Bosch WTA 4400 US - Manual (Page 22)

22
Troubleshooting
d DANGER d
RISK OF ELECTRICAL SHOCK!
Repairs or replacement of parts
may be carried out by authorized
technicians only.
Before calling customer service,
check the following table.
If a fault cannot be rectified or
a repair is required:
1. Set program selector to Off".
2. Turn off the circuit breaker.
3. Unplug the unit.
4. Call customer service
(see page 23).
Problem Possible cause Remedial action
Dryer does not start. Main plug not inserted at all or not inserted correctly. Insert main plug correctly. Dryer does not start.
On indicator light does not illuminate.
A fuse of power supply has tripped. Replace/switch on fuse.
Start button not pressed. Press Start button.
No program selected. Select program.
Door not closed. Close door.
Ambient temperature below 41
°
F/5
°
C. Increase room temperature.
Dryer does not start. The selected Start
in time flashes in the display.
The selected time is not saved. Press the Start button to save the time and to start
counting down.
The door opens by itself. The locked pin is not engaged. Push the door closed until you hear the locking pin
click into place.
Program has been interrupted. Lint filter dirty. Clean filter as described on page 21.
Switch off/switch on again.
Exhaust air duct is blocked or too long. Clean exhaust air duct. Reduce exhaust air duct to
maximum length, see table on page 10.
Switch off/switch on again.
Fault in program sequence or malfunction. Switch off dryer, leave to cool down for 30 min,
switch on again.
Restart program.
The room/cabinet is not adequately ventilated. Provide an adequate supply of fresh air.
Switch off/switch on again.
Degree of drying has not been reached
or the drying time is too long. Moisture sensor dirty. Clean moisture sensor as described on page 21.
Switch off/switch on again.
or the drying time is too long.
Exhaust air duct is blocked or too long. Clean exhaust air duct. Reduce exhaust air duct to
maximum length, see table on page 10.
Switch off/switch on again.
Lint filter dirty. Clean filter as described on page 21.
Switch off/switch on again.
Laundry was too wet. Spin laundry at higher speed in the washing
machine. Switch off/switch on again.
Unsuitable program selected. Select program with aid of the program selection
table (see page 18). Switch off/switch on again.
Maximum drying time was exceeded. Clean lint filter (see page 21).
Check exhaust air extraction.
Spin laundry at a higher speed in your washer.
Motor limit temperature was exceeded. Switch off dryer, leave to cool down for 30 min.
Switch on again. Start program.