Bosch WTN85401ZA User Manual And Installation Instructions page 36

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en Troubleshooting
Fault
The programme does
not start.
The length of the pro-
gramme changes dur-
ing the drying cycle.
Pumping noise.
Buzzing noise.
The drying time is too
long.
Water is leaking from
the appliance.
36
Cause and troubleshooting
Deactivate childproof lock.
→ "Deactivating the childproof lock", Page 29
Start/Reload
Press Start/Reload
Door is not closed.
No programme set.
→ "Setting a programme", Page 25.
1.
→ "Starting the programme", Page 25.
2.
The programme operation is optimised electronically.
This may change the programme duration.
Not a fault – no action required.
Condensation pump active.
Not a fault – normal operating noise.
Compressor ventilation active.
Not a fault – normal operating noise.
Fluff filter is soiled.
→ "Cleaning the fluff filter", Page 26
The ambient temperature is greater than 30 °C.
Ensure that the ambient temperature is below 30
°C.
The ambient temperature is lower than 15 °C.
Ensure that the ambient temperature is above
15 °C.
Insufficient air circulation at the appliance's installation
location.
Ventilate the appliance's installation location.
The appliance's ventilation opening is blocked.
Ensure that the ventilation opening of the appliance
is kept clear.
Heat exchanger is soiled.
Opening the base unit.
1.
→ "Opening the base unit", Page 30.
Cleaning the heat exchanger.
2.
→ "Cleaning the base unit", Page 31.
Closing the base unit.
3.
→ "Closing the base unit", Page 32.
Appliance is not correctly aligned.
→ "Aligning the appliance", Page 14
Water drain hose is not connected correctly.
⁠ has not been pressed.
⁠ .

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