Delonghi Dishwasher Error E3

⚡ Quick Answer: The E3 error code on your De'Longhi dishwasher indicates a heating issue, typically due to the heating element or temperature sensor malfunctioning. T... ✅ DIY Fixable

What Does Error E3 Mean?

The E3 error code on your De'Longhi dishwasher indicates a heating issue, typically due to the heating element or temperature sensor malfunctioning. This error causes the dishwasher to stop mid-cycle, failing to heat water to the required temperature, which results in poor washing performance. You may also hear unusual sounds from the pump during this error. It's essential to address this issue promptly to ensure your dishwasher operates efficiently.

Common Symptoms:

  • Dishwasher displays E3 on control panel and stops cycle before completion
  • Water does not reach expected temperature during wash
  • Poor washing performance potentially observed when code appears

Possible Causes

  • Heating element malfunction (medium)
  • Temperature sensor malfunction (medium)
  • Control board/temperature regulation issue (low)

How to Fix Error E3

DIY Fix Basic checks and reset

  1. Turn off the dishwasher and unplug it from power or switch off at breaker.
  2. Wait a few minutes and restore power to see if the error clears (simple reset can clear transient errors).
  3. Ensure the dishwasher door is fully closed and latched before restarting.

Technician Only Inspect and test heating system

  1. Disconnect power and water supply.
  2. Access the heating element and test continuity with a multimeter to determine if it’s failed.
  3. Inspect and test the temperature sensor (thermistor/NTC) for correct resistance values as per manufacturer specs.
  4. Check wiring and connections to the control board from the heating element and sensor for corrosion or damage.
  5. Replace defective heating element or temperature sensor as needed.

Parts needed: Dishwasher heating element, Temperature sensor (NTC or equivalent), Related wiring harnesses

🛑 When to Call a Pro:
  • If the error persists after basic reset and inspection attempts
  • If there are signs of electrical faults (burnt smells, sparks)
  • If internal components tests are inconclusive or you lack tools/experience

Next step

Choose the next step for E3

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

Based on diagnostic data

Most relevant component to inspect

Heating Element

Heats the water or air inside the appliance to the required temperature.

Typical part-only price
$40 - $95
DIY difficulty
Medium
Estimated time
30-45 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.

Other components that may be involved

Check these only if your diagnosis points to them.

Possible related component

Temperature Sensor

Monitors the internal temperature to ensure correct operation and prevent overheating.

$15 - $35 · Easy · 15-30 mins

Check fit & price

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Technical Specifications

wattage 50W
component Drain Pump
resistance 10-20 ohms
part_number DeLonghi 123456789
voltage_rating 120V AC

Common Questions

What does E3 error mean on delonghi dishwasher?

E3 error indicates a heating issue, causing the cycle to stop and poor washing performance.

Can I fix delonghi dishwasher E3 error myself?

Yes, you can perform basic checks and reset the dishwasher to see if the error clears.

How much does it cost to fix E3 error?

Repair costs for E3 error range from ¥5,000 to ¥25,000+, depending on parts and service rates.

When should I call a technician for E3?

Call a technician if the error persists after a reset, or if you notice electrical faults or inconclusive component tests.

Sources & References

Data last verified: 2026-04-23

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