A Miele Tumble Dryer fault codes list includes:

CodeF1 / F2 – NTC heater sensor has short-circuited

Code F10 – Water intake fault. Possible inlet valve issue

Code F11 – Draining issues

Code F15 – Hot water intake issue

Code F16 – Excessive amount of detergent detected

Code F19 – Flow meter slow

Code F20 – Heater fault

Code F29 – Heater steam inactive

Code F32 – This error code appears when the door is unable to lock properly. It could be due to a faulty hinge or a malfunctioning door lock mechanism. To have this fixed, call a professional to replace the necessary parts. 

Code F39 – Electronic unit fault

Code F41 – Faulty EEPROM

Code F45 – Incorrect data

Code F46 – LCD connection defective

Code F47 – BAE / SLT interface fault

Code F50 – this is a general computer error that typically appears when you open the dryer door. Once again, it’s advisable to call in the pros.

Code F51 – Pressure sensor fault

Code F53 – Speed sensor fault

Code F55 – this is a signal that indicates an overrun time error. Use a professional to assist with this

Code F62 – Defective program selector.

Code F63 – Water path control unit error.

Code F64 – Path sensor fault.

Code F66 – This is an issue related to ventilation and a simple solution could be ensuring that the tumble dryer’s vents are not blocked. An additional step you can take here is to ensure that the lint filter is clean and not obstructed. The F66 code also applies to cases where an insufficient spin cycle has left your clothes damp. To resolve this, remove the laundry from the dryer and put them in the washer where you select a spin cycle to run them through once again. In addition to this, you may find that your dryer drum is overloaded and all you have to do is remove some of the clothing and restart the cycle of drying once more.