Apparatus and method of operating a cooling fan in a heat-pump laundry treatment apparatus

The invention relates to a method for operating a cooling fan (54) for cooling at least one heat-pump system component (14) in a heat-pump laundry treatment apparatus, in particular heat-pump system dryer or heat-pump system washer dryer, wherein a compressor (14) is adapted to circulate a refrigerant through the heat-pump system (4) during a laundry drying operation and wherein a cooling fan (54) is adapted to convey cooling air (C) over the at least one heat-pump system component (14). In case that the compressor operation is suspended, and if the cooling fan (54) is active at the time of suspending the compressor operation, the cooling fan (54) operation is maintained at the same conveyance rate (r_convey) or the conveyance rate (r_convey) of the cooling fan (54) is increased. In case that the compressor operation is suspended, and if the cooling fan (54) is not active at the time of suspending the compressor operation, the cooling fan (54) is activated for conveying cooling air (C) to the at least one heat-pump system component (14). Further the invention relates to a laundry treatment apparatus adapted to implement the method.