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Miele Washing Machine Error Code F15

Reviewed by the ApplianceErrors Editorial Team · Verified against manufacturer service documentation · Last verified: June 14, 2026
⚠ Medium Severity 🔧 Easy DIY

Hot water intake fault

On hot-and-cold fill models the machine did not detect correct flow or temperature on the hot-water feed within the fill window, so the program stops with F15. A closed or restricted hot supply, a kinked hot hose, or a faulty hot inlet valve are the usual causes.

💰 DIY cost: $0–$100 👨‍🔧 Pro cost: $180–$380 Save $180+ by doing it yourself
Miele Washing Machine error code F15 on the display panel
How the F15 code appears on a Miele washing machine display

What Does Error Code F15 Mean on a Miele Washing Machine?

Hot water intake fault.

On hot-and-cold fill models the machine did not detect correct flow or temperature on the hot-water feed within the fill window, so the program stops with F15. A closed or restricted hot supply, a kinked hot hose, or a faulty hot inlet valve are the usual causes.

What Causes Error Code F15?

Here are the most common causes in order of frequency. Start with the most likely cause before moving to the next:

  1. 1
    Hot supply valve closed or restricted 40% of cases
  2. 2
    Hot inlet hose kinked 25% of cases
  3. 3
    Hot inlet valve failure 25% of cases
  4. 4
    Inlet screen blocked 10% of cases

How to Fix Miele Washing Machine Error Code F15

🔧 Easy DIY Est. time: 10–20 min
⚡ Safety first: Unplug the appliance before opening any panels or touching internal components.
  1. 1

    Open the hot tap fully

    Confirm the hot-water stopcock under the sink is fully open.

  2. 2

    Straighten/clean the hose

    Trace the hot hose for kinks and clean the mesh screen at the inlet.

  3. 3

    Replace the hot inlet valve

    If supply is good but the fault stays, the valve has failed.

    🔩 Miele inlet valve ($50–$100)

How to Reset Error Code F15

Open the hot supply, straighten the hose, switch off ~60 seconds, restart.

Note: If the error returns after resetting, the underlying issue has not been resolved. Work through the fix steps above.

Did this guide fix your appliance?

When to Call a Professional

If the hot supply is confirmed good, Miele authorized service recommended for valve replacement.

Average professional repair cost for this issue: $180–$380

Same Code on Other Brands

Error code F15 appears on these other brands too. See every brand that shows F15 →

Frigidaire logo
Frigidaire Oven F15
EOC / relay board communication loss — control fault

Find Replacement Parts

Use these links to find the exact replacement parts for your Miele Washing Machine:

🔩
Search PartSelect
Miele Washing Machine repair parts
🔧
Search RepairClinic
Step-by-step video guides

External links — ApplianceErrors.com is not affiliated with these retailers.

More Miele Washing Machine Error Codes

F11 Pump fault — water not draining F19 Drain time exceeded — slow or failed drain F16 Water protection system activated — flood protection triggered F53 Motor fault — drive motor failure F31 NTC temperature sensor fault F1 NTC temperature sensor short-circuited

Frequently Asked Questions

What does error code F15 mean on a Miele Washing Machine? +
Hot water intake fault
How do I fix error code F15 on my Miele Washing Machine? +
Start by Confirm the hot-water stopcock under the sink is fully open.. If that doesn't resolve it, work through each step in the fix guide above.
How do I clear or reset error code F15? +
Open the hot supply, straighten the hose, switch off ~60 seconds, restart.
Is error code F15 serious? +
Medium severity. The appliance may still operate but the issue should be resolved to prevent further damage.

Sources & References

Content verified against manufacturer service documentation. Last verified: June 14, 2026.

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