Error code
Miele dishwasher error code F18
Miele dishwasher error code F18: the manufacturer publishes this for water intake valve failed. What the code covers, what to check before you book, and why the same token means something else on another Miele machine.
- From $95 diagnostic, credited to the repair
- 59 cities and neighborhoods covered
- OEM parts available on order
- In writing the price, before anything is opened
What we can confirm
Code F18, from the manufacturer's own documentation
A code is only meaningful together with the machine showing it — the same digits mean different things on different equipment.
The code
F18
The manufacturer publishes this for water intake valve failed
or call (305) 518-1594
What it narrows down to
Water intake valve failed
Diagnostic
From $95, credited to the repair
On the same appliance
What else belongs to the dishwashers
On this make a code belongs to the appliance rather than to a product line. These are the other conditions this machine can display, and the models that can show this one — a display often has more than one thing to say, and the model number decides what any of it costs to put right.
Other codes this appliance can display
Water/heating temperature sensor short-circuited
Water/heating temperature sensor open-circuited
The non-return valve is incorrectly positioned in the dishwasher
The circulation pump is blocked
The flow meter (impeller counter) is failed
Heating relay contact condition
Desired temperature condition
Boiling protection
Door lock does not open
The same digits mean different things on different equipment. Search the full code list
In more detail
About Miele dishwasher error code F18
What Miele publishes for it
On a Miele dishwasher, the manufacturer publishes this for water intake valve failed. That sentence is Miele's own, read off its published support page for this condition rather than worked out from the outside. Everything below it — what the condition covers and what is worth doing first — is ours, written from what this equipment does in Miami kitchens.
What this block of conditions is about
The largest block in this archive, and the one with the most conditions an owner can clear without a visit — the water side of a Miele dishwasher reports itself in detail, and several of these numbers mean a filter, a hose or a tap rather than a part.
What it covers
What a published cause names is a circuit rather than a component, which is the single most useful thing to know before anybody orders a part. This one covers:
- Water intake valve failed.
Worth knowing before you call
Miele publishes no owner step against this one, and neither do we. It is a condition for a technician rather than for the person standing in front of it, which is the honest reading of a code with nothing an owner can act on. Have the model and serial number ready and it becomes a short conversation rather than a long one.
What a visit does first
The water path is proved end to end before a part is named: supply pressure at the tap, the inlet filter, the valve, then the sensing that tells the machine what it has. On this make the sensing is a separate condition from the plumbing, and it is the cheaper of the two.
Then what
The maker files this one as a technician's job, and on a dishwasher that usually means the circulation pump, the heater circuit or the board that watches them. It is worth booking rather than waiting: a Miele dishwasher that keeps stopping mid-cycle is sitting with water in it, and standing water in a South Florida kitchen becomes an odor problem within days of becoming an electrical one.
Miele publishes this one for the dishwashers. The full Miele archive has the other conditions, searchable, and on this make the same number appears on more than one machine roughly a third of the time, so the appliance above is part of the answer. We repair this equipment across Miami-Dade, Broward and Palm Beach.
This article is based on:
- Official manufacturer documentation
- Internal repair procedures
- Technician repair history
- Company quality standards