Bosch WQB254D10W User Manual And Installation Instructions page 50

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en Troubleshooting
Fault
Condensation in the
condensation tank
even though the water
drain hose is connec-
ted.
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.
50
Cause and troubleshooting
The appliance uses condensation for the automatic
self-cleaning.
Not a fault – no action required.
Water drain hose is not connected correctly.
Ensure that the water drain hose is connected cor-
rectly.
→ "Connecting the water drain hose", Page 14
Childproof lock is activated.
→ "Deactivating the childproof lock", Page 34
You have not pressed 
Press
⁠   开始 / 添衣.
No programme set.
→ "Setting a programme", Page 30.
1.
→ "Starting the programme", Page 30.
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 31
The ambient temperature is greater than 30 °C.
Ensure that the ambient temperature is lower than
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.
Appliance air inlet is blocked.
Ensure that the air inlet on the appliance is kept
clear.
Heat exchanger is soiled.
→ "Running the basic appliance care programme
on the appliance", Page 39
⁠   开始 / 添衣.

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