F19

Miele Hot Water / Steam Temperature Control Fault

Display shows F19; hot water or steam temperature fault

Safety Warning

This repair may involve working with high voltage components or water connections. Always unplug the appliance before removing any panels.

If you are not confident in your ability to perform this repair safely, we strongly recommend contacting a professional technician.

Possible Causes

Scaled hot water path, faulty NTC sensor on hot water circuit, failing heater relay, low water flow

How to Fix / Troubleshooting

Safety first: Disconnect power and allow the machine to cool.

User-level steps:

Descale the machine thoroughly using Miele descaling tablets.
Ensure the water tank is clean and filled with fresh water.

Technical inspection:

Check the NTC sensor on the hot water/steam circuit and its wiring.
Measure sensor resistance and compare to specifications.
Inspect the heater relay on the control board for signs of overheating or damage.

Resolution:

Replace a defective NTC sensor or heater relay as needed.
If components test good but F19 persists, the control board may require replacement by a technician.

Repair Difficulty

Hard 4/5

Required Part

Hot Water / Steam NTC Sensor

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