Miele Dishwasher Error F18

⚡ Quick Answer: The Miele dishwasher error F18 indicates a drainage issue, typically stemming from a defective water intake valve or a flow meter malfunction. This er... ✅ DIY Fixable

What Does Error F18 Mean?

The Miele dishwasher error F18 indicates a drainage issue, typically stemming from a defective water intake valve or a flow meter malfunction. This error often occurs when the dishwasher stops during the filling process, accompanied by a humming sound as it struggles to intake water. If F18 appears on the display, it’s crucial to check the water supply and inlet hose for any obstructions or damage.

Common Symptoms:

  • Dishwasher stops during fill or early in cycle
  • F18 appears on display when washing starts or during water intake

Possible Causes

  • Defective water intake valve (high)
  • Flow meter or related sensor failure (medium)

How to Fix Error F18

DIY Fix Basic checks before service call

  1. Ensure cold water supply valve to dishwasher is fully open
  2. Check inlet hose for kinks or visible damage
  3. Power cycle appliance (turn off for 5+ minutes and restart)

Technician Only Technician inspection and repair

  1. Diagnose and, if needed, replace the water intake valve
  2. Inspect and test flow meter sensor and wiring
  3. Verify related sensor inputs and ensure proper water flow calibration

Parts needed: water intake valve, flow meter sensor and harness

🛑 When to Call a Pro:
  • Continuous F18 persists after basic checks
  • Water isn’t entering normally
  • Any sign of water leakage

Technical Specifications

wattage 50W
component Drain Pump
resistance 30-50 ohms
part_number Miele 6111210
voltage_rating 120V AC

Common Questions

What does F18 error mean on Miele dishwasher?

F18 indicates a drainage issue, often due to a defective water intake valve or flow meter failure.

Can I fix Miele dishwasher F18 error myself?

Yes, check the cold water supply valve, inspect the inlet hose for kinks, and power cycle the appliance.

How much does it cost to fix F18 error?

The estimated repair cost ranges from $150 to $400, depending on parts and labor.

When should I call a technician for F18?

Call a technician if F18 persists after checks, water isn’t entering normally, or if there's any leakage.

Sources & References

Data last verified: 2026-02-11

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