Bosch WTR87T90IL User Manual page 46

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.
46
Cause and troubleshooting
Childproof lock is activated.
→ "Deactivating the childproof lock", Page 38
▶
You have not pressed Start/Reload .
Press Start/Reload .
▶
No programme set.
→ "Setting a programme", Page 32.
1.
→ "Starting the programme", Page 32.
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 35
Fluff filter is soiled.
→ "Cleaning the fluff filter", Page 34
▶
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 40.
1.
Clean the heat exchanger.
2.
→ "Cleaning the base unit", Page 41
→ "Closing the base unit", Page 42.
3.
Appliance is not correctly aligned.
Aligning the appliance
▶
The seal for the heat exchanger cover is dirty.