Blomberg Dishwasher Error E3

⚡ Quick Answer: The Blomberg Dishwasher E3 error indicates a water heating fault, where the dishwasher fails to heat water to the required temperature during wash cyc... ⚠️ Difficulty Varies

What Does Error E3 Mean?

The Blomberg Dishwasher E3 error indicates a water heating fault, where the dishwasher fails to heat water to the required temperature during wash cycles. This can cause the machine to stop mid-cycle and result in poor cleaning performance. Common causes include a faulty heating element, malfunctioning temperature sensor, or wiring issues related to the heating circuit.

Common Symptoms:

  • Dishwasher stops mid‑cycle with the E3 code displayed
  • Wash cycles do not heat water properly or do not complete
  • Poor cleaning performance due to insufficient water temperature

Possible Causes

  • Faulty heating element (medium)
  • Malfunctioning temperature sensor or thermostat (medium)
  • Wiring or connection issue related to heating circuit (low)

How to Fix Error E3

DIY Fix Basic checks and reset

  1. Turn off and unplug the dishwasher from the power supply.
  2. Wait 5 minutes, then reconnect power to reset the control system.
  3. Ensure the dishwasher is level and that no internal filters are clogged.

Technician Only Inspect and test heating system

  1. Turn off all power and water to the dishwasher.
  2. Access and visually inspect the heating element for visible damage.
  3. Use a multimeter to test the heating element for continuity.
  4. Test the temperature sensor/thermostat for correct resistance values.
  5. Inspect wiring and connectors between the heating element, sensor, and control board.

Parts needed: Heating element, Temperature sensor or thermostat, Wiring and connectors

🛑 When to Call a Pro:
  • If the E3 code persists after a basic reset and cleaning filters.
  • If testing shows open or shorted heating element or sensor components.
  • If wiring or control board issues are suspected.

Technical Specifications

wattage 50W
component Drain Pump
resistance 5-15 ohms
part_number BLM-12345
voltage_rating 120V AC

Common Questions

What does E3 error mean on Blomberg Dishwasher?

E3 indicates a water heating fault, causing mid-cycle stoppage and poor cleaning.

Can I fix Blomberg Dishwasher E3 error myself?

Yes, you can try resetting the dishwasher and checking for clogs or level issues.

How much does it cost to fix E3 error?

Repair costs range from ¥8,000 to ¥30,000+, depending on parts and labor.

When should I call a technician for E3?

Call a technician if the error persists after a reset or if you suspect parts failure.

Sources & References

Data last verified: 2026-03-25

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