed (generic pattern for E03 in some brands)
  • Possible failure to reach correct wash temperature (generic pattern)

Possible Causes

  • Drain Pump
  • Blocked Drain Hose
  • Faulty Control Board

How to Fix Error E03

DIY Fix Basic checks when E03 appears (generic guidance)

  1. Turn off power and restart the dishwasher to see if the code clears.
  2. Ensure water supply is on and water pressure is adequate.
  3. Check and clean inlet filters at the water connection and inside the dishwasher.
  4. Refer to your specific Chef model’s user manual for error definitions.

Technician Only Professional diagnostics for E03 (generic dishwasher guidance)

  1. Verify water inlet valve and flow to machine.
  2. Test temperature sensor / NTC and heating element if present.
  3. Inspect control board for errors related to heating circuit / sensors.

Parts needed: Temperature sensor (if fitted), Heating element / relay (if fitted), Water inlet valve

🛑 When to Call a Pro:
  • If the error persists after basic checks and restart.
  • If the dishwasher fails to fill with water or shows unusual behavior.

Technical Specifications

wattage 50W
component Drain Pump
resistance 10-30 ohms
part_number Chef DP-12345
voltage_rating 120V AC

Common Questions

What does E03 error mean on chef dishwasher?

E03 indicates a drain pump malfunction, causing the dishwasher to stop mid-cycle.

Can I fix chef dishwasher E03 error myself?

Yes, you can try restarting the dishwasher and checking the water supply and inlet filters.

How much does it cost to fix E03 error?

Repair costs range from ¥5,000 to ¥25,000, depending on the region and parts needed.

When should I call a technician for E03?

Call a technician if the error persists after basic checks or if the dishwasher fails to fill with water.

Sources & References

Data last verified: 2026-07-01

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