Miele Dishwasher Error Codes (What They Mean + Fixes)

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If your Miele dishwasher is displaying an error code, it means the appliance has detected a condition that may prevent normal operation or affect cleaning performance. This guide explains the most common Miele dishwasher error codes, what they usually mean, and safe checks you can try before calling service.

Common Miele Dishwasher Error Codes

F01 — Water Intake Error

What it usually means

  • The dishwasher is not filling with enough water.

Try this

  1. Ensure the water tap is fully open.
  2. Check the inlet hose for kinks or twisting.
  3. Restart the dishwasher.

Call service if

  • No water enters the dishwasher.

F02 — Drain Error

What it usually means

  • The dishwasher cannot drain water within the expected time.

Try this

  1. Clean the filters thoroughly.
  2. Check the drain hose for blockages.
  3. Restart and run a short cycle.

Call service if

  • Water remains in the base after cleaning.

F11 — Drain Pump Fault

What it usually means

  • A problem has been detected with the drain pump.

Try this

  1. Turn off power for 5 minutes.
  2. Restart the dishwasher.

Call service if

  • The dishwasher will not drain at all.

F12 — Water Intake System Fault

What it usually means

  • The water intake system is not operating correctly.

Try this

  1. Check water pressure.
  2. Inspect the inlet hose connection.

Call service if

  • The error appears repeatedly.

F13 — Water Intake Timeout

What it usually means

  • The dishwasher is taking too long to fill.

Try this

  1. Ensure water supply pressure is adequate.
  2. Restart the dishwasher.

Call service if

  • The dishwasher stops during filling.

F14 — Heater Relay Error

What it usually means

  • A fault has been detected in the heating control circuit.

Try this

  1. Restart the dishwasher.
  2. Run a normal (non-Eco) cycle once.

Call service if

  • Dishes remain cold after multiple cycles.

F15 — Water Heating Error

What it usually means

  • The dishwasher is not heating water as expected.

Try this

  1. Clean filters to improve water circulation.
  2. Restart the cycle.

Call service if

  • The error repeats.

F18 — Water Flow Sensor Error

What it usually means

  • The dishwasher cannot correctly measure water flow.

Try this

  1. Ensure filters are clean and seated properly.
  2. Avoid excess detergent.

Call service if

  • The error appears on multiple programs.

F24 — Heater Relay Stuck

What it usually means

  • The heater relay may be stuck or malfunctioning.

Try this

  1. Turn power off for 5 minutes.
  2. Restart the dishwasher.

Call service if

  • The error returns immediately.

F25 — Heating System Fault

What it usually means

  • A fault has been detected in the heating system.

Try this

  1. Restart the dishwasher.
  2. Run a short test cycle.

Call service if

  • The dishwasher stops mid-cycle.

F26 — Heater Circuit Error

What it usually means

  • The heating circuit is not operating normally.

Try this

  1. Restart after turning power off.

Call service if

  • The error repeats.

F70 — Leak Detected

What it usually means

  • Water has been detected in the base tray.

Try this

  1. Turn the dishwasher off at the power.
  2. Check for visible leaks.
  3. Allow the base to dry before restarting once.

Call service if

  • The error returns or leaking is visible.

F78 — Circulation Pump Error

What it usually means

  • The circulation pump is not operating correctly.

Try this

  1. Ensure spray arms can rotate freely.
  2. Restart the dishwasher.

Call service if

  • The dishwasher stops early or makes unusual noises.

How to Clear a Miele Dishwasher Error Code

  1. Turn the dishwasher off.
  2. Switch off power at the wall for 5 minutes.
  3. Restore power and start a short test cycle.

If the error returns immediately, it usually indicates an active fault.

When to Call Service

  • Leak-related errors (F70)
  • Repeated drain or fill errors after cleaning
  • Heating errors that persist across cycles
  • Motor or control faults

FAQ

Can detergent cause Miele dishwasher error codes?

Yes. Excess detergent can create foam that interferes with drainage and sensors.

Do Miele dishwasher error codes vary by model?

Yes. Codes can vary slightly by model and year, but the meanings above apply to most modern Miele dishwashers.

Is it safe to keep resetting the dishwasher?

Occasional resets are fine, but repeated resets without fixing the cause are not recommended.