Miele T 980x - F4: Drying Air NTC (1 R30) Open Circuit; F50: Motor Stalls and Heater Is on for 3 Seconds; F55: Overriding Time Limit Exceeded

Technical Information
57
T 980x/T 982x
3.11 F4: Drying Air NTC (1R30) Open Circuit
Symptom:
Program stop, cooling phase, intermittent buzzer tone.
Only the timed program “cold air” still works.
The “Hand iron” LED flashes.
The “Check Filter/Vent” LED flashes.
Opening and closing the door deletes this fault indication.
Cause:
Open circuit (below 5°F) in the drying air NTC (1R30).
Remedy:
Check the wires and connectors of drying air NTC 1R30 for a short or open circuit.
For drying air NTC resistance values, refer to Table 030-3.
3.12 F50: Motor Stalls and Heater Is On for 3 Seconds
Symptom:
The motor (M5) stalls.
Program stop, cooling phase, intermittent buzzer tone.
Opening and closing the door deletes this fault indication.
Cause:
This is an internal electronic fault.
Remedy:
1. Check the motor.
2. Replace the electronic.
3.13 F55: Overriding Time Limit Exceeded
Symptom:
Only in residual moisture programs.
Program stop, cooling phase, intermittent buzzer tone for 2 minutes.
The “End” LED lights up steadily.
The “Check Filter/Vent” LED lights up steadily.
Opening and closing the door deletes this fault indication.
The safety time has been exceeded; refer to Section 090-2.6.
Cause:
Laundry too wet, or dryer overloaded.
Remedy:
Spin the laundry more thoroughly in the washer, or reduce the laundry load.
Cause:
Laundry is electrically conductive (low-ohmic), due to a metal zipper, for example.
Remedy:
Run a timed warm-air program.
Cause:
Air path clogged.
Remedy:
Check and clean the air paths.