Miele Dishwasher Error F09

⚡ Quick Answer: The Miele dishwasher error F09 indicates a potential failure in the automatic mains frequency detection, which may prevent the appliance from starting... ✅ DIY Fixable

What Does Error F09 Mean?

The Miele dishwasher error F09 indicates a potential failure in the automatic mains frequency detection, which may prevent the appliance from starting or completing its cycle. This issue can arise due to power supply irregularities. If your dishwasher displays the F09 error, it may not drain properly, leading to unusual sounds or total failure to operate.

Common Symptoms:

  • Dishwasher displays F09 on control panel (commercial/community reference)
  • Unit may not start or proceed with cycle if frequency detection fails (community reference)

Possible Causes

  • Failed automatic mains frequency detection (commercial/community context) (low)

How to Fix Error F09

DIY Fix Check power and restart dishwasher

  1. Ensure the dishwasher is connected to a stable mains power supply.
  2. Switch off the dishwasher at the mains or wall outlet.
  3. Wait 1–2 minutes, then switch it back on and attempt to start a wash cycle.
  4. Turn the on/off switch quickly without hesitation to allow electronics to initialize properly.

Technician Only Inspect electrical input and control electronics

  1. Measure mains supply frequency and voltage stability at dishwasher connection point.
  2. Verify correct operation of frequency detection circuitry within control board.
  3. Inspect for any power surge damage, faulty mains filter, or control board anomalies.

Parts needed: Multimeter/oscilloscope (for frequency and voltage check), Dishwasher control electronic board (if replacement needed), Mains power filter or surge suppressor (if applicable)

🛑 When to Call a Pro:
  • If F09 persists after power cycling and proper mains supply checks
  • If other symptoms occur such as unusual noises, burning smell, or total failure to power on
  • If the dishwasher is under warranty (contact Miele support)

Technical Specifications

wattage 30W
component Drain Pump
resistance 10-20 ohms
part_number Miele 6260010
voltage_rating 230V AC

Common Questions

What does F09 error mean on Miele dishwasher?

F09 indicates a failure in automatic mains frequency detection, preventing operation.

Can I fix Miele dishwasher F09 error myself?

Yes, try power cycling the dishwasher by switching it off for 1-2 minutes and then back on.

How much does it cost to fix F09 error?

Repair costs typically range from €100 to €400+, depending on parts and labor.

When should I call a technician for F09?

Call a technician if F09 persists after power cycling, or if you notice unusual noises or smells.

Data last verified: 2026-02-11

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