What does the Miele F14 error code mean?
F14 is a flow meter fault. Miele dishwashers use a flow meter (water counter) to precisely measure the amount of water entering the machine. If this device fails, the machine cannot determine how much water it has taken in and will stop the fill process as a precaution.
🔍 Symptoms
- Machine fills very slowly or partially, then stops with F14
- Fill phase takes much longer than usual
- Error appears at the start of the wash cycle during filling
- Machine sometimes starts normally then fails on repeat cycles
- Intermittent F12 and F14 codes appearing together
How to fix the Miele F14 error code
- Locate the flow meter — it is typically on the inlet valve assembly or in the water feed line inside the machine.
- Check the flow meter for any debris blocking the turbine inside it.
- Test the flow meter’s electrical output — it generates a pulse signal which should be detectable with a multimeter on AC mode when water flows through it.
- Clean the flow meter or replace it if blocked or electrically dead.
- Also clean the inlet filter mesh, as a partially blocked filter reduces flow and can cause inaccurate meter readings.
Frequently Asked Questions (FAQ)
Q: What is a flow meter and why do Miele dishwashers use one?
A: A flow meter is a precision device that counts exactly how many litres of water enter the machine per cycle. Miele uses this for precise, efficient water management — it is part of why Miele machines use less water than competitors.
Q: Can limescale block a Miele flow meter?
A: Yes. The turbine inside the flow meter can become restricted by limescale in hard-water areas. A thorough descaling treatment may clear it, but a physically seized turbine requires a new flow meter.
Q: Is the F14 fault repair cost-effective on an older Miele?
A: On a machine less than 15 years old, yes — Miele machines are built to last and the flow meter is a relatively modest repair. On machines over 15–18 years old, assess other wear factors before committing to repair.
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