Miele · Dishwasher error code

F18Flow meter fault

Cross-checked Power off, standard tools

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Related diagnostic guides

Guide · Dishwasher

Dishwasher not filling

Confirm supply and hose first, then inlet screen and valve, then float/flow sensing and door latch.

4 steps ~45 minmoderate

Guide · Dishwasher

Rinse aid not dispensing

Check the setting and the cap first. Some models also have a rinse aid sensor that can report a fault.

3 steps ~20 mineasy

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F11

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F12 / F13

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F14

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F24

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F52

Drain pump electrical fault

Single source

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F70

Water in base pan (float switch)

Cross-checked