Smeg Dishwasher Error E18

⚡ Quick Answer: The Smeg Dishwasher E18 error indicates a low water fill issue, often causing the machine to fail to start or stop shortly after beginning a wash cycl... ✅ DIY Fixable

What Does Error E18 Mean?

The Smeg Dishwasher E18 error indicates a low water fill issue, often causing the machine to fail to start or stop shortly after beginning a wash cycle. This error may also be accompanied by unusual sounds. Possible causes include insufficient water entry due to a partially closed inlet valve, kinks in the inlet hose, or flow meter irregularities. Addressing these issues can usually resolve the error and restore functionality.

Common Symptoms:

  • Dishwasher displays E18 when starting or during fill
  • Dishwasher fails to fill with adequate water
  • Wash cycle may not start or stops shortly after starting

Possible Causes

  • Insufficient water entry into dishwasher (medium)
  • Partially closed or restrictive inlet water supply (medium)
  • Flow meter / water intake measurement irregularity (medium)

How to Fix Error E18

DIY Fix Check water supply and inlet hose

  1. Ensure the household water supply valve feeding the dishwasher is fully open.
  2. Inspect the inlet hose for kinks, sharp bends, or visible compression.
  3. Check and clean any small mesh filter present at the hose end or aqua‑stop connection.
  4. Restart the dishwasher to see if E18 clears.

Technician Only Inspect and test flow meter / pressure switch

  1. Disconnect power and water before removing access panels.
  2. Locate the flow meter and pressure switch assembly in the water inlet system.
  3. Inspect for debris, scale, or restrictions affecting flow sensing.
  4. Test or calibrate the flow meter and pressure switch according to manufacturer specifications.
  5. Replace components if miscalibration or mechanical failure is confirmed.

Parts needed: Flow meter, Pressure switch, Inlet water hose/filter assembly

🛑 When to Call a Pro:
  • Error persists after checking water supply and inlet components
  • Signs of internal leakage or electrical issues when accessing panels
  • Uncertainty in testing flow‑sensing components

Technical Specifications

wattage 30W
component Drain Pump
resistance 10-20 ohms
part_number Smeg 611210000
voltage_rating 230V AC

Common Questions

What does E18 error mean on Smeg Dishwasher?

E18 error means the dishwasher is experiencing low water fill, preventing it from starting or completing cycles.

Can I fix Smeg Dishwasher E18 error myself?

Yes, check the water supply valve, inspect the inlet hose for kinks, and clean the mesh filter to resolve the issue.

How much does it cost to fix E18 error?

Repair costs for the E18 error range from ¥5,000 to ¥20,000 for parts, depending on the region and supplier.

When should I call a technician for E18?

Call a technician if the error persists after checking the water supply, or if you notice leaks or electrical issues.

Data last verified: 2026-03-09

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