Miele Dishwasher Error Code F14: How to Fix It

Medium 45-90 minutes Medium Severity Verified June 2026
Error Code
F14
Brand
Miele
Product Type
dishwasher
Severity
Medium
DIY Difficulty
Medium
Estimated Fix Time
45-90 minutes
Miele dishwasher error code F14 indicates a hot water inlet fault, meaning your dishwasher isn't receiving adequate hot water supply. This error typically occurs when water temperature is below 120°F (50°C) or when there's an issue with the water inlet system.
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Tools You'll Need

How to Fix Error Code F14

  1. Check Hot Water Supply

    Be careful when testing water temperature to avoid burns.
  2. Inspect Water Supply Valves

  3. Clean the Water Inlet Screen

    Disconnect power and turn off water supply before starting this repair.
  4. Test Water Inlet Valve

    Ensure power is disconnected before testing electrical components.
  5. Check Water Temperature Sensor

  6. Reset and Test

Parts You May Need

Water inlet valve
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Temperature sensor (NTC thermistor)
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Inlet screen filter
Check Price on Amazon
Water inlet valve
Check Price on Amazon
Temperature sensor (NTC thermistor)
Check Price on Amazon
Inlet screen filter
Check Price on Amazon
Water inlet valve
Check Price on Amazon
Temperature sensor (NTC thermistor)
Check Price on Amazon
Inlet screen filter
Check Price on Amazon
Water inlet valve
Check Price on Amazon
Temperature sensor (NTC thermistor)
Check Price on Amazon
Inlet screen filter
Check Price on Amazon
Water inlet valve
Check Price on Amazon
Temperature sensor (NTC thermistor)
Check Price on Amazon
Inlet screen filter
Check Price on Amazon
Water inlet valve
Check Price on Amazon
Temperature sensor (NTC thermistor)
Check Price on Amazon
Inlet screen filter
Check Price on Amazon
Water inlet valve
Check Price on Amazon
Temperature sensor (NTC thermistor)
Check Price on Amazon
Inlet screen filter
Check Price on Amazon
Water inlet valve
Check Price on Amazon
Temperature sensor (NTC thermistor)
Check Price on Amazon
Inlet screen filter
Check Price on Amazon
Water inlet valve
Check Price on Amazon
Temperature sensor (NTC thermistor)
Check Price on Amazon
Inlet screen filter
Check Price on Amazon
Water inlet valve
Check Price on Amazon
Temperature sensor (NTC thermistor)
Check Price on Amazon
Inlet screen filter
Check Price on Amazon
Water inlet valve
Check Price on Amazon
Temperature sensor (NTC thermistor)
Check Price on Amazon
Inlet screen filter
Check Price on Amazon
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When to Call a Professional

Call a professional if the water heater needs repair, if you're uncomfortable working with electrical components, or if the error persists after replacing the water inlet valve and temperature sensor. Plumbing modifications or complex electrical diagnosis should be handled by qualified technicians.

Frequently Asked Questions

What causes Miele dishwasher F14 error code?
F14 error is caused by insufficient hot water supply, typically due to water heater issues, closed valves, clogged inlet screens, faulty water inlet valves, or defective temperature sensors.
Can I run my Miele dishwasher with F14 error?
No, the dishwasher will not operate properly with F14 error. The cycle will stop until the hot water inlet issue is resolved, as proper water temperature is essential for effective cleaning.
How do I reset F14 error on Miele dishwasher?
Press and hold the Start button for 3 seconds or turn the dishwasher off for 30 seconds, then back on. However, the error will return unless the underlying hot water supply issue is fixed.
What water temperature does Miele dishwasher need?
Miele dishwashers require water temperature between 120°F-140°F (50°C-60°C) for optimal performance. Water below 120°F will trigger the F14 error code.
How much does it cost to fix Miele F14 error?
DIY repairs cost $20-80 for parts like inlet screens or temperature sensors. Water inlet valve replacement costs $60-120. Professional service ranges from $150-300 depending on the required repair.