Oven
F10
The F10 error code on a Miele oven indicates a fault with the appliance’s temperature sensor (NTC sensor), meaning your oven cannot reliably monitor or regulate its internal temperature. While this sounds alarming, it’s one of the more common Miele oven faults and is often fixable without replacing the whole appliance. In this guide, you’ll learn exactly what triggers F10, what you can safely check yourself, when to call a professional, and what a repair is likely to cost in the UK.
What does this error mean?
F10 is Miele’s fault code for a temperature sensor error, specifically relating to the NTC (Negative Temperature Coefficient) thermistor inside the oven cavity. The NTC sensor is a small probe that continuously measures the temperature inside your oven and feeds that data back to the control board. When the board detects that the sensor’s resistance reading is outside the expected range — either because the sensor has failed, the wiring has broken down, or the connection has come loose — it throws the F10 code and shuts down or restricts the oven’s heating function as a safety precaution. In simple terms: your oven’s thermometer is broken or not communicating properly, so the oven refuses to operate normally to prevent overheating or underheating your food (and more importantly, to protect the appliance itself).
Est. repair cost
£100–£180 for a professional NTC sensor replacement (parts + labour); £200–£400 if the control board (PCB) is at fault. DIY sensor part only: £15–£45.
🔍 Likely causes
🛠️ Step-by-step fix
Step 1 – Power cycle the oven: Turn the oven off at the wall socket or switch it off at the fuse spur, wait a full 5 minutes, then switch it back on. A temporary software glitch or a one-off sensor misread can occasionally trigger F10, and a hard reset clears it. If the error disappears and doesn’t return, monitor the oven over the next few uses.
Step 2 – Check your fuse board: Go to your consumer unit (fuse box) and confirm the circuit breaker for your oven hasn’t tripped. A partial power fault can cause unusual error codes. Reset it if tripped, then retry the oven.
Step 3 – Consult your Miele manual or the Miele UK website: Locate your specific model number (found on the rating plate inside the oven door frame) and check whether Miele’s documentation lists any model-specific reset procedure for F10. Some Miele models allow a fault reset by holding the ‘Start’ or ‘OK’ button for several seconds — your manual will confirm this.
Step 4 – Visually inspect the oven cavity for obvious damage: With the oven cold and unplugged from the mains, open the oven door and look inside the cavity for any visible probe or sensor (it typically looks like a small metal pin or rod protruding from the back or side wall). Check for any obvious scorching, physical damage, or detached components around it. Do not touch internal wiring at this stage.
Step 5 – Contact Miele UK directly before going further: Call Miele’s UK customer service line (0330 160 6600) or use their online chat. Give them your full model number and the F10 code. Miele has an excellent UK support network, and they can often diagnose the likely cause remotely, advise on whether it’s covered under any extended warranty, and book a Miele-trained engineer if needed. This step can save you money and time.
Step 6 – Do NOT attempt to open the back panel or disconnect internal wiring yourself: The NTC sensor and its wiring harness are located inside the oven’s internal casing. Accessing them requires removing the oven from its housing, removing rear or side panels, and working around live or recently energised electrical components. This is NOT a safe DIY task for a homeowner. Incorrect reassembly can create a fire or electrocution risk. Stop here and arrange a professional repair.
Step 7 – If you are a confident DIYer with electrical experience (advanced only): The NTC sensor part for most Miele oven ranges is available from UK suppliers such as Espares, 4ourhouse, or directly from Miele (part numbers vary by model — search your model number + ‘NTC sensor’). Genuine Miele NTC sensors typically cost £15–£45. Fitting requires the oven to be fully isolated from the mains, the unit removed from its cavity, and the sensor connector located and swapped. Only attempt this if you are fully confident working with domestic appliance electrics and understand how to safely isolate the appliance.
📞 When to call a professional
You should call a professional engineer if: the error returns after a power cycle reset; you can see visible damage to the sensor or wiring inside the cavity; or you’re not comfortable going beyond the basic checks above. Because the F10 fix almost always involves accessing the oven’s internal electrical components, the majority of homeowners should book a qualified appliance engineer. When you call, tell them: ‘My Miele oven is displaying error code F10, which I understand relates to the NTC temperature sensor. I’ve already tried a hard reset and the fault has returned.’ This helps the engineer bring the right parts and diagnose quickly. Look for engineers who specialise in Miele or premium European appliances — Miele’s own service team is an excellent first call (0330 160 6600), or find an independent Miele-approved engineer via the Miele UK website. Independent engineers are often cheaper for labour but may use non-genuine parts; weigh this up carefully on a premium appliance like Miele.
⚖️ Repair or replace?
Miele ovens are premium appliances with an expected lifespan of 15–20 years, and spare parts remain available for most models for well over a decade. If your oven is under 10 years old, repair is almost always the right call. The NTC sensor itself is inexpensive (£15–£45 for a genuine Miele part), and even with labour, a professional sensor replacement should cost £100–£180 all in — a fraction of what a new Miele oven costs (typically £700–£2,500+ depending on the model). If the fault turns out to be a failed control board (PCB), costs rise significantly — expect £200–£400 including labour. At that price point, if your oven is already 12–15 years old, it’s worth getting a written quote before proceeding and comparing it against entry-level Miele replacements. For ovens under 5 years old, also check whether you still have Miele’s standard 2-year warranty or any extended cover — F10 faults on relatively new appliances may be covered.