Drain pump for washing machine Balay, Lynx, Bosch, Siemens, Crolls, Superser. 5500 series. Spare part for washing machine repair. You may notice that the washing machine's pump has suffered a failure when the washing machine stops draining the water or when the appliance stops during washing in an emptying phase. Also, on occasions, this fault is preceded by a strange noise when the water is emptied from the appliance.