Miele Repair

Miele F Fault Codes Explained

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Completed repairs include a 180-day repair warranty. Written terms are provided with the repair.

A Miele appliance that shows an F followed by a number is telling you exactly which system reported a fault. F11 and F70 point at water and drainage on a dishwasher, F14 at the water inlet, and ovens and refrigeration carry their own F numbers. This guide translates the common ones and shows you which you can clear and which need a technician.

Published February 2026 · 8 min read

Provide the Appliance Model, Symptoms, Service Address, and Access Details. Appointment Requirements Are Confirmed Before Scheduling. Refrigeration Service Planned for the Diagnosed Scope Genuine OEM Parts Warranty Details in Writing

The short answer: the F in a Miele code stands for fault, and the number identifies the system that reported it. On dishwashers, F11 is a drainage problem, F70 is a water level or float fault, and F14 is a water inlet issue. Ovens and refrigeration use separate F numbers for sensors, heating, and control faults. Fix the simple cause behind a water or drain code and it may clear. If the same F number comes back, the failure is internal and needs service.

How Miele F Codes Work

Miele builds a running self-diagnostic into its G7000 dishwashers, Generation ovens, and MasterCool refrigeration. When a sensor or circuit reports a value outside its normal range, the control shows an F and a number that maps to that specific system. The value of the code is that it tells you where to look, water, drain, heat, or control, rather than what part has failed. Two dishwashers showing F11 can need different repairs: one a cleaned filter, the other a new drain pump. So treat the F number as a starting point, not a diagnosis.

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Common Miele F Codes at a Glance

Code	Appliance	What It Usually Means
F11	Dishwasher	Water is not draining, usually a clogged filter, blocked drain hose, or a drain pump fault
F70	Dishwasher	Water level or float fault, the machine cannot confirm the correct amount of water
F14	Dishwasher	Water inlet problem, a closed supply valve, kinked fill hose, or a faulty inlet valve
F-code, oven	Oven	Temperature sensor, heating circuit, or control fault reported on a Generation oven
F-code, refrigeration	MasterCool	Sensor or control fault affecting cooling or the display on a column fridge or freezer

F11 and F70: the Water and Drain Codes

These two are the F codes we see most on Miele dishwashers, and both start in the water circuit. F11 means water is not leaving the tub. The first checks are the fine and coarse filters at the base of the tub, the drain hose behind the machine for a kink or sag, and the sink drain connection. F70 is a water level or float fault, where the machine cannot confirm it has drawn the right amount of water, sometimes because of a leak into the base that has floated the safety switch. Clearing a filter or a drain path often resolves F11. F70 more often points at the level sensor, the float, or a base leak, which is a technician's diagnosis.

F14 and the Water Inlet

F14 flags a problem getting water into the machine in the first place. The straightforward causes are a shut or partly closed supply valve under the sink and a kinked or clogged fill hose. The mesh inlet screen where the hose meets the machine can also silt up, especially on older plumbing. Check the valve is fully open and the hose runs clean and straight. If water is arriving normally and F14 persists, the inlet valve itself has likely failed and needs replacement.

Water Codes Mean the Machine Stopped Itself

A Miele dishwasher showing F11, F70, or F14 has usually halted mid-cycle to protect your floor and cabinetry. That is the control doing its job, not a machine gone haywire. Leave the door open, bail out any standing water before you remove the filter, and keep a shallow tray under the drain hose if you disconnect it. Once the cause is cleared, a power cycle resets the code. If it returns, stop and book service.

Cleared the filter and the F code came back? Parts needs and availability are confirmed after model-specific diagnosis. Diagnostic and travel fees, if applicable, are confirmed before the appointment and before repair approval.

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Oven and Refrigeration F Codes

Beyond the dishwasher, Miele Generation ovens use F codes for temperature sensor faults, heating-element circuits, and control-board errors, while MasterCool columns report F codes for sensor and control problems that can affect cooling or the display. These are less owner-serviceable than a dishwasher drain code, because they usually involve a failed sensor, element, or board rather than a blockage you can clear. If your oven shows an F code and will not heat correctly, or a MasterCool column throws an F code and drifts off temperature, treat it as a service call and, in the case of refrigeration, a time-sensitive one because food is at risk.

What a Technician Checks

With the F number in hand, the technician tests the specific system it points to. For a returning dishwasher F11 or F70, that means measuring the drain pump, inspecting the float and level sensor, and checking the base for a leak. For F14, the inlet valve is tested for continuity and flow. For oven and refrigeration F codes, sensors are checked against their resistance spec and control outputs are verified. Miele parts are model-specific across the G7000, Generation, and MasterCool ranges, so matching the correct Genuine OEM Components on the diagnostic visit keeps it a a diagnostic visit, with follow-up timing based on parts availability.

When to Book a Repair

Clear the simple cause first: filters and drain paths for F11, the supply and hose for F14. Book service when any F code returns after you have addressed the obvious cause, when F70 appears with water in the base, when an oven F code stops it heating correctly, or when a refrigeration F code affects cooling. Pump, valve, sensor, and control work needs proper testing. Completed repairs include a 180-day repair warranty. Written terms are provided with the repair.

Frequently Asked Questions

What Do the F Codes on a Miele Mean?

The F stands for fault, and the number that follows identifies which part or circuit reported a problem. On Miele dishwashers, F11 and F70 relate to water and drainage, and F14 to the water inlet. Ovens and refrigeration use their own F numbers for sensors, heating, and control faults. The code narrows the search to a system, but the actual repair depends on which component in that system has failed.

Can I Clear a Miele F Code Myself?

Some F codes clear once you fix a simple cause. A drainage code like F11 often resolves after you clean the filter and clear the drain path, and a water code sometimes clears once you check the supply. Turn the appliance off at the power for a minute to reset it after correcting the cause. If the same F code returns, the fault is internal, in a pump, valve, sensor, or the control, and needs a technician.

Is It Safe to Keep Using a Miele Appliance Showing an F Code?

It depends on the code. A dishwasher showing a water or drain fault has usually stopped itself to prevent a leak, so leave it off until the cause is cleared. A refrigeration F code that affects cooling is time-sensitive because food is at risk. For any heating or electrical F code on an oven, stop using the appliance and book service rather than running it with an unresolved fault.

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