Technical Information
55
T 80xx
3.15 F66 - Air Leakage
Symptom:
This fault occurs in the normal operating mode.
“Filter/Vent” LED lights up.
Program stop.
Cooldown.
Buzzer intermittently for 2 minutes.
Cause:
Air paths are clogged.
Insufficient-air detection; refer to Section 090-2.7.
Remedy:
1. Vented and condenser dryers: Clean the air paths.
2. Clean and dry the door lint filter.
3. Vented dryers only: Clean the vent grille.
4. Condenser dryers only: Clean and dry the fill-ring lint filter.
5. Condenser dryers only: Clean the heat exchanger.
Note:
To delete this fault indication, disconnect the dryer from power.
3.16 Laundry is Overdried/F55 (Overriding Time Limit Exceeded)
Symptom:
Very long operating time.
F55 is stored in the fault memory.
Cause:
Short circuit at drum contact strip. A metal bracket of the drum contact strip is
touching the drum casing and has caused a short circuit. Therefore, the
electronics are detecting moisture, even though the laundry is already dry.
Remedy:
1. Insulate the bracket from the drum casing:
2. Place an insulating sleeve (mat. no. 07244210) around the bracket.
Note:
In order to clear this fault message, open and close the door with the
appliance switched on.
3.17 Appliance Not Functioning/Wrong Version Detected
Symptom:
Although the appliance is a condenser dryer, a vented dryer is recognized.
“Vented” is displayed in the MDU.
In service mode the buzzer buzzes continuously for the “vented” version.
Cause:
Moisture in the area of the condensate pump. Moisture in the reed switch (on
or in the plug) will cause contact resistance, so that the condensate pump is
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