F4 on a Miele dryer reports an open circuit at the drying air temperature sensor. Book a repair appointment.
Model compatibility
Miele reuses codes across series and model years, so F4 may mean something different on another appliance or generation. Confirm this against your model’s documentation and record your full model number before acting.
Plain language
What thiscode means
Miele dryer code F4 indicates an open circuit at the drying air temperature sensor.
The code F4 appears. Miele uses this code for an open circuit at the drying air temperature sensor inside the machine.
At a glance
Code
F4
What it means
Miele dryer code F4 indicates an open circuit at the drying air temperature sensor.
What you can check
Record the code and dryer type and take the dryer off power. An open drying air sensor circuit is not something you can repair.
When to call a technician
Ask for a repair appointment, as the fault is technical. A technician should handle the sensor circuit, so leave the dryer off until then.
Understanding F4
Per the manufacturer, it is a technical fault that calls for a technician.
See also
Compare with F3 (a short circuit on the drying air sensor), F40 (one more module fault), F43 (a type or variant that is not programmed correctly).
Handling the fault
Record F4 and the dryer type.
Take the dryer off power.
Ask for a repair appointment, as the fault is technical.
Miele dryer repair near you
Service for Miele tumble dryers reaches the Miami, New York, Houston, Los Angeles and San Diego metro areas. For a booking call (844) 459-5005 with F4, the dryer model and what you have already done.
Do not attempt repairs involving electrical components, gas, water lines, refrigerant or sealed systems. Unplug the appliance if it is safe to reach the outlet, and leave internal diagnostics to a qualified technician.
Get started
Seeing this code on your Miele appliance?
Book a specialist Miele service visit for a clear estimate and approval before any repair. Experienced technicians, clear diagnostics, and workmanship coverage on completed repairs.