Bosch WTH8300AU User Manual And Installation Instructiions page 38

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.
38
Cause and troubleshooting
→ "Starting the programme", Page 27.
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.
▶
The base unit's filter is soiled.
→ "Cleaning the filter system on the base unit",
▶
Page 29
Fluff filter is soiled.
→ "Cleaning the fluff filter", Page 28
▶
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.
→ "Opening the base unit", Page 32.
1.
Clean the heat exchanger.
2.
→ "Cleaning the base unit", Page 33
→ "Closing the base unit", Page 34.
3.
Appliance is not correctly aligned.
Aligning the appliance
▶
The seal for the heat exchanger cover is dirty.
Clean the seal for the heat exchanger cover.
▶
→ "Cleaning the filter system on the base unit",
Page 29
Water drain hose is not connected correctly.