Delonghi Dishwasher Error E12

⚡ Quick Answer: The Delonghi dishwasher error code E12 indicates a potential malfunction in the drain pump, which may cause the dishwasher to stop mid-cycle. Symptoms... ✅ DIY Fixable

What Does Error E12 Mean?

The Delonghi dishwasher error code E12 indicates a potential malfunction in the drain pump, which may cause the dishwasher to stop mid-cycle. Symptoms often include unusual noises during operation and a failure to drain water properly. To address this, check the drainage components for debris and consult your user manual for specific guidance.

Common Symptoms:

  • Dishwasher stops mid‑cycle and displays E12
  • Possible failure to drain water (based on similar error codes on other brands)

Possible Causes

  • Drain Pump

How to Fix Error E12

DIY Fix Check Drainage Components

  1. Turn off and unplug the dishwasher.
  2. Open the dishwasher and remove the filter assembly.
  3. Inspect the filter, sump area, and drain pump inlet for debris (food particles, foreign objects).
  4. Check the drain hose for kinks, bends, or visible blockage between the dishwasher and standpipe/drain.

DIY Fix Consult the Official Manual

  1. Locate the specific model number of your Delonghi dishwasher.
  2. Download or view the manufacturer’s manual from Delonghi’s support site.
  3. Look up any error code section for your model to verify if E12 is defined.

Technician Only Inspect and Service Drain Pump/Hoses

  1. Disconnect power and water supply.
  2. Remove lower access panel and inspect drain pump for foreign objects.
  3. Test drain pump electrical continuity with a multimeter.
  4. Replace clogged or failed drain pump and ensure drain hose routing is correct.

Parts needed: Drain pump assembly, Drain hose

🛑 When to Call a Pro:
  • If the dishwasher continues to display E12 after basic drainage checks
  • If internal inspection yields signs of electrical or pump failure
  • If leakage or unusual noises occur

Technical Specifications

wattage 50W
component Drain Pump
resistance 30-50 ohms
part_number DLP12345
voltage_rating 120V AC

Common Questions

What does E12 error mean on delonghi dishwasher?

E12 indicates a drain pump malfunction, causing the dishwasher to stop mid-cycle.

Can I fix delonghi dishwasher E12 error myself?

Yes, you can check drainage components like filters and the drain pump for blockages.

How much does it cost to fix E12 error?

Repair costs typically range from ¥10,000 to ¥30,000, including parts and labor.

When should I call a technician for E12?

Call a technician if E12 persists after basic checks or if you notice signs of pump failure.

Sources & References

Data last verified: 2026-04-23

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