Miele Dryer Error Code Normal LED steady

On the Miele T1576 dryer, a steady Normal LED with no other indicator active is the machine's way of flagging a specific fault stored in its memory rather than a standard operating status. This signal indicates that the NTC (Negative Temperature Coefficient) thermistor located at the heater bank has developed a short circuit condition. The NTC is a temperature-sensing resistor whose resistance drops predictably as temperature rises, allowing the control board to monitor heat output continuously. When the sensor shorts internally, its resistance collapses to near zero, sending the control board a signal that appears as an impossibly high temperature reading, which triggers the fault and stores it in memory.

The heater bank NTC plays a critical role in thermal regulation and safety. Under normal operation, the control board reads the sensor's resistance to modulate heating element cycling and prevent overheating. A shorted NTC removes the board's ability to accurately regulate temperature, which is why the machine flags this as a fault rather than continuing to operate. The fault is stored in non-volatile memory, meaning it will persist across power cycles until cleared through the service routine.

To retrieve and confirm this fault code, a technician must access Service Mode by turning the program selector to the Woolens position and pressing the Start button. This retrieves the stored fault code, confirming the NTC short circuit at the heater bank rather than another sensor or circuit fault. From there, the NTC sensor itself and its wiring harness should be inspected and tested before replacing components.